239 Automatic transmission parts are listed for the 2018 GMC Acadia, in 75 part types, covering the 3.6L V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The automatic transmission on the 2018 GMC Acadia covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. The largest groups are Transmission Fluid (19 parts), Clutch Plate (16 parts) and Transmission Mount (15 parts). The other 72 part types cover the remaining 189 parts.
Every part on this page is matched to the 3.6L V6 — the only engine offered in the 2018 GMC Acadia.
The most listed brands for 2018 GMC Acadia automatic transmission parts are GM GENUINE (113 parts), NATIONAL (9 parts) and SONNAX (9 parts), plus 31 more brands. Quality grades include Standard Replacement, Friction and Multi-Vehicle.
34 parts on this 2018 GMC Acadia page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GM GENUINE 24223803 (Clutch Pack Piston) and GM GENUINE 24225208 (Clutch Pack Piston Dam / Seal). Click any part number to see every vehicle that part fits.
Accumulator Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO | 6T40PDPOS | 🇺🇸 US 🇨🇦 CA | Pulse Dampeners (Oversized Accumulators) for General Motors 6T30, 6T40, 6T45, 6T50 GEN2 and GEN3 | View on Amazon |
| TRANSGO | 6T70PDPOS | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pulse Dampeners (Oversized Accumulators) for General Motors 6T70, 6T75, 6T80 GEN1 and GEN2 | View on Amazon |
This table covers the pistons inside a transmission accumulator.
TRANSGO supplies both parts for the 2018 GMC Acadia.
Listed part numbers: TRANSGO 6T40PDPOS and TRANSGO 6T70PDPOS.
Automatic Transmission Control Unit (TCU)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 609009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70 | View on Amazon |
| GM GENUINE | 24275870 | 🇺🇸 US 🇨🇦 CA | Reman. | View on Amazon |
This table covers the control units that command automatic-transmission shifts.
2 Automatic Transmission Control Unit (TCU) parts are listed for the 2018 GMC Acadia, from DORMAN and GM GENUINE.
Part numbers include DORMAN 609009 and GM GENUINE 24275870.
Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | 25032A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70Converter Reactor (Rear) | 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.
This group shows a single part: DURA-BOND 25032A.
Bushing Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | TKCF1 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70 | View on Amazon |
This table covers the Bushing kits.
This group shows a single part: DURA-BOND TKCF1.
Carrier Thrust Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24229214 | 🇺🇸 US 🇨🇦 CA | InputTrans.Code 6T70 | View on Amazon |
This table covers the 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.
This group shows a single part: GM GENUINE 24229214.
Case
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24273514 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the transmission or transfer-case housings.
This group shows a single part: GM GENUINE 24273514.
Case Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24260085 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the Case covers.
One part is listed for the 2018 GMC Acadia — GM GENUINE 24260085.
Case Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24237724 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the gaskets that seal the Case. 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 2018 GMC Acadia — GM GENUINE 24237724.
Clutch Apply Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24056121 | 🇺🇸 US 🇨🇦 CA | Outside Diameter: 236.45 mm | 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.
One part is listed for the 2018 GMC Acadia — GM GENUINE 24056121.
Clutch Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24260036 | 🇺🇸 US 🇨🇦 CA | 3-5, 4-5-6, ReverseTrans.Code 6T70 | View on Amazon |
This table covers the Clutch housings.
This group shows a single part: GM GENUINE 24260036.
Clutch Housing Thrust Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24225404 | 🇺🇸 US 🇨🇦 CA | Clutch Hub Thrust Bearing | View on Amazon |
| GM GENUINE | 24223829 | 🇺🇸 US 🇨🇦 CA | Clutch Hub Thrust Bearing | 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.
2 Clutch Housing Thrust Bearing parts for the 2018 GMC Acadia come from GM GENUINE.
This group includes GM GENUINE 24225404 and GM GENUINE 24223829.
Clutch Pack Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24223803 | 🇺🇸 US 🇨🇦 CA | 3-5, ReverseTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24259953 | 🇺🇸 US 🇨🇦 CA | 4-5-6Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24223887 | 🇺🇸 US 🇨🇦 CA | 2-6Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24258508 | 🇺🇸 US 🇨🇦 CA | 1-2-3-4Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24223884 | 🇺🇸 US 🇨🇦 CA | Low / ReverseTrans.Code 6T70 | View on Amazon |
This table covers the pistons that apply a clutch pack.
GM GENUINE supplies the 5 Clutch Pack Piston parts for the 2018 GMC Acadia. GM GENUINE 24223803 carries the "Popular" badge.
Part numbers include GM GENUINE 24223803, GM GENUINE 24259953 and GM GENUINE 24223887, among others listed above.
Clutch Pack Piston Dam / Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24225208 | 🇺🇸 US 🇨🇦 CA | Black | View on Amazon |
| GM GENUINE Popular | 24231514 | 🇺🇸 US 🇨🇦 CA | 4-5-6Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24234206 | 🇺🇸 US 🇨🇦 CA | 4-5-6 OuterTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24234207 | 🇺🇸 US 🇨🇦 CA | 4-5-6 InnerTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24232347 | 🇺🇸 US 🇨🇦 CA | 3-5, Reverse (Inner)Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24225209 | 🇺🇸 US 🇨🇦 CA | 3-5, ReverseTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24224004 | 🇺🇸 US 🇨🇦 CA | 4-5-6 OuterTrans.Code 6T70 | 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.
