125 Automatic transmission parts are listed for the 1982 Avanti Ii, in 31 part types, covering the 5.0L 305cid V8 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 1982 Avanti Ii, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. 26 parts of the 125 listed are Fluid Pan Gasket (9 parts), Shift Improvement Kit (9 parts) and Extension Housing Seal (8 parts). The other 28 part types cover the remaining 99 parts.
Every part on this page is matched to the 5.0L 305cid V8 — the only engine offered in the 1982 Avanti Ii.
The most listed brands for 1982 Avanti Ii automatic transmission parts are DURA-BOND (19 parts), ATP (16 parts) and TRANSGO (13 parts), plus 18 more brands. Quality grades include High Performance, Economy and Daily Driver.
19 parts on this 1982 Avanti Ii page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including NATIONAL 9613S (Extension Housing Seal) and ATP TF29 (Filter). Click any part number to see every vehicle that part fits.
Band
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | JX58 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| ATP | JX60 | 🇺🇸 US 🇨🇦 CA | Reverse | View on Amazon |
| PIONEER | 767043 | 🇺🇸 US 🇨🇦 CA | FrontTrans. code THM400 | View on Amazon |
| PIONEER | 767017 | 🇺🇸 US 🇨🇦 CA | ReverseTrans. code THM400 | View on Amazon |
This table covers the apply bands inside the automatic transmission.
4 Band parts are listed for the 1982 Avanti Ii, from ATP and PIONEER.
This group includes ATP JX58, ATP JX60 and PIONEER 767043 and the remaining parts above.
Boost Valve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO | 7500 | 🇺🇸 US 🇨🇦 CA | .500" | View on Amazon |
| TRANSGO | 7472 | 🇺🇸 US 🇨🇦 CA | .472" | View on Amazon |
| TRANSGO | 7300 | 🇺🇸 US 🇨🇦 CA | Intermediate & Reverse Boost Valve and Bushing | View on Amazon |
| TRANSGO | 7422 | 🇺🇸 US 🇨🇦 CA | .422" | 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.
TRANSGO supplies the 4 Boost Valve parts for the 1982 Avanti Ii.
Part numbers include TRANSGO 7500, TRANSGO 7472 and TRANSGO 7300, among others listed above.
Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | GMT31A | 🇺🇸 US 🇨🇦 CA | Trans. code THM350Stator (Front) (Wide) | 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 GMT31A.
Bushing Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | TK53 | 🇺🇸 US 🇨🇦 CA | Trans. code THM350 | View on Amazon |
| DURA-BOND | TK53EK | 🇺🇸 US 🇨🇦 CA | Essentials Kit | View on Amazon |
| DURA-BOND | TK53HP | 🇺🇸 US 🇨🇦 CA | High Performance Kit | View on Amazon |
| DURA-BOND | TK54 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400 | View on Amazon |
| DURA-BOND | TK54HP | 🇺🇸 US 🇨🇦 CA | High Performance Kit | View on Amazon |
This table covers the Bushing kits.
5 Bushing Kit parts for the 1982 Avanti Ii come from DURA-BOND.
This group includes DURA-BOND TK53, DURA-BOND TK53EK and DURA-BOND TK53HP and the remaining parts above.
Case Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | 2272 | 🇺🇸 US 🇨🇦 CA | Trans. code THM350Case | 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.
Center Support Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | 02101 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400Center Support | View on Amazon |
This table covers the Center Support 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 02101.
Dipstick / Fluid Filler Tube Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | SO35 | 🇺🇸 US 🇨🇦 CA | Trans. code THM200-4R or Trans. code THM350Multi-Lip Seal | View on Amazon |
| ATP | JO16 | 🇺🇸 US 🇨🇦 CA | 3 speed trans.Intake Filler Tube To Case | View on Amazon |
| PIONEER | 762008 | 🇺🇸 US 🇨🇦 CA | 3 speed trans.Intake Filler Tube To Case | View on Amazon |
| PIONEER | 760014 | 🇺🇸 US 🇨🇦 CA | Trans. code THM200-4R or Trans. code THM350Multi-Lip Seal | 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.
4 Dipstick / Fluid Filler Tube Seal parts are listed for the 1982 Avanti Ii, from ATP and PIONEER.
This group includes ATP SO35, ATP JO16 and PIONEER 762008 and the remaining parts above.
