373 Automatic transmission parts are listed for the 2004 Isuzu Ascender, in 114 part types, covering both the 4.2L L6 and the 5.3L V8. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2004 Isuzu Ascender, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. Most of the listed parts are Filter (26 parts), Components (21 parts) and Clutch Plate (19 parts). The other 111 part types cover the remaining 307 parts.
The 2004 Isuzu Ascender was sold with both the 4.2L L6 and the 5.3L V8. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2004 Isuzu Ascender automatic transmission parts are GM GENUINE (144 parts), SONNAX (48 parts) and ATP (22 parts), plus 42 more brands. Quality grades include Standard Replacement, Backing Plate and Economy.
51 parts on this 2004 Isuzu Ascender page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including TRANSGO 4L6FWD (Accumulator Piston) and BORG-WARNER 27363BW (Band). Click any part number to see every vehicle that part fits.
Accumulator Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO Popular Fits: 4.2L L6 | 4L6FWD | 🇺🇸 US 🇨🇦 CA | Forward Accumulator Piston | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24200127 | 🇺🇸 US 🇨🇦 CA | Forward | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24221919 | 🇺🇸 US 🇨🇦 CA | Contains 1-2 and 3-4 Accumulator Piston and Seal Assembly | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7776401 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TRANSGO Fits: 4.2L L6 | 4L652ACM | 🇺🇸 US 🇨🇦 CA | 1-2 Accumulator Piston | View on Amazon |
This table covers the pistons inside a transmission accumulator.
5 Accumulator Piston parts are listed for the 2004 Isuzu Ascender, from TRANSGO, GM GENUINE and SONNAX. TRANSGO 4L6FWD carries the "Popular" badge.
Part numbers include TRANSGO 4L6FWD, GM GENUINE 24200127 and GM GENUINE 24221919, among others listed above.
Accumulator Piston Pin
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8684426 | 🇺🇸 US 🇨🇦 CA | 1-2 | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8628273 | 🇺🇸 US 🇨🇦 CA | 3-4 | View on Amazon |
This table covers the Accumulator Piston pins.
2 Accumulator Piston Pin parts for the 2004 Isuzu Ascender come from GM GENUINE.
This group includes GM GENUINE 8684426 and GM GENUINE 8628273.
Accumulator Piston Seal / Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24206508 | 🇺🇸 US 🇨🇦 CA | Forward | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24206509 | 🇺🇸 US 🇨🇦 CA | Fits 3-4or 1-2 | View on Amazon |
This table covers the Accumulator Piston Seal sleeves.
GM GENUINE supplies both parts for the 2004 Isuzu Ascender.
Part numbers include GM GENUINE 24206508 and GM GENUINE 24206509.
Accumulator Piston Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24219942 | 🇺🇸 US 🇨🇦 CA | 1-2, OuterGreen | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24220145 | 🇺🇸 US 🇨🇦 CA | 1-2, InnerLight Green | View on Amazon |
This table covers the Accumulator Piston springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
2 Accumulator Piston Spring parts for the 2004 Isuzu Ascender come from GM GENUINE.
Listed part numbers: GM GENUINE 24219942 and GM GENUINE 24220145.
Accumulator Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24220146 | 🇺🇸 US 🇨🇦 CA | 1-2YELLOW | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8639074 | 🇺🇸 US 🇨🇦 CA | 3-4BLUE | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24208765 | 🇺🇸 US 🇨🇦 CA | Forward | View on Amazon |
This table covers the Accumulator springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
GM GENUINE supplies the 3 Accumulator Spring parts for the 2004 Isuzu Ascender.
Part numbers include GM GENUINE 24220146, GM GENUINE 8639074 and GM GENUINE 24208765.
Actuator Feed Limit Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO Fits: 4.2L L6 | 4L60EAFLOS | 🇺🇸 US 🇨🇦 CA | Actuator Feed Limit Valve (Oversized) | View on Amazon |
This table covers the Actuator Feed Limit valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
This group shows a single part: TRANSGO 4L60EAFLOS.
Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BORG-WARNER Popular Fits: 4.2L L6 | 27363BW | 🇺🇸 US 🇨🇦 CA | High Energy FLEX-BAND® | View on Amazon |
| PA CARGO Popular Fits: 4.2L L6 | 77700A | 🇺🇸 US 🇨🇦 CA | 4 Speed RWD/4X4 4L60E Transmission | View on Amazon |
| ATP Fits: 4.2L L6 | CX42 | 🇺🇸 US 🇨🇦 CA | 2-4OE width 2.25" | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24232236 | 🇺🇸 US 🇨🇦 CA | 2-4 | View on Amazon |
| PIONEER Fits: 4.2L L6 | 767015 | 🇺🇸 US 🇨🇦 CA | 2-4 | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7770001K | 🇺🇸 US 🇨🇦 CA | Kevlar Material | View on Amazon |
This table covers the apply bands inside the automatic transmission.
6 Band parts are listed for the 2004 Isuzu Ascender, from BORG-WARNER, PA CARGO, ATP and 3 other brands. BORG-WARNER 27363BW carries the "Popular" badge.
Listed part numbers: BORG-WARNER 27363BW, PA CARGO 77700A and ATP CX42, plus the other parts above.
Band Anchor Pin
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8654581 | 🇺🇸 US 🇨🇦 CA | 2-4 | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8680500 | 🇺🇸 US 🇨🇦 CA | IDENTIFY BY 2 GROOVES IN TAPERED POINT | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8680499 | 🇺🇸 US 🇨🇦 CA | IDENTIFY BY 1 GROOVE IN TAPERED POINT | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8680501 | 🇺🇸 US 🇨🇦 CA | NO GROOVE, CODE AAY, HJ, NHIDENTIFY BY NO GROOVES IN TAPERED POINT | View on Amazon |
This table covers the Band Anchor pins.
GM GENUINE supplies the 4 Band Anchor Pin parts for the 2004 Isuzu Ascender.
Listed part numbers: GM GENUINE 8654581, GM GENUINE 8680500 and GM GENUINE 8680499, plus the other parts above.
Boost Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO Popular Fits: 4.2L L6 | 4L60EBOOST | 🇺🇸 US 🇨🇦 CA | .500" Boost Valve and Bushing Steel Replacement Kit | View on Amazon |
| SONNAX Fits: 4.2L L6 | 700R4LB1 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SONNAX Fits: 4.2L L6 | 4L60ELB2 | 🇺🇸 US 🇨🇦 CA | Late Style Long Boost Sleeve, 1.810" Length | View on Amazon |
| SONNAX Fits: 4.2L L6 | 4L60ELB1 | 🇺🇸 US 🇨🇦 CA | Early Style Long Boost Sleeve, 1.907" Length | View on Amazon |
| TRANSGO Fits: 4.2L L6 | 4L60EBOOST472 | 🇺🇸 US 🇨🇦 CA | .472" Boost Valve and Bushing Steel Replacement Kit | View on Amazon |
This table covers the Boost valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
5 Boost Valve parts are listed for the 2004 Isuzu Ascender, from SONNAX and TRANSGO. TRANSGO 4L60EBOOST carries the "Popular" badge.
This group includes TRANSGO 4L60EBOOST, SONNAX 700R4LB1 and SONNAX 4L60ELB2 and the remaining parts above.
Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND Popular Fits: 4.2L L6 | GMT34 | 🇺🇸 US 🇨🇦 CA | Reverse Drum (Front) | View on Amazon |
| DURA-BOND Popular Fits: 4.2L L6 | GMT31A | 🇺🇸 US 🇨🇦 CA | Stator (Front) (Large Diameter).670 Length | View on Amazon |
| ATP Fits: 4.2L L6 | SB33 | 🇺🇸 US 🇨🇦 CA | Reaction carrier shaft - front | View on Amazon |
| DURA-BOND Fits: 4.2L L6 | 8628917 | 🇺🇸 US 🇨🇦 CA | Reverse Drum (Rear) | View on Amazon |
| DURA-BOND Fits: 4.2L L6 | 8642907 | 🇺🇸 US 🇨🇦 CA | Reaction Shaft (Rear) | View on Amazon |
| PIONEER Fits: 4.2L L6 | 755051 | 🇺🇸 US 🇨🇦 CA | FrontReaction carrier shaft | View on Amazon |
This table covers the bushings in this assembly. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
6 Bushing parts for the 2004 Isuzu Ascender come from 3 brands — DURA-BOND, ATP and PIONEER. The "Popular" part is DURA-BOND GMT34.
This group includes DURA-BOND GMT34, DURA-BOND GMT31A and ATP SB33 and the remaining parts above.
Bushing Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND Fits: 4.2L L6 | TK23 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DURA-BOND Fits: 4.2L L6 | TK23EK | 🇺🇸 US 🇨🇦 CA | Essentials Kit | View on Amazon |
| DURA-BOND Fits: 4.2L L6 | TK23HP | 🇺🇸 US 🇨🇦 CA | High Performance Kit | View on Amazon |
| PA CARGO Fits: 4.2L L6 | K77901A | 🇺🇸 US 🇨🇦 CA | 4 Speed RWD/4X4 4L60E Transmission | View on Amazon |
This table covers the Bushing kits.
4 Bushing Kit parts for the 2004 Isuzu Ascender come from 2 brands — DURA-BOND and PA CARGO.
This group includes DURA-BOND TK23, DURA-BOND TK23EK and DURA-BOND TK23HP and the remaining parts above.
Case Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND Fits: 4.2L L6 | 2272 | 🇺🇸 US 🇨🇦 CA | Case | View on Amazon |
This table covers the Case bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
This group shows a single part: DURA-BOND 2272.
Case Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24261713 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24261712 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
This table covers the Case covers.
GM GENUINE supplies both parts for the 2004 Isuzu Ascender.