GM GENUINE supplies the 7 Clutch Pack Piston Dam / Seal parts for the 2018 GMC Acadia. GM GENUINE 24225208 carries the "Popular" badge.
This group includes GM GENUINE 24225208, GM GENUINE 24231514 and GM GENUINE 24234206 and the remaining parts above.
Clutch Plate
Backing Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24223717 | 🇺🇸 US 🇨🇦 CA | 2-6Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24233990 | 🇺🇸 US 🇨🇦 CA | Low / ReverseTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24236516 | 🇺🇸 US 🇨🇦 CA | 3-5, ReverseTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24223827 | 🇺🇸 US 🇨🇦 CA | 4-5-6Trans.Code 6T70 | View on Amazon |
Friction
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24258074 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| GM GENUINE Popular | 24258072 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| GM GENUINE | 24258075 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| GM GENUINE | 24264338 | 🇺🇸 US 🇨🇦 CA | Contains 4 Plates and Instructions | View on Amazon |
| GM GENUINE | 24264339 | 🇺🇸 US 🇨🇦 CA | 4-5-6Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24264337 | 🇺🇸 US 🇨🇦 CA | 2-6Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24264336 | 🇺🇸 US 🇨🇦 CA | 1-2-3-44WD | View on Amazon |
| GM GENUINE | 24258073 | 🇺🇸 US 🇨🇦 CA | Steel | View on Amazon |
| GM GENUINE | 24264340 | 🇺🇸 US 🇨🇦 CA | Low / ReverseTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24258076 | 🇺🇸 US 🇨🇦 CA | SteelFriction Plate: No | View on Amazon |
Wave Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24258504 | 🇺🇸 US 🇨🇦 CA | 3-5, ReverseTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24258507 | 🇺🇸 US 🇨🇦 CA | 1-2-3-4Trans.Code 6T70 | 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.
GM GENUINE supplies the 16 Clutch Plate parts for the 2018 GMC Acadia. GM GENUINE 24223717 carries the "Popular" badge.
The Backing Plate section lists 4 options from GM GENUINE — grouped under the catalog's "Backing Plate" designation — the notes column spells out what sets them apart. GM GENUINE 24223717 is listed in this group.
In the Friction grade, GM GENUINE supplies 10 parts: grouped under the catalog's "Friction" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 24258074.
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 24258504 is listed in this group.
Clutch Plate Pack
Friction Plate Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24264341 | 🇺🇸 US 🇨🇦 CA | Clutch Plate Kit with Friction Plates | View on Amazon |
| RAYBESTOS POWERTRAIN | RCP96327 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70 2nd Generation | View on Amazon |
| RAYBESTOS POWERTRAIN | RCPS56 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Stage-1 Performance Module | View on Amazon |
| RAYBESTOS POWERTRAIN | RHT96326 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T50 3rd Generation | View on Amazon |
Steel Plate Pack
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN | STMGM25 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T50Steel Module 3rd Generation | View on Amazon |
| RAYBESTOS POWERTRAIN | STMGM26 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70Steel Module 2nd Generation | View on Amazon |
This table covers the clutch-plate packs inside the transmission or transfer case.
6 Clutch Plate Pack parts for the 2018 GMC Acadia come from 2 brands — RAYBESTOS POWERTRAIN and GM GENUINE. The "Popular" part is GM GENUINE 24264341.
In the Friction Plate Pack grade, RAYBESTOS POWERTRAIN and GM GENUINE supply 4 parts: grouped under the catalog's "Friction Plate Pack" designation — the notes column spells out what sets them apart. A representative part number is GM GENUINE 24264341.
The Steel Plate Pack section lists 2 options from RAYBESTOS POWERTRAIN — grouped under the catalog's "Steel Plate Pack" designation — the notes column spells out what sets them apart. RAYBESTOS POWERTRAIN STMGM25 is listed in this group.
Part numbers include GM GENUINE 24264341, RAYBESTOS POWERTRAIN RCP96327 and RAYBESTOS POWERTRAIN RCPS56, among others listed above.
Clutch Plate Retaining Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24264164 | 🇺🇸 US 🇨🇦 CA | 3-5, ReverseTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24263705 | 🇺🇸 US 🇨🇦 CA | 4-5-6Trans.Code 6T70 | View on Amazon |
This table covers the Clutch Plate Retaining rings.
2 Clutch Plate Retaining Ring parts for the 2018 GMC Acadia come from GM GENUINE.
Part numbers include GM GENUINE 24264164 and GM GENUINE 24263705.
Clutch Seal Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24237428 | 🇺🇸 US 🇨🇦 CA | 3-5-Reverse and 4-5-6Trans.Code 6T70 | View on Amazon |
This table covers the Clutch Seal rings.
This group shows a single part: GM GENUINE 24237428.