Extension Housing Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | GMT32 | 🇺🇸 US 🇨🇦 CA | Trans. code THM350Extension Housing | View on Amazon |
| DURA-BOND | 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 1982 Avanti Ii come from DURA-BOND.
Listed part numbers: DURA-BOND GMT32 and DURA-BOND GMT32T.
Extension Housing Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 480150 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
This table covers the wear sleeves used to restore a Extension Housing seal surface.
One part is listed for the 1982 Avanti Ii — SKF 480150.
Extension Housing Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 9613S | 🇺🇸 US 🇨🇦 CA | Series: 9000Type: 71 | View on Amazon |
| TIMKEN Popular | 9613S | 🇺🇸 US 🇨🇦 CA | 2.222 in. Shaft Size3.5 in. Bore | View on Amazon |
| BCA | NS9613S | 🇺🇸 US 🇨🇦 CA | External Markings: 1.500 X 2.380 X 0.413/0.476Bushing & Seal Kit | View on Amazon |
| BCA | NS5200 | 🇺🇸 US 🇨🇦 CA | External Markings: 15001Material: Nitrile | View on Amazon |
| NATIONAL | 5200 | 🇺🇸 US 🇨🇦 CA | Series: 5200Includes Bushing | View on Amazon |
| TIMKEN | 5200 | 🇺🇸 US 🇨🇦 CA | Fits Trans. code THM350 | View on Amazon |
| WJB / INMOTION PARTS | WS9613S | 🇺🇸 US 🇨🇦 CA | External Markings: 1.500 X 2.380 X 0.413/0.476 | View on Amazon |
| WJB / INMOTION PARTS | WS5200 | 🇺🇸 US 🇨🇦 CA | Material: Nitrile | 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.
8 Extension Housing Seal parts are listed for the 1982 Avanti Ii, from NATIONAL, TIMKEN, BCA and 1 other brand. NATIONAL 9613S carries the "Popular" badge.
Listed part numbers: NATIONAL 9613S and BCA NS9613S, plus the other parts above.
Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Popular | TF29 | 🇺🇸 US 🇨🇦 CA | OE Replacement | View on Amazon |
| ATP | TF37 | 🇺🇸 US 🇨🇦 CA | OE Replacement | View on Amazon |
| ATP | TF64 | 🇺🇸 US 🇨🇦 CA | OE Replacement | View on Amazon |
| VARIOUS MFR | PT220 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400 | View on Amazon |
| VARIOUS MFR | PT1194 | 🇺🇸 US 🇨🇦 CA | 4 speed trans. | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Popular | B37 | 🇺🇸 US 🇨🇦 CA | Premium ReplacementIncludes: (1) gasket, (1) screen, (2) seals | View on Amazon |
| ATP | B29 | 🇺🇸 US 🇨🇦 CA | Includes: (1) Gasket, (1) ScreenPremium Replacement | View on Amazon |
| ATP | B64 | 🇺🇸 US 🇨🇦 CA | Premium ReplacementIncludes: (1) Pan Gasket, (1) 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.
8 Filter parts for the 1982 Avanti Ii come from 2 brands — ATP and VARIOUS MFR. The "Popular" part is ATP TF29.
The Economy section lists 5 options from ATP and VARIOUS MFR — the catalog's value-priced group. ATP TF29 is listed in this group.
In the Standard Replacement grade, ATP supplies 3 parts: built to original-equipment specification. A representative part number is ATP B37.
Listed part numbers: ATP TF29, ATP TF37 and ATP TF64, plus the other parts above.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular | TOS18633 | 🇺🇸 US 🇨🇦 CA | Trans. code THM350 | View on Amazon |
| FEL-PRO Popular | TOS18621 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400 | View on Amazon |
| FEL-PRO | TOS18662 | 🇺🇸 US 🇨🇦 CA | 4 speed trans. | View on Amazon |
| MAHLE / CLEVITE | W39348 | 🇺🇸 US 🇨🇦 CA | Cork-Rubber | View on Amazon |
| MAHLE / CLEVITE | W39341 | 🇺🇸 US 🇨🇦 CA | Cork-RubberAutomatic Transmission Oil Pan Gasket | View on Amazon |
| MAHLE / CLEVITE | W39348TC | 🇺🇸 US 🇨🇦 CA | Cork with Metal Carrier | View on Amazon |
| MAHLE / CLEVITE | W39341TC | 🇺🇸 US 🇨🇦 CA | Cork with Metal CarrierAutomatic Transmission Oil Pan Gasket | View on Amazon |
| VICTOR REINZ | 711494000 | 🇺🇸 US 🇨🇦 CA | Trans. code THM350 | View on Amazon |
| VICTOR REINZ | 711493800 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400 | 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.