Part numbers include GM GENUINE 24261713 and GM GENUINE 24261712.
Case Vent
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 25892279 | 🇺🇸 US 🇨🇦 CA | RearVent Stem with Cap | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 15743069 | 🇺🇸 US 🇨🇦 CA | Front4WD | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24202440 | 🇺🇸 US 🇨🇦 CA | Vent Pipe | View on Amazon |
This table covers the vents on a transmission or axle housing.
GM GENUINE supplies the 3 Case Vent parts for the 2004 Isuzu Ascender.
Listed part numbers: GM GENUINE 25892279, GM GENUINE 15743069 and GM GENUINE 24202440.
Clutch Apply Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24212462 | 🇺🇸 US 🇨🇦 CA | Forward4.27MM-4.38MM THICK | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8685044 | 🇺🇸 US 🇨🇦 CA | 3-4 | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7414001K | 🇺🇸 US 🇨🇦 CA | Requires 1991 and later 3-4 apply ring stamped with number 7, measuring 3.671-3.682" in height | View on Amazon |
This table covers the Clutch Apply plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
3 Clutch Apply Plate parts are listed for the 2004 Isuzu Ascender, from GM GENUINE and SONNAX.
Listed part numbers: GM GENUINE 24212462, GM GENUINE 8685044 and SONNAX 7414001K.
Clutch Apply Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8685043 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Clutch Apply rings.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 8685043.
Clutch Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 4.2L L6 | 24245624 | 🇺🇸 US 🇨🇦 CA | Reverse | View on Amazon |
| SONNAX Popular Fits: 4.2L L6 | 7773351K | 🇺🇸 US 🇨🇦 CA | Input Drum Reinforcement Kit | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24205298 | 🇺🇸 US 🇨🇦 CA | ForwardINCLUDES HOUSINGS AND VALVE | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 19418732 | 🇺🇸 US 🇨🇦 CA | Width: 8.25 In | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 19418733 | 🇺🇸 US 🇨🇦 CA | Width: 16.1 In | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7773306KA | 🇺🇸 US 🇨🇦 CA | Smart-Tech Input Housing Kit | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7773312KA | 🇺🇸 US 🇨🇦 CA | Smart-Tech Input Housing Kit with Heavy Duty Input Shaft | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7773310KA | 🇺🇸 US 🇨🇦 CA | Smart-Tech Input Housing Kit with Heavy Duty Input Shaft | View on Amazon |
This table covers the Clutch housings.
8 Clutch Housing parts for the 2004 Isuzu Ascender come from 2 brands — GM GENUINE and SONNAX. The "Popular" part is GM GENUINE 24245624.
This group includes GM GENUINE 24245624, SONNAX 7773351K and GM GENUINE 24205298 and the remaining parts above.
Clutch Housing Thrust Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8642066 | 🇺🇸 US 🇨🇦 CA | INPUT | View on Amazon |
This table covers the Clutch Housing Thrust bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
This group shows a single part: GM GENUINE 8642066.
Clutch Hub
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | 74574HD | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Clutch hubs.
This group shows a single part: SONNAX 74574HD.
Clutch Pack Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 4.2L L6 | 24200290 | 🇺🇸 US 🇨🇦 CA | 3-4 | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24205273 | 🇺🇸 US 🇨🇦 CA | OverrunSTEEL with INTEGRAL SEAL | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24205272 | 🇺🇸 US 🇨🇦 CA | ForwardINCLUDES SEALING ELEMENT | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8685549 | 🇺🇸 US 🇨🇦 CA | Low / Reverse | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8667841 | 🇺🇸 US 🇨🇦 CA | Reverse Piston | View on Amazon |
This table covers the pistons that apply a clutch pack.
GM GENUINE supplies the 5 Clutch Pack Piston parts for the 2004 Isuzu Ascender. GM GENUINE 24200290 carries the "Popular" badge.
This group includes GM GENUINE 24200290, GM GENUINE 24205273 and GM GENUINE 24205272 and the remaining parts above.
Clutch Pack Piston Dam / Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8648987 | 🇺🇸 US 🇨🇦 CA | Low / ReverseSquare Ring Center | View on Amazon |
This table covers the seals at the Clutch Pack Piston Dam. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 8648987.
Clutch Plate
Backing Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 4.2L L6 | 24212459 | 🇺🇸 US 🇨🇦 CA | 3-43.90-4.10mm | View on Amazon |
| GM GENUINE Popular Fits: 4.2L L6 | 24212461 | 🇺🇸 US 🇨🇦 CA | 3-45.68-5.88mm | View on Amazon |
| GM GENUINE Popular Fits: 4.2L L6 | 24212460 | 🇺🇸 US 🇨🇦 CA | 3-44.79-4.99mm | View on Amazon |
| GM GENUINE Popular Fits: 4.2L L6 | 24212468 | 🇺🇸 US 🇨🇦 CA | Forward5.74mm-5.89mm | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24212467 | 🇺🇸 US 🇨🇦 CA | ForwardIdentification D | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24205267 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24212466 | 🇺🇸 US 🇨🇦 CA | ForwardIdentification E | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24205270 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24212464 | 🇺🇸 US 🇨🇦 CA | Reverse6.518-6.678mm | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24205268 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
Friction
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 4.2L L6 | 24216946 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentFiber | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24210766 | 🇺🇸 US 🇨🇦 CA | RearGrooved | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24281022 | 🇺🇸 US 🇨🇦 CA | ForwardV-Notch | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8654325 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8642154 | 🇺🇸 US 🇨🇦 CA | RearFlat Steel | View on Amazon |
Wave Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24062825 | 🇺🇸 US 🇨🇦 CA | Low / ReverseWave Plate | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8663074 | 🇺🇸 US 🇨🇦 CA | ReverseWave Plate | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24281020 | 🇺🇸 US 🇨🇦 CA | Fiber | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24059570 | 🇺🇸 US 🇨🇦 CA | OverrunFriction Plate | View on Amazon |
This table covers the Clutch plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
19 Clutch Plate parts are listed for the 2004 Isuzu Ascender, from GM GENUINE and ACDELCO. GM GENUINE 24212459 carries the "Popular" badge.
The Backing Plate section lists 10 options from GM GENUINE — grouped under the catalog's "Backing Plate" designation — the notes column spells out what sets them apart. GM GENUINE 24212459 is listed in this group.
In the Friction grade, GM GENUINE and ACDELCO supply 5 parts: grouped under the catalog's "Friction" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 24216946.
The Wave Plate section lists 2 options from GM GENUINE — grouped under the catalog's "Wave Plate" designation — the notes column spells out what sets them apart. GM GENUINE 24062825 is listed in this group.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Clutch Plate Pack
Friction Plate & Steel Plate Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 4.2L L6 | 24238603 | 🇺🇸 US 🇨🇦 CA | Clutch Plate Kit with Friction and Steel Plates | View on Amazon |
Friction Plate Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN Popular Fits: 4.2L L6 | RCP96087 | 🇺🇸 US 🇨🇦 CA | Clutch Pack Module With 6 High Energy 3rd, 4th Clutches | View on Amazon |
| RAYBESTOS POWERTRAIN Fits: 4.2L L6 | RCPBP04 | 🇺🇸 US 🇨🇦 CA | Blue Plate Kit | View on Amazon |
| RAYBESTOS POWERTRAIN Fits: 4.2L L6 | RCP96140 | 🇺🇸 US 🇨🇦 CA | Clutch Pack Module With 3-4 Z Pak | View on Amazon |
| RAYBESTOS POWERTRAIN Fits: 4.2L L6 | RCPS15 | 🇺🇸 US 🇨🇦 CA | Stage-1 Performance Module | View on Amazon |
| RAYBESTOS POWERTRAIN Fits: 4.2L L6 | RCPS20 | 🇺🇸 US 🇨🇦 CA | Stage-1 Performance ModuleContains .080" 3-4 Frictions | View on Amazon |
Steel Plate Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN Fits: 4.2L L6 | 000752 | 🇺🇸 US 🇨🇦 CA | Steel Module | View on Amazon |
| RAYBESTOS POWERTRAIN Fits: 4.2L L6 | 000596 | 🇺🇸 US 🇨🇦 CA | Steel Module With Turbulated Plates Used With 3-4 Steel Lindered | View on Amazon |
| RAYBESTOS POWERTRAIN Fits: 4.2L L6 | 000751 | 🇺🇸 US 🇨🇦 CA | Steel Module With 1 Extra .078" 3rd, 4th Steel Plate | View on Amazon |
This table covers the clutch-plate packs inside the transmission or transfer case.
9 Clutch Plate Pack parts for the 2004 Isuzu Ascender come from 2 brands — RAYBESTOS POWERTRAIN and GM GENUINE. The "Popular" part is GM GENUINE 24238603.
The Friction Plate & Steel Plate Pack section lists 1 option from GM GENUINE — grouped under the catalog's "Friction Plate & Steel Plate Pack" designation — the notes column spells out what sets them apart. GM GENUINE 24238603 is listed in this group.
In the Friction Plate Pack grade, RAYBESTOS POWERTRAIN supplies 5 parts: grouped under the catalog's "Friction Plate Pack" designation — the notes column spells out what sets them apart. A representative part number is RAYBESTOS POWERTRAIN RCP96087.
The Steel Plate Pack section lists 3 options from RAYBESTOS POWERTRAIN — grouped under the catalog's "Steel Plate Pack" designation — the notes column spells out what sets them apart. RAYBESTOS POWERTRAIN 000752 is listed in this group.
Listed part numbers: GM GENUINE 24238603, RAYBESTOS POWERTRAIN RCP96087 and RAYBESTOS POWERTRAIN RCPBP04, plus the other parts above.