Clutch Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24243887 | 🇺🇸 US 🇨🇦 CA | 3-5, ReverseTrans.Code 6T70 | View on Amazon |
| GM GENUINE Popular | 24228952 | 🇺🇸 US 🇨🇦 CA | Material Thickness (mm): 0.75 mm | View on Amazon |
| GM GENUINE | 24257481 | 🇺🇸 US 🇨🇦 CA | 4-5-6Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24233792 | 🇺🇸 US 🇨🇦 CA | Height: 0.3 In | View on Amazon |
| GM GENUINE | 24234627 | 🇺🇸 US 🇨🇦 CA | 1-2-3-4Trans.Code 6T70 | View on Amazon |
| GM GENUINE | 24258509 | 🇺🇸 US 🇨🇦 CA | Height: .2 In | View on Amazon |
| GM GENUINE | 24258501 | 🇺🇸 US 🇨🇦 CA | Material Thickness (mm): 1.41 mm | 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.
7 Clutch Spring parts for the 2018 GMC Acadia come from GM GENUINE. The "Popular" part is GM GENUINE 24243887.
This group includes GM GENUINE 24243887, GM GENUINE 24228952 and GM GENUINE 24257481 and the remaining parts above.
Clutch Support
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24237074 | 🇺🇸 US 🇨🇦 CA | Low / ReverseTrans.Code 6T70 | View on Amazon |
This table covers the Clutch supports.
This group shows a single part: GM GENUINE 24237074.
Detent Lever
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24276217 | 🇺🇸 US 🇨🇦 CA | Trans. Code 6T706 Speed | View on Amazon |
This table covers the detent levers that hold a shifter in gear.
This group shows a single part: GM GENUINE 24276217.
Dipstick / Fluid Filler Tube
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 918663 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dipstick Only | View on Amazon |
| GM GENUINE | 24224022 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
| GM GENUINE | 24225190 | 🇺🇸 US 🇨🇦 CA | Dipstick Only | View on Amazon |
This table covers the Dipstick / Fluid Filler tubes.
3 Dipstick / Fluid Filler Tube parts for the 2018 GMC Acadia come from 2 brands — GM GENUINE and DORMAN.
This group includes DORMAN 918663, GM GENUINE 24224022 and GM GENUINE 24225190.
Dipstick / Fluid Filler Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24238738 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | 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 2018 GMC Acadia — GM GENUINE 24238738.
Drive Chain
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24077756 | 🇺🇸 US 🇨🇦 CA | SLE Model or SLT ModelFluid Pump | View on Amazon |
This table covers the drive chains in the transfer case or oil pump.
One part is listed for the 2018 GMC Acadia — GM GENUINE 24077756.
Drive Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24223985 | 🇺🇸 US 🇨🇦 CA | Trans. Code 6T706 Speed | View on Amazon |
This table covers the Drive sprockets.
One part is listed for the 2018 GMC Acadia — GM GENUINE 24223985.
Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PT99193 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70 | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RAYBESTOS POWERTRAIN | 515192 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70 | View on Amazon |
| RAYBESTOS POWERTRAIN | 515696 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T50GEN 3 | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PA CARGO | 104710 | 🇺🇸 US 🇨🇦 CA | Internal filter | 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.
4 Filter parts for the 2018 GMC Acadia come from 3 brands — RAYBESTOS POWERTRAIN, VARIOUS MFR and PA CARGO.
The Economy section lists 1 option from VARIOUS MFR — the catalog's value-priced group. VARIOUS MFR PT99193 is listed in this group.
In the Standard Replacement grade, RAYBESTOS POWERTRAIN supplies 2 parts: built to original-equipment specification. A representative part number is RAYBESTOS POWERTRAIN 515192.
1 further part sits outside the graded sections, with the same engine-level match.
This group includes VARIOUS MFR PT99193, RAYBESTOS POWERTRAIN 515192 and RAYBESTOS POWERTRAIN 515696 and the remaining parts above.
Filter Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24238679 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 Speed Automatic Trans. | 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 2018 GMC Acadia — GM GENUINE 24238679.
Flexplate Mounting Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11588468 | 🇺🇸 US 🇨🇦 CA | M10X1.5X15,10.9 | View on Amazon |
This table covers the Flexplate Mounting bolts.
One part is listed for the 2018 GMC Acadia — GM GENUINE 11588468.
Fluid Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TYC Popular | 19116 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Towing Package | View on Amazon |
| DORMAN | 918646 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Heavy Duty Cooling | View on Amazon |
| GM GENUINE | 84208511 | 🇺🇸 US 🇨🇦 CA | Trailer Provisions (V92) | View on Amazon |
| TECHPRO | GM4050122 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VARIOUS MFR | GM4050122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the heat exchangers that cool transmission fluid. Typical signs include fluid that overheats, a leak at the cooler fittings, or milky fluid that says coolant and ATF have mixed. Flush the lines when you replace a cooler. Cross-contamination is how a small leak becomes a transmission job.
5 Fluid Cooler parts for the 2018 GMC Acadia come from 5 brands — TYC, DORMAN, GM GENUINE and 2 other brands. The "Popular" part is TYC 19116.
Part numbers include TYC 19116, DORMAN 918646 and GM GENUINE 84208511, among others listed above.
Fluid Cooler Control Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84132337 | 🇺🇸 US 🇨🇦 CA | Trans. Code 6T706 Speed | View on Amazon |
This table covers the Fluid Cooler Control 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 2018 GMC Acadia — GM GENUINE 84132337.