9 Fluid Pan Gasket parts for the 1982 Avanti Ii come from 3 brands — MAHLE / CLEVITE, FEL-PRO and VICTOR REINZ. The "Popular" part is FEL-PRO TOS18633.
Listed part numbers: FEL-PRO TOS18633, FEL-PRO TOS18621 and FEL-PRO TOS18662, plus the other parts above.
Fluid Pump Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND Popular | 61005T | 🇺🇸 US 🇨🇦 CA | Coated | View on Amazon |
| DURA-BOND | 61005 | 🇺🇸 US 🇨🇦 CA | 4 speed trans.Pump body | View on Amazon |
| DURA-BOND | 44034 | 🇺🇸 US 🇨🇦 CA | 3 speed trans.Pump Body | View on Amazon |
| DURA-BOND | 61005TG | 🇺🇸 US 🇨🇦 CA | Dry Film Lubricated | View on Amazon |
| DURA-BOND | 44034TG | 🇺🇸 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.
5 Fluid Pump Bushing parts for the 1982 Avanti Ii come from DURA-BOND. The "Popular" part is DURA-BOND 61005T.
Listed part numbers: DURA-BOND 61005T, DURA-BOND 61005 and DURA-BOND 44034, plus the other parts above.
Fluid Pump Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 99187 | 🇺🇸 US 🇨🇦 CA | Trans. code THM350General Motors trans. | View on Amazon |
| BCA | NS88187 | 🇺🇸 US 🇨🇦 CA | Front3 speed trans. | View on Amazon |
| NATIONAL | 99174 | 🇺🇸 US 🇨🇦 CA | 4 speed trans.with GMC THM200-4R Transmission | View on Amazon |
| WJB / INMOTION PARTS | WS99174 | 🇺🇸 US 🇨🇦 CA | Front4 speed trans. | View on Amazon |
| WJB / INMOTION PARTS | WS99187 | 🇺🇸 US 🇨🇦 CA | Front3 speed trans. | View on Amazon |
This table covers the precision wear sleeves used to restore a transmission pump seal surface.
5 Fluid Pump Repair Sleeve parts are listed for the 1982 Avanti Ii, from NATIONAL, WJB / INMOTION PARTS and BCA. NATIONAL 99187 carries the "Popular" badge.
Part numbers include NATIONAL 99187, BCA NS88187 and NATIONAL 99174, among others listed above.
Fluid Pump Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 6712NA | 🇺🇸 US 🇨🇦 CA | FrontTrans. code THM350 | View on Amazon |
| NATIONAL Popular | 4950 | 🇺🇸 US 🇨🇦 CA | Front4 speed trans. | View on Amazon |
| BCA | NS6712NA | 🇺🇸 US 🇨🇦 CA | FrontTrans. code THM350 | View on Amazon |
| BCA | NS4950 | 🇺🇸 US 🇨🇦 CA | Front4 speed trans. | View on Amazon |
| SKF | 17458 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| SKF | 17459 | 🇺🇸 US 🇨🇦 CA | Front | View on Amazon |
| WJB / INMOTION PARTS | WS6712NA | 🇺🇸 US 🇨🇦 CA | Front3 speed trans. | View on Amazon |
| WJB / INMOTION PARTS | WS4950 | 🇺🇸 US 🇨🇦 CA | Front4 speed 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 1982 Avanti Ii, from NATIONAL, BCA, SKF and 1 other brand. NATIONAL 6712NA carries the "Popular" badge.
This group includes NATIONAL 6712NA, NATIONAL 4950 and BCA NS6712NA and the remaining parts above.