Clutch Plate Retaining Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8663636 | 🇺🇸 US 🇨🇦 CA | 3-4Backing Plate | View on Amazon |
This table covers the Clutch Plate Retaining rings.
This group shows a single part: GM GENUINE 8663636.
Clutch Seal Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8681292 | 🇺🇸 US 🇨🇦 CA | Reverse | View on Amazon |
This table covers the Clutch Seal rings.
This group shows a single part: GM GENUINE 8681292.
Clutch Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 4.2L L6 | 24206085 | 🇺🇸 US 🇨🇦 CA | Overrun | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8642227 | 🇺🇸 US 🇨🇦 CA | Low / Reverse | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24245066 | 🇺🇸 US 🇨🇦 CA | Reverse | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8685244 | 🇺🇸 US 🇨🇦 CA | 3-4105.12MM O.D. | View on Amazon |
| TRANSGO Fits: 4.2L L6 | 7CS | 🇺🇸 US 🇨🇦 CA | High RPM (3-4/FWD) Clutch Spring Kit | View on Amazon |
This table covers the Clutch springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
5 Clutch Spring parts for the 2004 Isuzu Ascender come from 2 brands — GM GENUINE and TRANSGO. The "Popular" part is GM GENUINE 24206085.
Listed part numbers: GM GENUINE 24206085, GM GENUINE 8642227 and GM GENUINE 24245066, plus the other parts above.
Clutch Support
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 19432695 | 🇺🇸 US 🇨🇦 CA | Low / Reverse | View on Amazon |
This table covers the Clutch supports.
This group shows a single part: GM GENUINE 19432695.
Components
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Popular Fits: 4.2L L6 | 7775421 | 🇺🇸 US 🇨🇦 CA | Forward & Reverse Abuse Bore Plug | View on Amazon |
| SONNAX Popular Fits: 4.2L L6 | 77701076 | 🇺🇸 US 🇨🇦 CA | Servo Release Check Valve Kit | View on Amazon |
| SONNAX Popular Fits: 4.2L L6 | 7775435K | 🇺🇸 US 🇨🇦 CA | Forward & Reverse Abuse Valve Kit | View on Amazon |
| SONNAX Popular Fits: 4.2L L6 | 77805EK | 🇺🇸 US 🇨🇦 CA | TCC Apply Valve Kit | View on Amazon |
| SONNAX Popular Fits: 4.2L L6 | 7796408K | 🇺🇸 US 🇨🇦 CA | 3-4 Relay O-Ringed End Plug Kit | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8680764 | 🇺🇸 US 🇨🇦 CA | ForwardM6X1X17.7 | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7773105 | 🇺🇸 US 🇨🇦 CA | Batwing Washer | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7775423 | 🇺🇸 US 🇨🇦 CA | 3-2 Control Valve Spring | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7774701 | 🇺🇸 US 🇨🇦 CA | Captured Front Planetary Bearing | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7773103 | 🇺🇸 US 🇨🇦 CA | Pinion Needle Roller | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7775408 | 🇺🇸 US 🇨🇦 CA | CLIP | View on Amazon |
| SONNAX Fits: 4.2L L6 | 77805S25 | 🇺🇸 US 🇨🇦 CA | Replacement Seal | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7791103SK | 🇺🇸 US 🇨🇦 CA | Replacement Seal Kit | View on Amazon |
| SONNAX Fits: 4.2L L6 | 77704S | 🇺🇸 US 🇨🇦 CA | Enhanced Performance Accumulator Spring | View on Amazon |
| SONNAX Fits: 4.2L L6 | 3491301 | 🇺🇸 US 🇨🇦 CA | Shift Cable Mount Bracket | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7773102K | 🇺🇸 US 🇨🇦 CA | Pinion Pin | View on Amazon |
| SONNAX Fits: 4.2L L6 | 77777LK | 🇺🇸 US 🇨🇦 CA | Accumulator Valve Train Kit | View on Amazon |
| SONNAX Fits: 4.2L L6 | 77777MK | 🇺🇸 US 🇨🇦 CA | Accumulator Valve Train Kit | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7796404K | 🇺🇸 US 🇨🇦 CA | Oversized 4-3 Sequence Valve Kit | View on Amazon |
| SONNAX Fits: 4.2L L6 | 77754RM5 | 🇺🇸 US 🇨🇦 CA | Reamer | View on Amazon |
| TRANSGO Fits: 4.2L L6 | 4L60EABUSEBP | 🇺🇸 US 🇨🇦 CA | Reverse Abuse Bore (Divider) Plugs | View on Amazon |
This table covers the related components grouped with this assembly.
21 Components parts for the 2004 Isuzu Ascender come from 3 brands — SONNAX, GM GENUINE and TRANSGO. The "Popular" part is SONNAX 7775421.
Conductor Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: 4.2L L6 | 550034 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
This table covers the Conductor plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
One part is listed for the 2004 Isuzu Ascender — ROSTRA 550034.
Control Solenoid Valve Retainer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8680781 | 🇺🇸 US 🇨🇦 CA | Length (mm): 25.55 mm | View on Amazon |
This table covers the Control Solenoid Valve retainers.
This group shows a single part: GM GENUINE 8680781.
Dipstick / Fluid Filler Tube
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 15913563 | 🇺🇸 US 🇨🇦 CA | Mounting Bracket Included: YES | View on Amazon |
This table covers the Dipstick / Fluid Filler tubes.
This group shows a single part: GM GENUINE 15913563.
Dipstick / Fluid Filler Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 1259475 | 🇺🇸 US 🇨🇦 CA | AT CASE | View on Amazon |
This table covers the seals at the Dipstick / Fluid Filler Tube. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 1259475.
Extension Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24241496 | 🇺🇸 US 🇨🇦 CA | Length: 16.75 In | View on Amazon |
This table covers the Extension housings.
This group shows a single part: GM GENUINE 24241496.
Extension Housing Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 08680874 | 🇺🇸 US 🇨🇦 CA | M10X1.5X33.4 | View on Amazon |
This table covers the Extension Housing bolts.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 08680874.
Extension Housing Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND Fits: 4.2L L6 | GMT32 | 🇺🇸 US 🇨🇦 CA | Extension Housing | View on Amazon |
| DURA-BOND Fits: 4.2L L6 | GMT32T | 🇺🇸 US 🇨🇦 CA | Coated | View on Amazon |
This table covers the Extension Housing bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
2 Extension Housing Bushing parts for the 2004 Isuzu Ascender come from DURA-BOND.
This group includes DURA-BOND GMT32 and DURA-BOND GMT32T.
Extension Housing Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24208660 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the gaskets that seal the Extension Housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 24208660.
Extension Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular Fits: 4.2L L6 | 4934 | 🇺🇸 US 🇨🇦 CA | Boot Typewith GMC 4L60-E Transmission | View on Amazon |
| TIMKEN Popular Fits: 4.2L L6 | 9613S | 🇺🇸 US 🇨🇦 CA | 2.222 in. Shaft Size3.5 in. Bore | View on Amazon |
| ATP Fits: 4.2L L6 | CO36 | 🇺🇸 US 🇨🇦 CA | Width- 1.3750", ID- 1.8125", OD-2.8750" | View on Amazon |
| BCA Fits: 4.2L L6 | NS4583 | 🇺🇸 US 🇨🇦 CA | External Markings: 1.502 X 2.377 X 0.374 | View on Amazon |
| NATIONAL Fits: 4.2L L6 | 4583 | 🇺🇸 US 🇨🇦 CA | with GMC 4L60-E Transmissionwithout Boot | View on Amazon |
| PIONEER Fits: 4.2L L6 | 759115 | 🇺🇸 US 🇨🇦 CA | with Boot | View on Amazon |
| SCHAEFFLER Fits: 4.2L L6 | SS2575 | 🇺🇸 US 🇨🇦 CA | 1.5" I:D X 2.38" O.D. X 0.37" Width | View on Amazon |
| WJB / INMOTION PARTS Fits: 4.2L L6 | WS4583 | 🇺🇸 US 🇨🇦 CA | without Bootwith GMC 4L60-E Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: 4.2L L6 | WS4934 | 🇺🇸 US 🇨🇦 CA | Boot Typewith GMC 4L60-E Transmission | View on Amazon |
This table covers the seals at the Extension Housing. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
9 Extension Housing Seal parts are listed for the 2004 Isuzu Ascender, from NATIONAL, WJB / INMOTION PARTS, TIMKEN and 4 other brands. NATIONAL 4934 carries the "Popular" badge.
This group includes NATIONAL 4934, TIMKEN 9613S and ATP CO36 and the remaining parts above.
Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Popular Fits: 4.2L L6 | TF165 | 🇺🇸 US 🇨🇦 CA | OE Replacement | View on Amazon |
| CHAMP / LUBER-FINER Fits: 4.2L L6 | T715A | 🇺🇸 US 🇨🇦 CA | Deep pan | View on Amazon |
| VARIOUS MFR Fits: 4.2L L6 | PT1211 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| VARIOUS MFR Fits: 4.2L L6 | PT1318 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| VARIOUS MFR Fits: 4.2L L6 | PT1267 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular Fits: 4.2L L6 | T8847 | 🇺🇸 US 🇨🇦 CA | Deep pan | View on Amazon |
| GM GENUINE Popular Fits: 4.2L L6 | 24208576 | 🇺🇸 US 🇨🇦 CA | Includes Transmission Pan Gasket, Seal | View on Amazon |
| HASTINGS / BALDWIN Popular Fits: 4.2L L6 | TF113 | 🇺🇸 US 🇨🇦 CA | Shallow Pan 2-1/4 In | View on Amazon |
| RAYBESTOS POWERTRAIN Popular Fits: 4.2L L6 | 515704 | 🇺🇸 US 🇨🇦 CA | Deep pan | View on Amazon |
| WIX Popular Fits: 4.2L L6 | 58847 | 🇺🇸 US 🇨🇦 CA | with Deep Pan | View on Amazon |
| ACDELCO Fits: 4.2L L6 | TF289 | 🇺🇸 US 🇨🇦 CA | GoldIncludes Pan Gasket | View on Amazon |
| ACDELCO Fits: 4.2L L6 | TF337 | 🇺🇸 US 🇨🇦 CA | GoldIncludes Pan Gasket | View on Amazon |
| ATP Fits: 4.2L L6 | B126 | 🇺🇸 US 🇨🇦 CA | Premium ReplacementIncludes: (1) Pan Gasket, (1) Filter | View on Amazon |
| ATP Fits: 4.2L L6 | B165 | 🇺🇸 US 🇨🇦 CA | Includes: (1) 3rd hand gasket, (1) filterPremium Replacement | View on Amazon |
| ATP Fits: 4.2L L6 | JX150 | 🇺🇸 US 🇨🇦 CA | In-Line Filter KitIncludes: (2) Hoses, (4) Clamps | View on Amazon |
| ATP Fits: 4.2L L6 | B248 | 🇺🇸 US 🇨🇦 CA | Premium ReplacementDoes Not Include 3rd Hand Gasket | View on Amazon |
| ATP Fits: 4.2L L6 | JX151 | 🇺🇸 US 🇨🇦 CA | In-Line Filter KitInline Cooler Filter | View on Amazon |
| ATP Fits: 4.2L L6 | IL150 | 🇺🇸 US 🇨🇦 CA | In-Line Filter KitInline Cooler Filter | View on Amazon |
| BECK/ARNLEY Fits: 4.2L L6 | 0440359 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FVP Fits: 4.2L L6 | T8904 | 🇺🇸 US 🇨🇦 CA | Shallow Pan | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 19542003 | 🇺🇸 US 🇨🇦 CA | Used with Deep Pan 76.6mm | View on Amazon |
| HASTINGS / BALDWIN Fits: 4.2L L6 | TF156 | 🇺🇸 US 🇨🇦 CA | Deep Pan 2-7/8 In | View on Amazon |
| PIONEER Fits: 4.2L L6 | 745174 | 🇺🇸 US 🇨🇦 CA | 2-7/8" Deep PanAftermarket Design | View on Amazon |
| PIONEER Fits: 4.2L L6 | 745263 | 🇺🇸 US 🇨🇦 CA | Includes (1) 3rd Hand Gasket, (1) Filter | View on Amazon |
| PIONEER Fits: 4.2L L6 | 745119 | 🇺🇸 US 🇨🇦 CA | Inline Cooler FilterIn-Line Filter Kit | View on Amazon |
| WIX Fits: 4.2L L6 | 58904 | 🇺🇸 US 🇨🇦 CA | with Shallow Pan | View on Amazon |
This table covers the replacement filters for this application — the table heading and notes say which circuit. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
26 Filter parts for the 2004 Isuzu Ascender come from 11 brands — ATP, VARIOUS MFR, PIONEER and 8 other brands. The "Popular" part is ATP TF165. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 21 parts.
Filter Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 08685775 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at the Filter. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 08685775.
Fluid Cooler Line / Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 4.2L L6 | 15817501 | 🇺🇸 US 🇨🇦 CA | Inlet4 speed | View on Amazon |
| SUNSONG Popular Fits: 4.2L L6 | 5801243 | 🇺🇸 US 🇨🇦 CA | Fits Oil Cooler Inlet Tube To Transmission (Front)without Auxiliary Cooleror Outlet to Transmission (Driver Side) | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 15817500 | 🇺🇸 US 🇨🇦 CA | Inlet4 Speed | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 15817514 | 🇺🇸 US 🇨🇦 CA | Outlet4 Speed | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 15817515 | 🇺🇸 US 🇨🇦 CA | Outlet4 speed | View on Amazon |
| SKP Fits: 4.2L L6 | SK624956 | 🇺🇸 US 🇨🇦 CA | Radiator Oil Cooler Inlet (Lower)From Radiator to Quick Connect | View on Amazon |
| SUNSONG Fits: 4.2L L6 | 5801245 | 🇺🇸 US 🇨🇦 CA | Inlet To Transmission (Lower)Drivers Side | View on Amazon |
| SUNSONG Fits: 4.2L L6 | 5801244 | 🇺🇸 US 🇨🇦 CA | Oil Cooler Inlet Tube To Transmission (Front)with Auxiliary Cooler | View on Amazon |
| SUNSONG Fits: 4.2L L6 | 5801242 | 🇺🇸 US 🇨🇦 CA | Fits Inlet To Transmission (Passenger Side)without Auxiliary Cooleror Outlet (Passenger Side) To Transmission (Rear) | View on Amazon |
This table covers the Fluid Cooler Line hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.
9 Fluid Cooler Line / Hose parts for the 2004 Isuzu Ascender come from 3 brands — GM GENUINE, SUNSONG and SKP. The "Popular" part is GM GENUINE 15817501.
This group includes GM GENUINE 15817501, SUNSONG 5801243 and GM GENUINE 15817500 and the remaining parts above.
Fluid Cooler Line / Hose Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: 4.2L L6 | 53024 | 🇺🇸 US 🇨🇦 CA | Transmission Line Fitting KitUse On Vehicles with Snap-In Transmission Line Fitting | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 15226661 | 🇺🇸 US 🇨🇦 CA | End Fitting | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 19125677 | 🇺🇸 US 🇨🇦 CA | End FittingSteel | View on Amazon |
| HAYDEN Fits: 4.2L L6 | 397 | 🇺🇸 US 🇨🇦 CA | Transmission Line Fitting KitUse On Vehicles with Snap-In Transmission Line Fitting | View on Amazon |
This table covers the harness connectors at the Fluid Cooler Line / Hose. Typical signs include an intermittent fault that moves when you wiggle the plug, green corrosion, or a melted housing. Match terminal count and keyway, not just color. Many families look identical and will not lock.
4 Fluid Cooler Line / Hose Connector parts are listed for the 2004 Isuzu Ascender, from GM GENUINE, FOUR SEASONS and HAYDEN.
Listed part numbers: FOUR SEASONS 53024, GM GENUINE 15226661 and GM GENUINE 19125677, plus the other parts above.
Fluid Cooler Line Clip
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24205103 | 🇺🇸 US 🇨🇦 CA | 3/8, 17.4mm OD | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 15068848 | 🇺🇸 US 🇨🇦 CA | Hose & Tube Assembly Clip | View on Amazon |
This table covers the Fluid Cooler Line clips.
2 Fluid Cooler Line Clip parts for the 2004 Isuzu Ascender come from GM GENUINE.
This group includes GM GENUINE 24205103 and GM GENUINE 15068848.
Fluid Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 4.2L L6 | 265811 | 🇺🇸 US 🇨🇦 CA | OE FIX3" Depth | View on Amazon |
| SKP Fits: 4.2L L6 | SK265811 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SPECTRA PREMIUM Fits: 4.2L L6 | TP0811 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the pans that hold automatic-transmission fluid.
3 Fluid Pan parts are listed for the 2004 Isuzu Ascender, from DORMAN, SKP and SPECTRA PREMIUM.
This group includes DORMAN 265811, SKP SK265811 and SPECTRA PREMIUM TP0811.
Fluid Pan Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24231519 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Fluid Pan bolts.
This group shows a single part: GM GENUINE 24231519.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular Fits: 4.2L L6 | TOS18663 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Popular Fits: 4.2L L6 | 8654799 | 🇺🇸 US 🇨🇦 CA | Rubber End Pieces Included: No | View on Amazon |
| ATP Fits: 4.2L L6 | SG30 | 🇺🇸 US 🇨🇦 CA | Replacement GasketAftermarket Style | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 19540975 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| MAHLE / CLEVITE Fits: 4.2L L6 | W39365 | 🇺🇸 US 🇨🇦 CA | Cork-Rubber | View on Amazon |
| MAHLE / CLEVITE Fits: 4.2L L6 | W39365TC | 🇺🇸 US 🇨🇦 CA | Cork with Metal Carrier | View on Amazon |
| PIONEER Fits: 4.2L L6 | 749014 | 🇺🇸 US 🇨🇦 CA | Fiber | View on Amazon |
| VICTOR REINZ Fits: 4.2L L6 | 711494200 | 🇺🇸 US 🇨🇦 CA | 16 Bolt | View on Amazon |
This table covers the gaskets that seal the Fluid Pan. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
8 Fluid Pan Gasket parts for the 2004 Isuzu Ascender come from 6 brands — GM GENUINE, MAHLE / CLEVITE, FEL-PRO and 3 other brands. The "Popular" part is FEL-PRO TOS18663.
Part numbers include FEL-PRO TOS18663, GM GENUINE 8654799 and ATP SG30, among others listed above.
Fluid Pan Magnet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 29535617 | 🇺🇸 US 🇨🇦 CA | Length: 1.8 In | View on Amazon |
This table covers the Fluid Pan magnets.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 29535617.
Fluid Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 19434976 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
This table covers the Fluid pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.
This group shows a single part: GM GENUINE 19434976.
Fluid Pump Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND Fits: 4.2L L6 | 61005 | 🇺🇸 US 🇨🇦 CA | Pump body | View on Amazon |
| DURA-BOND Fits: 4.2L L6 | 61005T | 🇺🇸 US 🇨🇦 CA | Coated | View on Amazon |
| DURA-BOND Fits: 4.2L L6 | 61005TG | 🇺🇸 US 🇨🇦 CA | Dry Film Lubricated | View on Amazon |
This table covers the Fluid Pump bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
3 Fluid Pump Bushing parts for the 2004 Isuzu Ascender come from DURA-BOND.
Part numbers include DURA-BOND 61005, DURA-BOND 61005T and DURA-BOND 61005TG.