Fluid Cooler Line / Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 624712 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Outlet | View on Amazon |
| DORMAN Popular | 624233 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Inlet from Radiator (Lower) to Transmission | View on Amazon |
| GM GENUINE | 23100571 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
| GM GENUINE | 23277641 | 🇺🇸 US 🇨🇦 CA | InletSLE Model or SLT Model | View on Amazon |
| GM GENUINE | 23277642 | 🇺🇸 US 🇨🇦 CA | OutletSLE Model or SLT Model | View on Amazon |
| GM GENUINE | 84132342 | 🇺🇸 US 🇨🇦 CA | Auxiliary OutletSLE Model or SLT Model | View on Amazon |
| GM GENUINE | 84132343 | 🇺🇸 US 🇨🇦 CA | Auxiliary InletSLE Model or SLT Model | View on Amazon |
| SUNSONG | 5801963 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Inlet from Radiator (Lower) To Transmissionwithout Heavy Duty Transmission Oil Cooler | View on Amazon |
| SUNSONG | 5801983 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Outlet From Radiator (Upper)without Auxiliary Transmission Oil Cooler | View on Amazon |
| SUNSONG | 5801961 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Outletwithout Heavy Duty Cooling | 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.
10 Fluid Cooler Line / Hose parts for the 2018 GMC Acadia come from 3 brands — GM GENUINE, SUNSONG and DORMAN. The "Popular" part is DORMAN 624712.
Fluid Cooler Line / Hose Connector
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 15226661 | 🇺🇸 US 🇨🇦 CA | End Fitting | View on Amazon |
| GM GENUINE | 19210848 | 🇺🇸 US 🇨🇦 CA | End 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.
GM GENUINE supplies both parts for the 2018 GMC Acadia.
Listed part numbers: GM GENUINE 15226661 and GM GENUINE 19210848.
Fluid Cooler Line Clip
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24205103 | 🇺🇸 US 🇨🇦 CA | SLE Model or SLT ModelExc. Trailer Provisions (V92) | View on Amazon |
| DORMAN | 14152 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 18 MM Diameter | View on Amazon |
| GM GENUINE | 95929524 | 🇺🇸 US 🇨🇦 CA | Hose & Tube Assembly Clip | View on Amazon |
| GM GENUINE | 11546932 | 🇺🇸 US 🇨🇦 CA | Fits with Insert, Holds Two 9.5 DIA Tubes, Fits 8.0 DIA HoleHeavy Duty Cooling (V08) | View on Amazon |
| GM GENUINE | 96953677 | 🇺🇸 US 🇨🇦 CA | Trans. Code 6T506 Speed | View on Amazon |
This table covers the Fluid Cooler Line clips.
5 Fluid Cooler Line Clip parts for the 2018 GMC Acadia come from 2 brands — GM GENUINE and DORMAN. The "Popular" part is GM GENUINE 24205103.
This group includes GM GENUINE 24205103, DORMAN 14152 and GM GENUINE 95929524 and the remaining parts above.
Fluid Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 265886 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T50 | View on Amazon |
| DORMAN | 265909 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70 | View on Amazon |
| SKP | SK265909 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70 | View on Amazon |
| SPECTRA PREMIUM | TP0909 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70 | View on Amazon |
This table covers the pans that hold automatic-transmission fluid.
4 Fluid Pan parts are listed for the 2018 GMC Acadia, from DORMAN, SKP and SPECTRA PREMIUM.
Listed part numbers: DORMAN 265886, DORMAN 265909 and SKP SK265909, plus the other parts above.
Fluid Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24265727 | 🇺🇸 US 🇨🇦 CA | Mount Hole Diameter (In): 0.276 IN | 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 24265727.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24225580 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
| ELRING | 201030 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits FWDDenali | View on Amazon |
| ELRING | 782090 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits FWDDenali | View on Amazon |
| ELRING | 318330 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: AEM (Ethylene Acrylate Rubber) | View on Amazon |
| ELRING | B18300 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: FPM (Fluoride Rubber) | 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.
5 Fluid Pump Seal parts are listed for the 2018 GMC Acadia, from ELRING and GM GENUINE. GM GENUINE 24225580 carries the "Popular" badge.
Listed part numbers: GM GENUINE 24225580, ELRING 201030 and ELRING 782090, plus the other parts above.
Input Carrier
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24240350 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the input carriers in the planetary gearset.
This group shows a single part: GM GENUINE 24240350.
Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | B18300 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Material: FPM (Fluoride Rubber) | 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 2018 GMC Acadia — ELRING B18300.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24256576 | 🇺🇸 US 🇨🇦 CA | Color: Black, Gray | View on Amazon |
| NATIONAL | 710544 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70General Motors trans. | View on Amazon |
| TIMKEN | 710544 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WJB / INMOTION PARTS | WS710544 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70General 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.
4 Manual Shaft Seal parts are listed for the 2018 GMC Acadia, from GM GENUINE, NATIONAL, TIMKEN and 1 other brand.
This group includes GM GENUINE 24256576 and NATIONAL 710544 and the remaining parts above.
Manual Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24223942 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | 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 24223942.
O-Rings & Seals
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 781330 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Denalior FWDDenali | View on Amazon |
| ELRING | 469663 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits In Transmission HousingFWD | View on Amazon |
| ELRING | 781550 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Valve UnitFWD | View on Amazon |
| GM GENUINE | 24076273 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the O-rings and seals at this joint.
4 O-Rings & Seals parts are listed for the 2018 GMC Acadia, from ELRING and GM GENUINE.
Listed part numbers: ELRING 781330, ELRING 469663 and ELRING 781550, plus the other parts above.