Governor / Modulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Popular | JX76 | 🇺🇸 US 🇨🇦 CA | 3 speed trans.Adjustable 12-19.5 - EDA 2.48 - Black/Red - with EGR | View on Amazon |
| PIONEER Popular | 747024 | 🇺🇸 US 🇨🇦 CA | 3 speed trans.Adjustable 12-19.5 | View on Amazon |
| ROSTRA | 510017 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400Dual Red Stripe Modulator | View on Amazon |
| ROSTRA | 510020 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400Modulator | View on Amazon |
| ROSTRA | 510062 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400Single Red Stripe | View on Amazon |
| STANDARD MOTOR PRODUCTS | TM66 | 🇺🇸 US 🇨🇦 CA | Direct OE ReplacementBrass | View on Amazon |
This table covers the governors and modulators that control transmission shift pressure.
6 Governor / Modulator parts for the 1982 Avanti Ii come from 4 brands — ROSTRA, ATP, PIONEER and 1 other brand. The "Popular" part is ATP JX76.
Part numbers include ATP JX76, PIONEER 747024 and ROSTRA 510017, among others listed above.
Kickdown Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 520604 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400 | View on Amazon |
This table covers the Kickdown 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 1982 Avanti Ii — ROSTRA 520604.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NS8792S | 🇺🇸 US 🇨🇦 CA | Trans. code THM200-4R or Trans. code THM350 | View on Amazon |
| NATIONAL | 8792S | 🇺🇸 US 🇨🇦 CA | Trans. code THM200-4R or Trans. code THM350General Motors trans. | View on Amazon |
| WJB / INMOTION PARTS | WS8792S | 🇺🇸 US 🇨🇦 CA | Fits 4 speed trans.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 1982 Avanti Ii, from BCA, NATIONAL and WJB / INMOTION PARTS.
Part numbers include BCA NS8792S, NATIONAL 8792S and WJB / INMOTION PARTS WS8792S.
Output Shaft Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | 8624988 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400Output Shaft (Narrow) | 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 1982 Avanti Ii — DURA-BOND 8624988.
Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Popular | 15041 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| ACDELCO | 9613S | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| ACDELCO | 5200 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| SCHAEFFLER | SS2569 | 🇺🇸 US 🇨🇦 CA | 4 speed trans.with 1.500 In Shaft | View on Amazon |
| SCHAEFFLER | SS2571 | 🇺🇸 US 🇨🇦 CA | Seal Kit | 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.
5 Output Shaft Seal parts for the 1982 Avanti Ii come from 3 brands — ACDELCO, SCHAEFFLER and SKF. The "Popular" part is SKF 15041.
This group includes SKF 15041, ACDELCO 9613S and ACDELCO 5200 and the remaining parts above.
Rebuild Kit
Deluxe Kit (Master Kit + Filter, Band & Common Bushings)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PIONEER Popular | 753024 | 🇺🇸 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, Filter, Front & Rear Bushings, 2 Bands,and Modulator.PLUS Kit | View on Amazon |
Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | CMS21 | 🇺🇸 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, Filter, Band.Master Kit | View on Amazon |
| ATP | JMS9 | 🇺🇸 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, Filter, Front & Rear Bushings, 2 Bands,and Modulator.PLUS Kit | View on Amazon |
| PIONEER | 753020 | 🇺🇸 US 🇨🇦 CA | Master KitIncludes: All paper gaskets, Pan gasket, Rubber O rings, Rubber Lip seals, metal clad seals, sealing rings, Friction Clutch plates, Steel Clutch Plates, Filter, Band | View on Amazon |
Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSTEC | 81000348 | 🇺🇸 US 🇨🇦 CA | without PistonsDuraprene Pan Gasket | View on Amazon |
This table covers the rebuild kits for this assembly.
5 Rebuild Kit parts are listed for the 1982 Avanti Ii, from PIONEER, ATP and TRANSTEC. PIONEER 753024 carries the "Popular" badge.
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 753024.
The Master Kit (Overhaul Kit + Friction & Steel Clutch Plates) section lists 3 options from ATP and PIONEER — grouped under the catalog's "Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)" designation — the notes column spells out what sets them apart. ATP CMS21 is listed in this group.
In the Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) grade, TRANSTEC supplies 1 part: 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 81000348.
Part numbers include PIONEER 753024, ATP CMS21 and ATP JMS9, among others listed above.
Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF | 99174 | 🇺🇸 US 🇨🇦 CA | Shaft Diameter: 1.750 In | View on Amazon |
This table covers the wear sleeves used to restore a grooved seal surface.