Fluid Pump Cover Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24233361 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
This table covers the Fluid Pump Cover bolts.
This group shows a single part: GM GENUINE 24233361.
Fluid Pump Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Fits: 4.2L L6 | SG40 | 🇺🇸 US 🇨🇦 CA | Position: Front Pump to Case | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 12337931 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| PIONEER Fits: 4.2L L6 | 749084 | 🇺🇸 US 🇨🇦 CA | front pump to case | View on Amazon |
This table covers the gaskets that seal the Fluid Pump. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
3 Fluid Pump Gasket parts are listed for the 2004 Isuzu Ascender, from ATP, GM GENUINE and PIONEER.
Part numbers include ATP SG40, GM GENUINE 12337931 and PIONEER 749084.
Fluid Pump Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Fits: 4.2L L6 | 99174 | 🇺🇸 US 🇨🇦 CA | with GMC 4L60-E Transmission | View on Amazon |
| WJB / INMOTION PARTS Fits: 4.2L L6 | WS99174 | 🇺🇸 US 🇨🇦 CA | Frontwith GMC 4L60-E Transmission | View on Amazon |
This table covers the precision wear sleeves used to restore a transmission pump seal surface.
2 Fluid Pump Repair Sleeve parts are listed for the 2004 Isuzu Ascender, from NATIONAL and WJB / INMOTION PARTS.
Part numbers include NATIONAL 99174 and WJB / INMOTION PARTS WS99174.
Fluid Pump Rotor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24219539 | 🇺🇸 US 🇨🇦 CA | 17.961 mm | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24219542 | 🇺🇸 US 🇨🇦 CA | 18.00 mm | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24219541 | 🇺🇸 US 🇨🇦 CA | 17.987 mm | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24219538 | 🇺🇸 US 🇨🇦 CA | 17.948 mm | View on Amazon |
This table covers the Fluid Pump rotors. Typical signs include shudder under braking, or a lip at the outer edge. Do not put new pads on a rotor that is below minimum thickness.
4 Fluid Pump Rotor parts for the 2004 Isuzu Ascender come from GM GENUINE.
Listed part numbers: GM GENUINE 24219539, GM GENUINE 24219542 and GM GENUINE 24219541, plus the other parts above.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 4.2L L6 | 24210605 | 🇺🇸 US 🇨🇦 CA | Material: Rubber | View on Amazon |
| NATIONAL Popular Fits: 4.2L L6 | 4950 | 🇺🇸 US 🇨🇦 CA | FrontGeneral Motors trans. | View on Amazon |
| ATP Fits: 4.2L L6 | CO37 | 🇺🇸 US 🇨🇦 CA | Outer Diameter: 2.875" | View on Amazon |
| BCA Fits: 4.2L L6 | NS4950 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24208664 | 🇺🇸 US 🇨🇦 CA | Bolt Seal | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24226315 | 🇺🇸 US 🇨🇦 CA | Fits RWDWedge Type Seal Assembly | View on Amazon |
| PIONEER Fits: 4.2L L6 | 759026 | 🇺🇸 US 🇨🇦 CA | Outer Diameter: 2.875"Inner Diameter: 1.75" | View on Amazon |
| WJB / INMOTION PARTS Fits: 4.2L L6 | WS4950 | 🇺🇸 US 🇨🇦 CA | FrontGeneral Motors trans. | View on Amazon |
This table covers the seals at the Fluid Pump. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
8 Fluid Pump Seal parts are listed for the 2004 Isuzu Ascender, from GM GENUINE, NATIONAL, ATP and 3 other brands. GM GENUINE 24210605 carries the "Popular" badge.
Part numbers include GM GENUINE 24210605, NATIONAL 4950 and ATP CO37, among others listed above.
Fluid Pump Slide
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24212478 | 🇺🇸 US 🇨🇦 CA | Slide ID Mark = 1 DimpleMust Use Slides with 1 Dimple and Rotors with 2 Dimples as A Set or Slides and Rotors with No Dimples as A Set | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24212480 | 🇺🇸 US 🇨🇦 CA | 17.9805 mm | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24212479 | 🇺🇸 US 🇨🇦 CA | 17.9675 mm | View on Amazon |
This table covers the slides inside the transmission fluid pump.
GM GENUINE supplies the 3 Fluid Pump Slide parts for the 2004 Isuzu Ascender.
Listed part numbers: GM GENUINE 24212478, GM GENUINE 24212480 and GM GENUINE 24212479.
Fluid Screen
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8642912 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
This table covers the Fluid screens.
This group shows a single part: GM GENUINE 8642912.
Gasket Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 19300335 | 🇺🇸 US 🇨🇦 CA | Gasket Kit | View on Amazon |
This table covers the gasket kits for this job. Typical signs include the leaks that sent this assembly to the bench. Confirm the kit matches the opening you are sealing; unused leftover pieces often belong to another configuration.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 19300335.
Governor / Modulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO Fits: 4.2L L6 | 46MOD | 🇺🇸 US 🇨🇦 CA | Vacuum Modulator Kit | View on Amazon |
This table covers the governors and modulators that control transmission shift pressure.
This group shows a single part: TRANSGO 46MOD.
Input Carrier
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | 77284K | 🇺🇸 US 🇨🇦 CA | 2.84 Ratio Input Carrier Kit | View on Amazon |
This table covers the input carriers in the planetary gearset.
This group shows a single part: SONNAX 77284K.
Input Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | 7773311S | 🇺🇸 US 🇨🇦 CA | Fits 300mm Non Reluctor Style Units Only | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7773310S | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SONNAX Fits: 4.2L L6 | 7773312S | 🇺🇸 US 🇨🇦 CA | Fits 300mm Reluctor Style Units Only | View on Amazon |
This table covers the Input shafts.
3 Input Shaft parts for the 2004 Isuzu Ascender come from SONNAX.
This group includes SONNAX 7773311S, SONNAX 7773310S and SONNAX 7773312S.
Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8667035 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at the Input Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 8667035.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8657163 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NATIONAL Fits: 4.2L L6 | 8792S | 🇺🇸 US 🇨🇦 CA | General Motors trans. | View on Amazon |
| WJB / INMOTION PARTS Fits: 4.2L L6 | WS8792S | 🇺🇸 US 🇨🇦 CA | General Motors trans. | View on Amazon |
This table covers the seals at the Manual Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
3 Manual Shaft Seal parts are listed for the 2004 Isuzu Ascender, from GM GENUINE, NATIONAL and WJB / INMOTION PARTS.
This group includes GM GENUINE 8657163, NATIONAL 8792S and WJB / INMOTION PARTS WS8792S.
Manual Shift Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24235194 | 🇺🇸 US 🇨🇦 CA | Includes Seal | View on Amazon |
This table covers the Manual Shift shafts.
This group shows a single part: GM GENUINE 24235194.
Manual Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24203484 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the manual valves in the transmission valve body. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
This group shows a single part: GM GENUINE 24203484.
Output Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | 74678LHD | 🇺🇸 US 🇨🇦 CA | Heavy Duty | View on Amazon |
| SONNAX Fits: 4.2L L6 | 74678SHD | 🇺🇸 US 🇨🇦 CA | Heavy Duty | View on Amazon |
This table covers the Output shafts.
SONNAX supplies both parts for the 2004 Isuzu Ascender.
This group includes SONNAX 74678LHD and SONNAX 74678SHD.
Output Shaft Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8642181 | 🇺🇸 US 🇨🇦 CA | Front And Rear | View on Amazon |
This table covers the Output Shaft bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 8642181.
Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8677268 | 🇺🇸 US 🇨🇦 CA | 29 TEETH/SPLINE | View on Amazon |
This table covers the seals at the Output Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
This group shows a single part: GM GENUINE 8677268.
Parking Pawl
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24235438 | 🇺🇸 US 🇨🇦 CA | Actuating Rod | View on Amazon |
This table covers the parking pawls that lock the transmission in Park.
This group shows a single part: GM GENUINE 24235438.
Pressure Control (EPC) Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24248893 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PA CARGO Fits: 4.2L L6 | 34605C | 🇺🇸 US 🇨🇦 CA | General Motors trans.Trans. code 4L60-E | View on Amazon |
| ROSTRA Fits: 4.2L L6 | 520518 | 🇺🇸 US 🇨🇦 CA | EPC Solenoid Variable Force Motor | View on Amazon |
| WELLS Fits: 4.2L L6 | 2N1239 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Pressure Control (EPC) solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
4 Pressure Control (EPC) Solenoid parts for the 2004 Isuzu Ascender come from 4 brands — GM GENUINE, PA CARGO, ROSTRA and 1 other brand.
Part numbers include GM GENUINE 24248893, PA CARGO 34605C and ROSTRA 520518, among others listed above.
Pressure Control (EPC) Solenoid Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24209144 | 🇺🇸 US 🇨🇦 CA | Filter Media Material: Monofilament | View on Amazon |
This table covers the Pressure Control (EPC) Solenoid filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
This group shows a single part: GM GENUINE 24209144.
Pressure Regulator Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | 7791710 | 🇺🇸 US 🇨🇦 CA | Pressure Regulator Spring | View on Amazon |
This table covers the Pressure Regulator valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
This group shows a single part: SONNAX 7791710.
Pressure Regulator Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8680684 | 🇺🇸 US 🇨🇦 CA | Inner | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7772201K | 🇺🇸 US 🇨🇦 CA | Pump Slide Spring | View on Amazon |
This table covers the Pressure Regulator Valve springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
2 Pressure Regulator Valve Spring parts are listed for the 2004 Isuzu Ascender, from GM GENUINE and SONNAX.
Part numbers include GM GENUINE 8680684 and SONNAX 7772201K.