Output Carrier
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24246137 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the output carriers in the planetary gearset.
One part is listed for the 2018 GMC Acadia — GM GENUINE 24246137.
Output Shaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NS99146 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Left | View on Amazon |
| NATIONAL | 99146 | 🇺🇸 US 🇨🇦 CA | LeftTrans. code 6T50 | View on Amazon |
| WJB / INMOTION PARTS | WS99146 | 🇺🇸 US 🇨🇦 CA | LeftTrans. code 6T50 | View on Amazon |
This table covers the wear sleeves used to restore a Output Shaft seal surface.
3 Output Shaft Repair Sleeve parts for the 2018 GMC Acadia come from 3 brands — BCA, NATIONAL and WJB / INMOTION PARTS.
This group includes BCA NS99146, NATIONAL 99146 and WJB / INMOTION PARTS WS99146.
Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 710546 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftTrans. code 6T70 | View on Amazon |
| NATIONAL Popular | 710709 | 🇺🇸 US 🇨🇦 CA | LeftTrans. code 6T50 | View on Amazon |
| WJB / INMOTION PARTS Popular | WS710709 | 🇺🇸 US 🇨🇦 CA | LeftTrans. code 6T50 | View on Amazon |
| BCA | NS710546 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftTrans. code 6T70 | View on Amazon |
| BCA | NS710583 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightTrans. code 6T70 | View on Amazon |
| NATIONAL | 710583 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Helix Type: BI-Directional Lip Design | View on Amazon |
| NATIONAL | 711188 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Helix Type: BI-Directional | View on Amazon |
| SCHAEFFLER | HC6181 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightTrans. code 6T70 | View on Amazon |
| TIMKEN | 710583 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightTrans. code 6T70 | View on Amazon |
| TIMKEN | 710546 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftTrans. code 6T70 | View on Amazon |
| TIMKEN | 710709 | 🇺🇸 US 🇨🇦 CA | LeftTrans. code 6T50 | View on Amazon |
| TIMKEN | SL260364 | 🇺🇸 US 🇨🇦 CA | RightTrans. code 6T50 | View on Amazon |
| WJB / INMOTION PARTS | WS710546 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftTrans. code 6T70 | View on Amazon |
| WJB / INMOTION PARTS | WS710583 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightTrans. code 6T70 | 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.
14 Output Shaft Seal parts for the 2018 GMC Acadia come from 5 brands — NATIONAL, TIMKEN, WJB / INMOTION PARTS and 2 other brands. The "Popular" part is NATIONAL 710546.
Parking Pawl
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 24225198 | 🇺🇸 US 🇨🇦 CA | GM Original EquipmentActuating Rod | View on Amazon |
This table covers the parking pawls that lock the transmission in Park.
This group shows a single part: ACDELCO 24225198.
Plug Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 8654382 | 🇺🇸 US 🇨🇦 CA | Fits 4WDTrans.Code 6T70 | View on Amazon |
This table covers the Plug adapters.
One part is listed for the 2018 GMC Acadia — GM GENUINE 8654382.
Pressure Regulator Valve Spring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24228953 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | 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.
One part is listed for the 2018 GMC Acadia — GM GENUINE 24228953.
Reaction Carrier
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24246142 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the reaction carriers in the planetary gearset.
One part is listed for the 2018 GMC Acadia — GM GENUINE 24246142.
Reaction Internal Gear
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 24229582 | 🇺🇸 US 🇨🇦 CA | GM Original Equipment | View on Amazon |
| GM GENUINE | 24278182 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
| GM GENUINE | 24278194 | 🇺🇸 US 🇨🇦 CA | InputTrans.Code 6T70 | View on Amazon |
This table covers the Reaction Internal gears.
3 Reaction Internal Gear parts are listed for the 2018 GMC Acadia, from GM GENUINE and ACDELCO.
Listed part numbers: ACDELCO 24229582, GM GENUINE 24278182 and GM GENUINE 24278194.
Rebuild Kit
Banner Kit (Overhaul Kit + Friction Clutch Plates)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PA CARGO | DK10400S | 🇺🇸 US 🇨🇦 CA | Banner Kit | View on Amazon |
Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSTEC Popular | 81000450 | 🇺🇸 US 🇨🇦 CA | with Bonded Pistons | View on Amazon |
| PA CARGO | K104900 | 🇺🇸 US 🇨🇦 CA | Overhaul Kit | View on Amazon |
| TRANSTEC | 49373436 | 🇺🇸 US 🇨🇦 CA | without Pistons | View on Amazon |
| TRANSTEC | 81000449 | 🇺🇸 US 🇨🇦 CA | without Pistons | View on Amazon |
This table covers the rebuild kits for this assembly.
5 Rebuild Kit parts are listed for the 2018 GMC Acadia, from TRANSTEC and PA CARGO. TRANSTEC 81000450 carries the "Popular" badge.
In the Banner Kit (Overhaul Kit + Friction Clutch Plates) grade, PA CARGO supplies 1 part: 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 DK10400S.
In the Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) grade, TRANSTEC and PA CARGO 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 TRANSTEC 81000450.
Listed part numbers: TRANSTEC 81000450, PA CARGO DK10400S and PA CARGO K104900, plus the other parts above.