One part is listed for the 1982 Avanti Ii — SKF 99174.
Shift Improvement Kit
Daily Driver
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO Popular | SK400 | 🇺🇸 US 🇨🇦 CA | Shift KitFor 400 Transmissions | View on Amazon |
| TRANSGO Popular | SK350 | 🇺🇸 US 🇨🇦 CA | Shift KitFor 250/250C, 350/350C Transmissions | View on Amazon |
| TRANSGO | SK2004R | 🇺🇸 US 🇨🇦 CA | Shift KitFor 2004R Transmissions | View on Amazon |
High Performance
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO | 35012 | 🇺🇸 US 🇨🇦 CA | Reprogramming KitWith Gear Command | View on Amazon |
| TRANSGO | 40012 | 🇺🇸 US 🇨🇦 CA | Reprogramming KitWith Gear Command | View on Amazon |
| TRANSGO | 3503 | 🇺🇸 US 🇨🇦 CA | Reprogramming KitWith Manual Shift Control | View on Amazon |
| TRANSGO | 4003 | 🇺🇸 US 🇨🇦 CA | Reprogramming KitWith Manual Shift Control | View on Amazon |
| TRANSGO | 400PRO | 🇺🇸 US 🇨🇦 CA | Reprogramming KitWith Gear Command | View on Amazon |
| TRANSGO | 2004RHD2 | 🇺🇸 US 🇨🇦 CA | Reprogramming KitFor 2004R Transmissions | View on Amazon |
This table covers the Shift Improvement kits.
9 Shift Improvement Kit parts for the 1982 Avanti Ii come from TRANSGO. The "Popular" part is TRANSGO SK400.
In the Daily Driver grade, TRANSGO supplies 3 parts: grouped for everyday commuting duty. A representative part number is TRANSGO SK400.
The High Performance section lists 6 options from TRANSGO — engineered beyond original-equipment specification. TRANSGO 35012 is listed in this group.
This group includes TRANSGO SK400, TRANSGO SK350 and TRANSGO SK2004R and the remaining parts above.
Shift Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 8792S | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| SCHAEFFLER | SS2114 | 🇺🇸 US 🇨🇦 CA | 4 speed trans.4.75 mm Width | View on Amazon |
| TIMKEN | 8792S | 🇺🇸 US 🇨🇦 CA | Fits 3 Speed Trans.or 4 speed trans.Trans. code THM200-4R | 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 1982 Avanti Ii, from ACDELCO, SCHAEFFLER and TIMKEN.
Part numbers include ACDELCO 8792S and SCHAEFFLER SS2114, among others listed above.
Shift Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PA CARGO | K77929U | 🇺🇸 US 🇨🇦 CA | General Motors trans.Trans. code THM200-4R | 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 1982 Avanti Ii — PA CARGO K77929U.
Stator Support Shaft Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | 02399 | 🇺🇸 US 🇨🇦 CA | 4 speed trans.Stator Support (Front) | View on Amazon |
| DURA-BOND | 02399T | 🇺🇸 US 🇨🇦 CA | Coated | View on Amazon |
| DURA-BOND | 8623944 | 🇺🇸 US 🇨🇦 CA | Trans. code THM400Stator Support (Front & Rear), Sun Gear Shaft (Front & Rear) | 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.
3 Stator Support Shaft Bushing parts for the 1982 Avanti Ii come from DURA-BOND.
Listed part numbers: DURA-BOND 02399, DURA-BOND 02399T and DURA-BOND 8623944.
Torque Converter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TC REMANUFACTURING Popular | B35 | 🇺🇸 US | Trans. code THM3503 Rectangular Mounting Pads | View on Amazon |
| TC REMANUFACTURING | B3M | 🇺🇸 US 🇨🇦 CA | Reman. | View on Amazon |
| TC REMANUFACTURING | B3 | 🇺🇸 US | Trans. code THM400Standard Stator, 3 Mounting Pads | View on Amazon |
| TC REMANUFACTURING | HDB35 | 🇺🇸 US | Trans. code THM350Heavy Duty Application, 3 Mounting Pads | View on Amazon |
| TC REMANUFACTURING | B15CGD | 🇺🇸 US | 4 speed trans.Converter Codes:CG, CG3C, CG5E | 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.