Pressure Switch Manifold
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Fits: 4.2L L6 | JE9 | 🇺🇸 US 🇨🇦 CA | Manifold pressure | View on Amazon |
| PIONEER Fits: 4.2L L6 | 772011 | 🇺🇸 US 🇨🇦 CA | Manifold pressure | View on Amazon |
| ROSTRA Fits: 4.2L L6 | 501002 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 4.2L L6 | PSA100 | 🇺🇸 US 🇨🇦 CA | Transmission Pressure Switch Assembly | View on Amazon |
This table covers the Pressure Switch manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone.
4 Pressure Switch Manifold parts are listed for the 2004 Isuzu Ascender, from ATP, PIONEER, ROSTRA and 1 other brand.
Part numbers include ATP JE9, PIONEER 772011 and ROSTRA 501002, among others listed above.
Reaction Carrier
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24241240 | 🇺🇸 US 🇨🇦 CA | High Speedwith Deflector | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24241237 | 🇺🇸 US 🇨🇦 CA | STANDARDwithout DEFLECTOR | View on Amazon |
This table covers the reaction carriers in the planetary gearset.
GM GENUINE supplies both parts for the 2004 Isuzu Ascender.
Listed part numbers: GM GENUINE 24241240 and GM GENUINE 24241237.
Reaction Carrier Thrust Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8642215 | 🇺🇸 US 🇨🇦 CA | To Support52.42 ID X 72.4 OD | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24217327 | 🇺🇸 US 🇨🇦 CA | To Reaction Shaft43.0 Inside Diameter X 64.57 Outside Diameter | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24217328 | 🇺🇸 US 🇨🇦 CA | 73.7 ID X 91 OD | View on Amazon |
This table covers the Reaction Carrier Thrust bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
GM GENUINE supplies the 3 Reaction Carrier Thrust Bearing parts for the 2004 Isuzu Ascender.
This group includes GM GENUINE 8642215, GM GENUINE 24217327 and GM GENUINE 24217328.
Reaction Internal Gear
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24219410 | 🇺🇸 US 🇨🇦 CA | INPUT | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24233619 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Reaction Internal gears.
GM GENUINE supplies both parts for the 2004 Isuzu Ascender.
Part numbers include GM GENUINE 24219410 and GM GENUINE 24233619.
Reaction Internal Gear Support
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24225931 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Reaction Internal Gear supports.
This group shows a single part: GM GENUINE 24225931.
Rebuild Kit
Banner Kit (Overhaul Kit + Friction Clutch Plates)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PA CARGO Fits: 4.2L L6 | DK7700FS | 🇺🇸 US 🇨🇦 CA | Overhaul Kit | View on Amazon |
| PA CARGO Fits: 4.2L L6 | DK7700JS | 🇺🇸 US 🇨🇦 CA | Banner Kit | View on Amazon |
Deluxe Kit (Master Kit + Filter, Band & Common Bushings)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PIONEER Fits: 4.2L L6 | 753067 | 🇺🇸 US 🇨🇦 CA | Includes: All paper gaskets, Pan gasket, Rubber O rings, Rubber Lip seals, metal clad seals, sealing rings, Friction Clutch plates, Steel Clutch Plates, Front & Rear Bushings, BandSuper Kit | View on Amazon |
Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PA CARGO Fits: 4.2L L6 | DK7700F | 🇺🇸 US 🇨🇦 CA | Master Kit | View on Amazon |
| PA CARGO Fits: 4.2L L6 | DK7700J | 🇺🇸 US 🇨🇦 CA | Master Kit | View on Amazon |
Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PA CARGO Popular Fits: 4.2L L6 | K77900F | 🇺🇸 US 🇨🇦 CA | Overhaul Kit | View on Amazon |
| PA CARGO Popular Fits: 4.2L L6 | K77900J | 🇺🇸 US 🇨🇦 CA | Overhaul Kit | View on Amazon |
| TRANSTEC Fits: 4.2L L6 | 80000149 | 🇺🇸 US 🇨🇦 CA | without PistonsDuraprene Pan Gasket | View on Amazon |
| TRANSTEC Fits: 4.2L L6 | 80000738 | 🇺🇸 US 🇨🇦 CA | without PistonsDuraprene Pan Gasket | View on Amazon |
This table covers the rebuild kits for this assembly.
9 Rebuild Kit parts are listed for the 2004 Isuzu Ascender, from PA CARGO, TRANSTEC and PIONEER. PA CARGO K77900F carries the "Popular" badge.
In the Banner Kit (Overhaul Kit + Friction Clutch Plates) grade, PA CARGO supplies 2 parts: grouped under the catalog's "Banner Kit (Overhaul Kit + Friction Clutch Plates)" designation — the notes column spells out what sets them apart. A representative part number is PA CARGO DK7700FS.
In the Deluxe Kit (Master Kit + Filter, Band & Common Bushings) grade, PIONEER supplies 1 part: grouped under the catalog's "Deluxe Kit (Master Kit + Filter, Band & Common Bushings)" designation — the notes column spells out what sets them apart. A representative part number is PIONEER 753067.
The Master Kit (Overhaul Kit + Friction & Steel Clutch Plates) section lists 2 options from PA CARGO — grouped under the catalog's "Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)" designation — the notes column spells out what sets them apart. PA CARGO DK7700F is listed in this group.
In the Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) grade, PA CARGO and TRANSTEC supply 4 parts: grouped under the catalog's "Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)" designation — the notes column spells out what sets them apart. A representative part number is PA CARGO K77900F.
This group includes PA CARGO K77900F, PA CARGO DK7700FS and PA CARGO DK7700JS and the remaining parts above.
Retaining Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8654491 | 🇺🇸 US 🇨🇦 CA | Torque Converter Seal Retaining Ring | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8642220 | 🇺🇸 US 🇨🇦 CA | Internal Reaction Gear Support Retaining Ring | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8654141 | 🇺🇸 US 🇨🇦 CA | Color: Yellow | View on Amazon |
This table covers the Retaining rings.
GM GENUINE supplies the 3 Retaining Ring parts for the 2004 Isuzu Ascender.
Part numbers include GM GENUINE 8654491, GM GENUINE 8642220 and GM GENUINE 8654141.
Roller Clutch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BORG-WARNER Fits: 4.2L L6 | 28571AM | 🇺🇸 US 🇨🇦 CA | Fits RWDLow Revers | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 24217231 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Roller clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc.
2 Roller Clutch parts are listed for the 2004 Isuzu Ascender, from BORG-WARNER and GM GENUINE.
Listed part numbers: BORG-WARNER 28571AM and GM GENUINE 24217231.
Servo Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8642979 | 🇺🇸 US 🇨🇦 CA | Includes Ring | View on Amazon |
This table covers the Servo covers.
This group shows a single part: GM GENUINE 8642979.
Servo Cover Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24208662 | 🇺🇸 US 🇨🇦 CA | 2-4 | View on Amazon |
This table covers the seals at the Servo Cover. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 24208662.
Servo Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | 7770104K | 🇺🇸 US 🇨🇦 CA | 2nd Gear "Corvette" Ratio Servo Kit | View on Amazon |
| SONNAX Fits: 4.2L L6 | 77767K | 🇺🇸 US 🇨🇦 CA | 4th Gear Super Hold Dual Servo Kit | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7791103K | 🇺🇸 US 🇨🇦 CA | 2nd Gear Super Hold Servo Kit | View on Amazon |
This table covers the Servo kits.
SONNAX supplies the 3 Servo Kit parts for the 2004 Isuzu Ascender.
Listed part numbers: SONNAX 7770104K, SONNAX 77767K and SONNAX 7791103K.
Servo Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO Fits: 4.2L L6 | 72P | 🇺🇸 US 🇨🇦 CA | Servo Piston Assembly | View on Amazon |
This table covers the pistons in a transmission servo.
This group shows a single part: TRANSGO 72P.
Servo Piston Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24207758 | 🇺🇸 US 🇨🇦 CA | 2-4 | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8642539 | 🇺🇸 US 🇨🇦 CA | 2-4PINK | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 8642273 | 🇺🇸 US 🇨🇦 CA | 2-4ORANGE | View on Amazon |
This table covers the Servo Piston springs. Typical signs include a sagging corner, a broken coil, or a clunk from the spring pocket. Replace springs in axle pairs and inspect the seats.
GM GENUINE supplies the 3 Servo Piston Spring parts for the 2004 Isuzu Ascender.
This group includes GM GENUINE 24207758, GM GENUINE 8642539 and GM GENUINE 8642273.
Shift Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Popular Fits: 4.2L L6 | Y1318 | 🇺🇸 US 🇨🇦 CA | Length: 74.25" | View on Amazon |
| GM GENUINE Popular Fits: 4.2L L6 | 15785087 | 🇺🇸 US 🇨🇦 CA | 4 Speed | View on Amazon |
| DORMAN Fits: 4.2L L6 | 905612 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PIONEER Fits: 4.2L L6 | CA1225 | 🇺🇸 US 🇨🇦 CA | Length: 74.25" | View on Amazon |
| SHEE-MAR Fits: 4.2L L6 | SM2088 | 🇺🇸 US 🇨🇦 CA | Length: 74.25" | View on Amazon |
| SKP Fits: 4.2L L6 | SKY1318 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Shift cables. Typical signs include a stretched or frayed cable, or a control that no longer reaches the end of its travel. Route the new cable through the same clips. A kinked cable binds and fails early.
6 Shift Cable parts are listed for the 2004 Isuzu Ascender, from ATP, GM GENUINE, DORMAN and 3 other brands. ATP Y1318 carries the "Popular" badge.
This group includes ATP Y1318, GM GENUINE 15785087 and DORMAN 905612 and the remaining parts above.