Retaining Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24261606 | 🇺🇸 US 🇨🇦 CA | Low / ReverseTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24225260 | 🇺🇸 US 🇨🇦 CA | ReactionTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24234636 | 🇺🇸 US 🇨🇦 CA | InputTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24225259 | 🇺🇸 US 🇨🇦 CA | OutputTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24260374 | 🇺🇸 US 🇨🇦 CA | 4-5-6Trans.Code 6T70 | View on Amazon |
This table covers the Retaining rings.
GM GENUINE supplies the 5 Retaining Ring parts for the 2018 GMC Acadia. GM GENUINE 24261606 carries the "Popular" badge.
Listed part numbers: GM GENUINE 24261606, GM GENUINE 24225260 and GM GENUINE 24234636, plus the other parts above.
Servo Piston
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PA CARGO | K10490099 | 🇺🇸 US 🇨🇦 CA | Molded piston kit | View on Amazon |
This table covers the pistons in a transmission servo.
This group shows a single part: PA CARGO K10490099.
Shift Cable
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84550887 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | 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.
One part is listed for the 2018 GMC Acadia — GM GENUINE 84550887.
Shift Cable Bracket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 23325139 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the brackets that mount the Shift Cable. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners.
One part is listed for the 2018 GMC Acadia — GM GENUINE 23325139.
Shift Improvement Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX Popular | 6T70G2ZIP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Zip Kit® | View on Amazon |
| TRANSGO Popular | SK6T70G2 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Shift KitFor 6T70/6T75 GEN2 Transmissions | View on Amazon |
| SONNAX | 6T40GEN2ZIP | 🇺🇸 US 🇨🇦 CA | Zip Kit® | View on Amazon |
| SONNAX | 6T40ZIP | 🇺🇸 US 🇨🇦 CA | Zip Kit® | View on Amazon |
| SONNAX | 6T70ZIP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Zip Kit® | View on Amazon |
| TRANSGO | SK6T40G3 | 🇺🇸 US 🇨🇦 CA | Shift Kit | View on Amazon |
This table covers the Shift Improvement kits.
6 Shift Improvement Kit parts for the 2018 GMC Acadia come from 2 brands — SONNAX and TRANSGO. The "Popular" part is SONNAX 6T70G2ZIP.
Part numbers include SONNAX 6T70G2ZIP, TRANSGO SK6T70G2 and SONNAX 6T40GEN2ZIP, among others listed above.
Shift Lever Knob
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 84661253 | 🇺🇸 US 🇨🇦 CA | Fits SLE ModelSeat Configuration # 1 (ABA) or Seat Configuration # 2 (ABB), Seat Heater (KA1), Interior Trim Color (4AA), GMC All Terrain Package (GAT) | View on Amazon |
| GM GENUINE | 84661254 | 🇺🇸 US 🇨🇦 CA | Fits SLE ModelSHALE | View on Amazon |
This table covers the knobs on the shift lever.
2 Shift Lever Knob parts for the 2018 GMC Acadia come from GM GENUINE.
Part numbers include GM GENUINE 84661253 and GM GENUINE 84661254.
Shift Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V51770112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
One part is listed for the 2018 GMC Acadia — VEMO V51770112.
Sun Gear
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 19125962 | 🇺🇸 US 🇨🇦 CA | Trans. Code 6T706 Speed | View on Amazon |
| GM GENUINE | 24242250 | 🇺🇸 US 🇨🇦 CA | OutputTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24229201 | 🇺🇸 US 🇨🇦 CA | Trans. Code 6T706 Speed | View on Amazon |
This table covers the Sun gears.
GM GENUINE supplies the 3 Sun Gear parts for the 2018 GMC Acadia.
This group includes GM GENUINE 19125962, GM GENUINE 24242250 and GM GENUINE 24229201.
Sun Gear Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24239553 | 🇺🇸 US 🇨🇦 CA | InputTrans.Code 6T70 | 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 2018 GMC Acadia — GM GENUINE 24239553.
Sun Gear Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | 25051A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70Reaction Sun Gear & Shell | View on Amazon |
| DURA-BOND | 25060A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70Output Sun Gear & Shell | 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.
DURA-BOND supplies both parts for the 2018 GMC Acadia.
Listed part numbers: DURA-BOND 25051A and DURA-BOND 25060A.
Torque Converter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24262816 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
| TC REMANUFACTURING | F74 | 🇺🇸 US | Converter Codes:7G, 7G6, 7G7, 9A8Fitment Note:4 Mounting Pads Stepped | 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.
2 Torque Converter parts for the 2018 GMC Acadia come from 2 brands — GM GENUINE and TC REMANUFACTURING.
Listed part numbers: GM GENUINE 24262816 and TC REMANUFACTURING F74.
Torque Converter Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 11588468 | 🇺🇸 US 🇨🇦 CA | M10X1.5X15,10.9 | View on Amazon |
This table covers the Torque Converter bolts.
One part is listed for the 2018 GMC Acadia — GM GENUINE 11588468.
Torque Converter Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24291361 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the Torque Converter housings.
One part is listed for the 2018 GMC Acadia — GM GENUINE 24291361.
Torque Converter Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 99204 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70General Motors trans. | View on Amazon |
| WJB / INMOTION PARTS | WS99204 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70General Motors trans. | View on Amazon |
This table covers the wear sleeves used to restore a Torque Converter seal surface.