5 Torque Converter parts for the 1982 Avanti Ii come from TC REMANUFACTURING. The "Popular" part is TC REMANUFACTURING B35.
Part numbers include TC REMANUFACTURING B35, TC REMANUFACTURING B3M and TC REMANUFACTURING B3, among others listed above.
Torque Converter Clutch Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | CE1 | 🇺🇸 US 🇨🇦 CA | Includes: (2) Screw Nuts, (2) Lock Nuts | View on Amazon |
| ATP | SE1 | 🇺🇸 US 🇨🇦 CA | Trans. code THM350Lock-Up Solenoid - High Performance | View on Amazon |
| PIONEER | 771003 | 🇺🇸 US 🇨🇦 CA | Includes (2) Screw Nuts, (2) Lock Nuts | View on Amazon |
| ROSTRA | 520203 | 🇺🇸 US 🇨🇦 CA | 4 speed trans.TCC/Lock-up Solenoid | 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.
4 Torque Converter Clutch Solenoid parts for the 1982 Avanti Ii come from 3 brands — ATP, PIONEER and ROSTRA.
This group includes ATP CE1, ATP SE1 and PIONEER 771003 and the remaining parts above.
Torque Converter Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SCHAEFFLER | SR3496 | 🇺🇸 US 🇨🇦 CA | 4 speed trans.with 1.750 In Shaft | View on Amazon |
| TIMKEN | KWK99187 | 🇺🇸 US 🇨🇦 CA | Kwik-Sleeve | View on Amazon |
| TIMKEN | KWK99174 | 🇺🇸 US 🇨🇦 CA | Kwik-Sleeve | View on Amazon |
This table covers the wear sleeves used to restore a Torque Converter seal surface.
3 Torque Converter Repair Sleeve parts are listed for the 1982 Avanti Ii, from TIMKEN and SCHAEFFLER.
Listed part numbers: SCHAEFFLER SR3496, TIMKEN KWK99187 and TIMKEN KWK99174.
Torque Converter Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN | 6712NA | 🇺🇸 US 🇨🇦 CA | 3 Speed Trans. | View on Amazon |
| TIMKEN | 4950 | 🇺🇸 US 🇨🇦 CA | 4 speed trans.Trans. code THM200-4R | 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.
TIMKEN supplies both parts for the 1982 Avanti Ii.
Part numbers include TIMKEN 6712NA and TIMKEN 4950.
Transmission Fluid Additive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD Popular | 19610 | 🇺🇸 US 🇨🇦 CA | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Popular | 60902 | 🇺🇸 US 🇨🇦 CA | Automatic Transmission Fluid Protectant10 oz | View on Amazon |
| ATP | AT202 | 🇺🇸 US 🇨🇦 CA | Automatic Transmission Fluid Synthetic Protectant | View on Amazon |
| LUBEGARD | 63010 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant10 oz | View on Amazon |
| LUBEGARD | 63016 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant15 oz | View on Amazon |
| LUBEGARD | 98010 | 🇺🇸 US 🇨🇦 CA | Use with Original Equipment Manufacturer Recommended Automatic Transmission Fluid 2 Pack 10 Ounces Each or 32 oz. BottleHigh-Performance Original Equipment Manufacturer Fluid Alternative/Protectant | View on Amazon |
| LUBEGARD | 63032 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant32 oz | View on Amazon |
This table covers the conditioners and additives used with this transmission fluid.
7 Transmission Fluid Additive parts for the 1982 Avanti Ii come from 2 brands — LUBEGARD and ATP. The "Popular" part is LUBEGARD 19610.
Part numbers include LUBEGARD 19610, LUBEGARD 60902 and ATP AT202, among others listed above.
Buying Automatic Transmission Parts for a 1982 Avanti Ii
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 5.0L 305cid V8 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: Fluid Pan Gasket and Shift Improvement Kit .
Frequently Asked Questions
How many automatic transmission parts fit the 1982 Avanti Ii?
Our catalog currently lists 125 automatic transmission parts for the 1982 Avanti Ii across 31 subcategories and 21 brands, covering the 5.0L 305cid V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 1982 Avanti Ii?
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 1982 Avanti Ii 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 1982 Avanti Ii?
Every part on this page is matched to the 5.0L 305cid V8 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 1982 Avanti Ii
Automatic Transmission Parts for Other Avanti Ii Years
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