Shift Improvement Kit
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO Popular Fits: 4.2L L6 | SK4L60E | 🇺🇸 US 🇨🇦 CA | Shift KitFor 4L60E, 4L65E, 4L70E, 4L75E Transmissions | View on Amazon |
| PIONEER Fits: 4.2L L6 | 765022 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SONNAX Fits: 4.2L L6 | 77754TL | 🇺🇸 US 🇨🇦 CA | Tool Kit for 7775409K, 3420016K, SC4L80E and SC4L60E | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO Popular Fits: 4.2L L6 | 4L60EHD2 | 🇺🇸 US 🇨🇦 CA | Reprogramming KitWith Gear Command | View on Amazon |
| ATP Fits: 4.2L L6 | SK3 | 🇺🇸 US 🇨🇦 CA | Contains Heavy Duty Upgraded (from OE) SpringsMay Contain Spacer Plates, Spool Valves & Gaskets Depending on Revision of OE | View on Amazon |
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | HP4L60E01 | 🇺🇸 US 🇨🇦 CA | Performance Pack | View on Amazon |
| TRANSGO Fits: 4.2L L6 | 4L60EPRO | 🇺🇸 US 🇨🇦 CA | Reprogramming KitWith Gear Command | View on Amazon |
| TRANSGO Fits: 4.2L L6 | 4L60E3 | 🇺🇸 US 🇨🇦 CA | Reprogramming KitWith Manual Shift Control or Gear Command Option | View on Amazon |
This table covers the Shift Improvement kits.
8 Shift Improvement Kit parts for the 2004 Isuzu Ascender come from 4 brands — TRANSGO, SONNAX, PIONEER and 1 other brand. The "Popular" part is TRANSGO SK4L60E.
In the Daily Driver grade, TRANSGO, PIONEER and SONNAX supply 3 parts: grouped for everyday commuting duty. A representative part number is TRANSGO SK4L60E.
In the Heavy Duty grade, TRANSGO and ATP supply 2 parts: rated for severe service. A representative part number is TRANSGO 4L60EHD2.
The High Performance section lists 3 options from TRANSGO and SONNAX — engineered beyond original-equipment specification. SONNAX HP4L60E01 is listed in this group.
Listed part numbers: TRANSGO SK4L60E, PIONEER 765022 and SONNAX 77754TL, plus the other parts above.
Shift Interlock Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 88967140 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Shift Interlock solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
This group shows a single part: GM GENUINE 88967140.
Shift Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Fits: 4.2L L6 | 8792S | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| SCHAEFFLER Fits: 4.2L L6 | SS2114 | 🇺🇸 US 🇨🇦 CA | 4.75 mm WidthNitrile | View on Amazon |
| TIMKEN Fits: 4.2L L6 | 710545 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the seals at the Shift Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
3 Shift Shaft Seal parts are listed for the 2004 Isuzu Ascender, from ACDELCO, SCHAEFFLER and TIMKEN.
Listed part numbers: ACDELCO 8792S, SCHAEFFLER SS2114 and TIMKEN 710545.
Shift Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular Fits: 4.2L L6 | 24230298 | 🇺🇸 US 🇨🇦 CA | Includes SealMounting Bracket Included: No | View on Amazon |
| ROSTRA Popular Fits: 4.2L L6 | 520251 | 🇺🇸 US 🇨🇦 CA | 3-2 Downshift on/off solenoid | View on Amazon |
| ATP Fits: 4.2L L6 | CE15 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| GM GENUINE Fits: 4.2L L6 | 24212327 | 🇺🇸 US 🇨🇦 CA | 3-2 | View on Amazon |
| PA CARGO Fits: 4.2L L6 | 77945 | 🇺🇸 US 🇨🇦 CA | General Motors trans.Trans. code 4L60-E | View on Amazon |
| PA CARGO Fits: 4.2L L6 | K77929U | 🇺🇸 US 🇨🇦 CA | General Motors trans.Trans. code 4L60-E | View on Amazon |
| PA CARGO Fits: 4.2L L6 | 77926 | 🇺🇸 US 🇨🇦 CA | General Motors trans.Trans. code 4L60-E | View on Amazon |
| ROSTRA Fits: 4.2L L6 | 520348 | 🇺🇸 US 🇨🇦 CA | Shift A Solenoid On/Off | View on Amazon |
This table covers the Shift solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
8 Shift Solenoid parts are listed for the 2004 Isuzu Ascender, from PA CARGO, GM GENUINE, ROSTRA and 1 other brand. GM GENUINE 24230298 carries the "Popular" badge.
Listed part numbers: GM GENUINE 24230298, ROSTRA 520251 and ATP CE15, plus the other parts above.
Shift Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | 7775441 | 🇺🇸 US 🇨🇦 CA | RemanHeavy Duty 2-3 Shift Valve | View on Amazon |
This table covers the Shift valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
This group shows a single part: SONNAX 7775441.
Sprag
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 19432708 | 🇺🇸 US 🇨🇦 CA | Forward | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 19432709 | 🇺🇸 US 🇨🇦 CA | Forward | View on Amazon |
This table covers the one-way sprag clutches in the transmission.
GM GENUINE supplies both parts for the 2004 Isuzu Ascender.
Listed part numbers: GM GENUINE 19432708 and GM GENUINE 19432709.
Stator Support Shaft Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | 77002BT01 | 🇺🇸 US 🇨🇦 CA | Rear Stator Support Bushing | View on Amazon |
This table covers the Stator Support Shaft bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
This group shows a single part: SONNAX 77002BT01.
Sun Gear Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8642162 | 🇺🇸 US 🇨🇦 CA | INPUT | View on Amazon |
This table covers the Sun Gear bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 8642162.
Sun Gear Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND Fits: 4.2L L6 | 02776 | 🇺🇸 US 🇨🇦 CA | Input Sun Gear (Front & Rear) | View on Amazon |
| DURA-BOND Fits: 4.2L L6 | GMT33A | 🇺🇸 US 🇨🇦 CA | Rear Sun Gear (Wide) | View on Amazon |
| DURA-BOND Fits: 4.2L L6 | GMT33 | 🇺🇸 US 🇨🇦 CA | Rear Sun Gear | View on Amazon |
| PIONEER Fits: 4.2L L6 | 755053 | 🇺🇸 US 🇨🇦 CA | Reaction Sun GearRear | View on Amazon |
This table covers the Sun Gear bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
4 Sun Gear Bushing parts are listed for the 2004 Isuzu Ascender, from DURA-BOND and PIONEER.
Part numbers include DURA-BOND 02776, DURA-BOND GMT33A and DURA-BOND GMT33, among others listed above.
Sun Gear Shell
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24229604 | 🇺🇸 US 🇨🇦 CA | HEAT TREATED | View on Amazon |
| GM GENUINE Fits: 4.2L L6 | 19258702 | 🇺🇸 US 🇨🇦 CA | Induction Hardened | View on Amazon |
| SONNAX Fits: 4.2L L6 | 7774902K | 🇺🇸 US 🇨🇦 CA | Smart Shell® Heavy Duty Reaction Shell Kit | View on Amazon |
This table covers the shells that carry the sun gear.
3 Sun Gear Shell parts are listed for the 2004 Isuzu Ascender, from GM GENUINE and SONNAX.
This group includes GM GENUINE 24229604, GM GENUINE 19258702 and SONNAX 7774902K.
Torque Converter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TC REMANUFACTURING Fits: 4.2L L6 | B85VJCX | 🇺🇸 US | Converter Codes: 24215557, 24224075, 24228392, 24228708, 24238578, 24240603, JCXB, VJCK, VJCX11.00" Bolt Circle | View on Amazon |
This table covers the Torque converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering.
This group shows a single part: TC REMANUFACTURING B85VJCX.
Torque Converter / Bell Housing Components
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24246172 | 🇺🇸 US 🇨🇦 CA | Mortorx Spiral DriveM10X1.2X45 | View on Amazon |
This table covers the hardware around the torque converter and bellhousing.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 24246172.
Torque Converter Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 11589040 | 🇺🇸 US 🇨🇦 CA | M10X1.5X22 | View on Amazon |
This table covers the Torque Converter bolts.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 11589040.
Torque Converter Clutch Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Popular Fits: 4.2L L6 | CE14 | 🇺🇸 US 🇨🇦 CA | Lock-Up - 2-3 Shift | View on Amazon |
| PA CARGO Popular Fits: 4.2L L6 | 77942 | 🇺🇸 US 🇨🇦 CA | General Motors trans.Trans. code 4L60-E | View on Amazon |
| ATP Fits: 4.2L L6 | CE2 | 🇺🇸 US 🇨🇦 CA | A & B Shift - Lock-Up, Not Pulse-Width-Modulated - Shift 1-2, 3-41-2 Required | View on Amazon |
| ATP Fits: 4.2L L6 | CE1 | 🇺🇸 US 🇨🇦 CA | Includes: (2) Screw Nuts, (2) Lock Nuts | View on Amazon |
| ATP Fits: 4.2L L6 | JE8 | 🇺🇸 US 🇨🇦 CA | Lock-Up, TCC/PWM - 3-2 Shift1- Round Black Connector | View on Amazon |
| PIONEER Fits: 4.2L L6 | 771023 | 🇺🇸 US 🇨🇦 CA | A & B ShiftLock-Up, Not Pulse-Width-Modulated | View on Amazon |
| PIONEER Fits: 4.2L L6 | 771059 | 🇺🇸 US 🇨🇦 CA | Lock-up2-3 shift | View on Amazon |
| PIONEER Fits: 4.2L L6 | 771003 | 🇺🇸 US 🇨🇦 CA | Includes (2) Screw Nuts, (2) Lock Nuts | View on Amazon |
| PIONEER Fits: 4.2L L6 | 771060 | 🇺🇸 US 🇨🇦 CA | Lock-Up, TCC/PWM3-2 Shift | View on Amazon |
| ROSTRA Fits: 4.2L L6 | 520322 | 🇺🇸 US 🇨🇦 CA | TCC Anti-Bleed Solenoid with Quick Link Connectors | View on Amazon |
This table covers the Torque Converter Clutch solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
10 Torque Converter Clutch Solenoid parts for the 2004 Isuzu Ascender come from 4 brands — ATP, PIONEER, PA CARGO and 1 other brand. The "Popular" part is ATP CE14.