2 Torque Converter Repair Sleeve parts are listed for the 2018 GMC Acadia, from NATIONAL and WJB / INMOTION PARTS.
Listed part numbers: NATIONAL 99204 and WJB / INMOTION PARTS WS99204.
Torque Converter Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 24249376 | 🇺🇸 US 🇨🇦 CA | Fits SLE Model or SLT ModelTrans.Code 6T70 | View on Amazon |
| NATIONAL Popular | 710561 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70General Motors trans. | View on Amazon |
| BCA | NS710561 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70 | View on Amazon |
| GM GENUINE | 24237725 | 🇺🇸 US 🇨🇦 CA | Housing SealMaterial: Rubber | View on Amazon |
| NATIONAL | 710889 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T50General Motors trans. | View on Amazon |
| SCHAEFFLER | SS61301 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T702.85" O.D. X 0.4" Width | View on Amazon |
| TIMKEN | 710561 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 2.087 in. Shaft Size2.883 in. Bore | View on Amazon |
| WJB / INMOTION PARTS | WS710889 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T50General Motors trans. | View on Amazon |
| WJB / INMOTION PARTS | WS710561 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code 6T70General Motors trans. | 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.
9 Torque Converter Shaft Seal parts are listed for the 2018 GMC Acadia, from GM GENUINE, NATIONAL, WJB / INMOTION PARTS and 3 other brands. GM GENUINE 24249376 carries the "Popular" badge.
This group includes GM GENUINE 24249376, NATIONAL 710561 and BCA NS710561 and the remaining parts above.
Transmission Fluid
ATF 64
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN | 1058113 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 LiterATF64 or ATF44 | View on Amazon |
| PENTOSIN | 1058215 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 LitersATF64 or ATF44 | View on Amazon |
Dexron
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 109394 | 🇺🇸 US | Dexron VI1 Quart | View on Amazon |
| ACDELCO Popular | 109243 | 🇺🇸 US | Container Type: Plastic Container | View on Amazon |
| MOBIL | 126411 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dexron-VI ATF | View on Amazon |
| VAICO | V600016 | 🇺🇸 US 🇨🇦 CA | Description: ATF II, ATF Dexron II D 12x 1 L | View on Amazon |
| VALVOLINE | 822405 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dexron VI/Mercon LV ATF1 Quart | View on Amazon |
| VALVOLINE | 883572 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dexron VI/Mercon LV ATF1 Gallon | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular | 126505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle ATF | View on Amazon |
| VALVOLINE Popular | VV3246 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| LIQUI MOLY | 20032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 18001 Liter | View on Amazon |
| LIQUI MOLY | 22036 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 18005 Liter | View on Amazon |
| LIQUI MOLY | 20034 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top TEC ATF 180020 Liter | View on Amazon |
| LUBEGARD | 69032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 QuartComplete Full Synthetic ATF Fluid | View on Amazon |
| LUCAS OIL | 11255 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LOW VISCOSITY SYNTHETIC MULTI-VEHICLE AUTOMATIC TRANSMISSION FLUID1 qt | View on Amazon |
| LUCAS OIL | 18037 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Low Viscosity Synthetic Multi-Vehicle Automatic Transmission Fluid6 Gallon | View on Amazon |
| VALVOLINE | 773775 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE | 881051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 899179 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic ATF1 Quart | 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.
19 Transmission Fluid parts for the 2018 GMC Acadia come from 8 brands — VALVOLINE, LIQUI MOLY, PENTOSIN and 5 other brands. The "Popular" part is ACDELCO 109394.
In the ATF 64 grade, PENTOSIN supplies 2 parts: grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. A representative part number is PENTOSIN 1058113.
The Dexron section lists 6 options from ACDELCO, VALVOLINE, MOBIL and 1 other brand — grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. ACDELCO 109394 is listed in this group.
The Multi-Vehicle section lists 10 options from VALVOLINE, LIQUI MOLY, LUCAS OIL and 2 other brands — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. MOBIL 126505 is listed in this group.
1 further part sits outside the graded sections, with the same engine-level match.
Transmission Fluid Additive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD Popular | 19610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Popular | 60902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic Transmission Fluid Protectant10 oz | View on Amazon |
| LUBEGARD | 19689 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD | 63010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant10 oz | View on Amazon |
| LUBEGARD | 63016 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant15 oz | View on Amazon |
| LUBEGARD | 63032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2018 GMC Acadia come from LUBEGARD. The "Popular" part is LUBEGARD 19610.
This group includes LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689 and the remaining parts above.
