BUICK RIVIERA Transmission & Drivetrain

Wheel Bearing Seal, Each

Part Number: TMK-8871

4.82 out of 5 stars ( 22 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Clutch Kit, Organic, 1 1/8 in.- 26-Spline, 11 in. Disc, Oldsmobile, Pontiac, Kit

Part Number: ZZZ-30006S

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Differential Carrier Bearings, Steel, GM 8.5 in., Kit

Part Number: YGA-57009

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Bearing Race, Differential Pinion, 2.687 in. Outside Diameter, Each

Part Number: TMK-M88010

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Ring and Pinion Installation Kit, EXCel, GM, 8.5 in., 10-Bolt, 30 Spline Pinion, Koyo Bearings, Kit

Part Number: RMG-XL-1021-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24162

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Pressure Plate, Diaphragm-Style, 10.5 in. Disc Diameter, Buick, Chevy/Ford, GMC/Oldsmobile, Pontiac, Each

Part Number: MCL-360703

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Hydraulic Clutch Kit 1964 1967 GM A Body with Tremec TKO TKX

Part Number: IST-HGA1TKX

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 19, 2026 if ordered today

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• Special Order

Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75342OE

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Ring and Pinion Installation Kit, GM, 8.5 in., GM, Kit

Part Number: MGR-R10R

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Axle Bearing, Each

Part Number: TMK-25590

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Differential Carrier Bearings, Standard Replacement, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-LM501349

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Vent, push-in, Axle, Transmission case

Part Number: RNB-14689

4.77 out of 5 stars ( 13 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Transmission Pan, Stock, Aluminum, Polished, TH400, Buick, Chevrolet, Oldsmobile, Pontiac, Each

Part Number: MRG-9796PMRG

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Ring and Pinion Gears and Installation Kit, 8.5" GM 3.08 REAR R&P GEAR/ INSTALL KIT PACKAGE with 28spl POSI & AK 1563 AXLE BRGS (2.25" OD)

Part Number: YGA-12626

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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• Special Order

Cable, TV/Kickdown, GM, TH250, TH350, Carburetor, Each

Part Number: TCI-376900

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Ring and Pinion Gears, EXCel, GM 7.5/7.625 in., 3.90:1 Ratio, 27-spline, Standard, for 3.23 or Numerically Higher Ratio Carrier, Chevy, GMC, Olds, Set

Part Number: RMG-GM75390

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Differential, Posi Performance, Electric Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-19659-010

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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• $150 Summit Bucks

Bearing, Rear Axle, Steel, Replacement, Each

Part Number: NTL-5707

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

U-Joint Fasteners, Straps, S44/GM 3RL Style, Steel, 1.125 in. Bearing Cap O.D., Buick, Cadillac, Chevy, Kit

Part Number: SDH-2-70-48X

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85456

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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Transmission Dipstick, Locking Replacement, Each

Part Number: PIO-768023

2.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Wheel Bearing Seal, Buick, Checker, Ford, Lincoln, Mercury, Each

Part Number: TMK-51098

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Spool, Mini, Steel, 26-Spline, 10-Bolt, GM 7.5 in., Each

Part Number: MGR-MS75-26

4.8 out of 5 stars ( 25 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

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