Torque Converter Clutch Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO Fits: 4.2L L6 | 4L6ISO3 | 🇺🇸 US 🇨🇦 CA | TCC Lock-up Isolator Valves (Oversized) | View on Amazon |
This table covers the Torque Converter Clutch valves. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one.
One part is listed for the 2004 Isuzu Ascender — TRANSGO 4L6ISO3.
Torque Converter Clutch Valve Stop
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 8634705 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Torque Converter Clutch Valve stops.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 8634705.
Torque Converter Hardware
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 4.2L L6 | 14099 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the fasteners that mount the torque converter.
This group shows a single part: DORMAN 14099.
Torque Converter Housing Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24205899 | 🇺🇸 US 🇨🇦 CA | 28mm with 3 TangsSmall Cover | View on Amazon |
This table covers the Torque Converter Housing plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 24205899.
Torque Converter Pulse Width Modulation (PWM) Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24227792 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Torque Converter Pulse Width Modulation (PWM) solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
One part is listed for the 2004 Isuzu Ascender — GM GENUINE 24227792.
Torque Converter Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER Fits: 4.2L L6 | SR3496 | 🇺🇸 US 🇨🇦 CA | with 1.750 In Shaft | View on Amazon |
This table covers the wear sleeves used to restore a Torque Converter seal surface.
One part is listed for the 2004 Isuzu Ascender — SCHAEFFLER SR3496.
Torque Converter Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24202535 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TIMKEN Fits: 4.2L L6 | 4950 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| TRANSTEC Fits: 4.2L L6 | 81000837 | 🇺🇸 US 🇨🇦 CA | Housing Seal | View on Amazon |
This table covers the seals at the Torque Converter Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
3 Torque Converter Shaft Seal parts are listed for the 2004 Isuzu Ascender, from GM GENUINE, TIMKEN and TRANSTEC.
This group includes GM GENUINE 24202535, TIMKEN 4950 and TRANSTEC 81000837.
Transmission Fluid
Dexron
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: 4.2L L6 | 123130 | 🇺🇸 US 🇨🇦 CA | ATF D/M1 Quart | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: 4.2L L6 | 126505 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle ATF | View on Amazon |
| VALVOLINE Popular Fits: 4.2L L6 | VV3246 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| ATP Fits: 4.2L L6 | AT216 | 🇺🇸 US 🇨🇦 CA | Synthetic Multi-Vehicle Automatic Transmission Fluid1 Quart | View on Amazon |
| LUBEGARD Fits: 4.2L L6 | 69032 | 🇺🇸 US 🇨🇦 CA | 1 QuartComplete Full Synthetic ATF Fluid | View on Amazon |
| MOBIL Fits: 4.2L L6 | 112980 | 🇺🇸 US 🇨🇦 CA | Synthetic ATF | View on Amazon |
| VALVOLINE Fits: 4.2L L6 | 773775 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE Fits: 4.2L L6 | 881051 | 🇺🇸 US 🇨🇦 CA | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
ZF Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ZF Fits: 4.2L L6 | 5961308623 | 🇺🇸 US 🇨🇦 CA | ZF Lifeguard Fluid 6.1 ATFincludes 1 L Bottle | View on Amazon |
This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid.
9 Transmission Fluid parts for the 2004 Isuzu Ascender come from 5 brands — MOBIL, VALVOLINE, ATP and 2 other brands. The "Popular" part is MOBIL 126505.
The Dexron section lists 1 option from MOBIL — grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. MOBIL 123130 is listed in this group.
The Multi-Vehicle section lists 7 options from VALVOLINE, MOBIL, ATP and 1 other brand — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. MOBIL 126505 is listed in this group.
The ZF Fluid section lists 1 option from ZF — grouped under the catalog's "ZF Fluid" designation — the notes column spells out what sets them apart. ZF 5961308623 is listed in this group.
Listed part numbers: MOBIL 126505, MOBIL 123130 and VALVOLINE VV3246, plus the other parts above.
Transmission Fluid Additive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD Popular Fits: 4.2L L6 | 19610 | 🇺🇸 US 🇨🇦 CA | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Popular Fits: 4.2L L6 | 60902 | 🇺🇸 US 🇨🇦 CA | Automatic Transmission Fluid Protectant10 oz | View on Amazon |
| LUBEGARD Fits: 4.2L L6 | 19689 | 🇺🇸 US 🇨🇦 CA | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Fits: 4.2L L6 | 63010 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant10 oz | View on Amazon |
| LUBEGARD Fits: 4.2L L6 | 63016 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant15 oz | View on Amazon |
| LUBEGARD Fits: 4.2L L6 | 63032 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant32 oz | View on Amazon |
This table covers the conditioners and additives used with this transmission fluid.
6 Transmission Fluid Additive parts for the 2004 Isuzu Ascender come from LUBEGARD. The "Popular" part is LUBEGARD 19610.
Listed part numbers: LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689, plus the other parts above.
Transmission Mount
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTO EXTRA Fits: 4.2L L6 | 3027 | 🇺🇸 US 🇨🇦 CA | RearAuto Trans Mount | View on Amazon |
| SKP Fits: 4.2L L6 | SKM3027 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| ULTRA-POWER Fits: 4.2L L6 | 3027 | 🇺🇸 US 🇨🇦 CA | RearAUTO TRANS MOUNT | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Popular Fits: 4.2L L6 | 3027 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| DEA / MARMON RIDE CONTROL Popular Fits: 4.2L L6 | A3027 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PIONEER Fits: 4.2L L6 | 623027 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WESTAR Fits: 4.2L L6 | EM3027 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the mounts that hold the transmission to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
7 Transmission Mount parts are listed for the 2004 Isuzu Ascender, from AUTO EXTRA, SKP, ULTRA-POWER and 4 other brands. ANCHOR 3027 carries the "Popular" badge.
In the Economy grade, AUTO EXTRA, SKP and ULTRA-POWER supply 3 parts: the catalog's value-priced group. A representative part number is AUTO EXTRA 3027.
The Standard Replacement section lists 4 options from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand — built to original-equipment specification. ANCHOR 3027 is listed in this group.
This group includes ANCHOR 3027 and SKP SKM3027 and the remaining parts above.
Turbine Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24212987 | 🇺🇸 US 🇨🇦 CA | Color: Red | View on Amazon |
This table covers the seals at the Turbine Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
This group shows a single part: GM GENUINE 24212987.
Valve Body
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 19434977 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| PA CARGO Fits: 4.2L L6 | GM4643 | 🇺🇸 US 🇨🇦 CA | Reman. | View on Amazon |
| SONNAX Fits: 4.2L L6 | GM051 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
This table covers the valve bodies that route hydraulic pressure inside the transmission.
3 Valve Body parts for the 2004 Isuzu Ascender come from 3 brands — GM GENUINE, PA CARGO and SONNAX.
Listed part numbers: GM GENUINE 19434977, PA CARGO GM4643 and SONNAX GM051.
Valve Body Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24221350 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| PIONEER Fits: 4.2L L6 | 749365 | 🇺🇸 US 🇨🇦 CA | upper & lower | View on Amazon |
This table covers the gaskets that seal the Valve Body. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Valve Body Gasket parts are listed for the 2004 Isuzu Ascender, from GM GENUINE and PIONEER.
Listed part numbers: GM GENUINE 24221350 and PIONEER 749365.
Valve Body Separator Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Fits: 4.2L L6 | 24241782 | 🇺🇸 US 🇨🇦 CA | 4 Speed | View on Amazon |
| TRANSGO Fits: 4.2L L6 | 46PLT96 | 🇺🇸 US 🇨🇦 CA | General Motors trans. | View on Amazon |
This table covers the Valve Body Separator plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts.
2 Valve Body Separator Plate parts are listed for the 2004 Isuzu Ascender, from GM GENUINE and TRANSGO.
Part numbers include GM GENUINE 24241782 and TRANSGO 46PLT96.
Valve Body Vacuum Tester
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Fits: 4.2L L6 | 77754VTP | 🇺🇸 US 🇨🇦 CA | Vacuum Test Plate KitFor GM 4L60-E, 4L65-E and 4L70-E Units | View on Amazon |
This table covers the testers used to diagnose a valve body.
This group shows a single part: SONNAX 77754VTP.
Buying Automatic Transmission Parts for a 2004 Isuzu Ascender
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- Match the engine first. Every automatic transmission part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Filter and Components .
Frequently Asked Questions
How many automatic transmission parts fit the 2004 Isuzu Ascender?
Our catalog currently lists 373 automatic transmission parts for the 2004 Isuzu Ascender across 114 subcategories and 45 brands, covering both the 4.2L L6 and the 5.3L V8. Each part is matched to the engine(s) it fits.
Do automatic transmission parts differ between 2004 Isuzu Ascender engines?
Yes. Every automatic transmission part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of automatic transmission problems on a 2004 Isuzu Ascender?
Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2004 Isuzu Ascender was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2004 Isuzu Ascender?
First match the engine — each row shows which engine(s) the part fits. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2004 Isuzu Ascender
Automatic Transmission Parts for Other Isuzu Ascender Years
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