Transmission Mount
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SKMET710 | 🇺🇸 US 🇨🇦 CA | RearFWD | View on Amazon |
| SKP | SKMET709 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CenterAWD or FWD | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 85157579 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | View on Amazon |
| GM GENUINE Popular | 84227353 | 🇺🇸 US 🇨🇦 CA | FrontTrans. code 6T70 | View on Amazon |
| GM GENUINE Popular | 84499838 | 🇺🇸 US 🇨🇦 CA | Mounting Bracket Included: YES | View on Amazon |
| ANCHOR | 3430 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left4WD or AWD | View on Amazon |
| ANCHOR | 3440 | 🇺🇸 US 🇨🇦 CA | Rear LeftFWD | View on Amazon |
| DEA / MARMON RIDE CONTROL | A5932 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear4WD or AWD | View on Amazon |
| DEA / MARMON RIDE CONTROL | A5933 | 🇺🇸 US 🇨🇦 CA | RearFWD | View on Amazon |
| GM GENUINE | 85113642 | 🇺🇸 US 🇨🇦 CA | Mounting Bracket Included: No | View on Amazon |
| PIONEER | 623440 | 🇺🇸 US 🇨🇦 CA | FWD | View on Amazon |
| WESTAR | EM4382 | 🇲🇽 MX | Rear | View on Amazon |
| WESTAR | EM4373 | 🇺🇸 US 🇨🇦 CA | RearFWD | View on Amazon |
| WESTAR | EM4370 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| WESTAR | EM4372 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Center4WD or AWD | 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.
15 Transmission Mount parts are listed for the 2018 GMC Acadia, from GM GENUINE, WESTAR, SKP and 3 other brands. GM GENUINE 85157579 carries the "Popular" badge.
Economy: 2 parts, from SKP. A representative part number is SKP SKMET710.
The Standard Replacement section: 13 options from GM GENUINE, WESTAR, ANCHOR and 2 other brands. GM GENUINE 85157579 is listed in this group.
Valve Body
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE Popular | 19421221 | 🇺🇸 US 🇨🇦 CA | Length: 12.75 In | View on Amazon |
| GM GENUINE | 19421223 | 🇺🇸 US 🇨🇦 CA | UpperTrans.Code 6T70 | View on Amazon |
| SONNAX | GM6T401 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| SONNAX | GM6T701L | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RemanDoes Not Include TEHCM | View on Amazon |
| SONNAX | GM6T702 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RemanDoes Not Include TEHCM | View on Amazon |
This table covers the valve bodies that route hydraulic pressure inside the transmission.
5 Valve Body parts for the 2018 GMC Acadia come from 2 brands — SONNAX and GM GENUINE. The "Popular" part is GM GENUINE 19421221.
This group includes GM GENUINE 19421221, GM GENUINE 19421223 and SONNAX GM6T401 and the remaining parts above.
Valve Body Channel Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24265674 | 🇺🇸 US 🇨🇦 CA | UpperTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24260039 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the Valve Body Channel 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.
GM GENUINE supplies both parts for the 2018 GMC Acadia.
Part numbers include GM GENUINE 24265674 and GM GENUINE 24260039.
Valve Body Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24265264 | 🇺🇸 US 🇨🇦 CA | Includes Control Valve Body Gasket | View on Amazon |
This table covers the Valve Body covers.
One part is listed for the 2018 GMC Acadia — GM GENUINE 24265264.
Valve Body Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24229593 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the gaskets that seal the Valve Body Cover. 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.
This group shows a single part: GM GENUINE 24229593.
Valve Body Cover Wiring Connector Hole Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24240184 | 🇺🇸 US 🇨🇦 CA | Trans. code 6T706 speed | View on Amazon |
This table covers the seals at the Valve Body Cover Wiring Connector Hole. 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 2018 GMC Acadia — GM GENUINE 24240184.
Valve Body Reamer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO | AFLG2TK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Universal GEN2 Valve Body Tool Kit | View on Amazon |
This table covers the Valve Body reamers. This is a service tool. Confirm the application in the notes before ordering.
This group shows a single part: TRANSGO AFLG2TK.
Valve Body Separator Plate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GM GENUINE | 24263010 | 🇺🇸 US 🇨🇦 CA | LowerTrans.Code 6T70 | View on Amazon |
| GM GENUINE | 24263009 | 🇺🇸 US 🇨🇦 CA | UpperTrans.Code 6T70 | 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.
GM GENUINE supplies both parts for the 2018 GMC Acadia.
Listed part numbers: GM GENUINE 24263010 and GM GENUINE 24263009.
Valve Body Vacuum Tester
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SONNAX | 124740VTP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Vacuum Test Plate KitFor GM 6T70/75 Gen. 1 & Gen. 2 and Ford 6F50/55 Units | View on Amazon |
| SONNAX | 144740VTP | 🇺🇸 US 🇨🇦 CA | Vacuum Test Plate KitFor GM 6T30/40/45/50 Gen. 1 and Ford 6F35 Gen. 1 & Gen. 2 Units | View on Amazon |
This table covers the testers used to diagnose a valve body.
2 Valve Body Vacuum Tester parts for the 2018 GMC Acadia come from SONNAX.
This group includes SONNAX 124740VTP and SONNAX 144740VTP.
Buying Automatic Transmission Parts for a 2018 GMC Acadia
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- Confirm you have the 3.6L V6 engine — every part on this page is matched to it.
- 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: Transmission Fluid and Clutch Plate .
Frequently Asked Questions
How many automatic transmission parts fit the 2018 GMC Acadia?
Our catalog currently lists 239 automatic transmission parts for the 2018 GMC Acadia across 75 subcategories and 34 brands, covering the 3.6L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 2018 GMC Acadia?
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 2018 GMC Acadia 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 2018 GMC Acadia?
Every part on this page is matched to the 3.6L V6 engine. 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 2018 GMC Acadia
Automatic Transmission Parts for Other GMC Acadia Years
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