BUICK ROADMASTER Transmission & Drivetrain

Cross Shaft Pin, Mini Spool, GM, 8.5 in., 28-Spline, Each

Part Number: RMG-CSPGM85

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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

Part Number: RMG-GM75342TK

Not Yet Reviewed

Estimated Ship Date: Nov 27, 2026 if ordered today

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Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-4900051

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Automatic Transmission Band, Stock Replacement, GM, 4L60, 4L65, 4L70, 2-4 Band, Each

Part Number: ADO-24232236

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Flexplate, Elite Series, 168 Tooth, External Balance, Billet Steel, SFI 29.2, Chevy, Each

Part Number: PQX-2226237

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Estimated Ship Date: Monday 11/9/2026 if shipped by air

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Bearing Race, Steel, Each

Part Number: NTL-M88010

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Differential Bearing, Tapered Roller, Steel, Stock Replacement, GM, Each

Part Number: ADO-S1420

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Repair Sleeve Various Makes 50-11

Part Number: FWB-SR3509

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Automatic Transmission Valve Body Solenoid Retainer, 4L60, 4L65, 4L70, 5L40, Chevrolet, GMC, Each

Part Number: ADO-8680781

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Boost Valve/Bushing, .422 TV, 700R4/200-4R, Kit

Part Number: TRG-7-422

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885308

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Dec 1, 2026 if ordered today

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Flexplate Bolts 7/16 - 20 x 11/16", Grade 8 With Black Oxide Finish and Lock Washers

Part Number: CGT-CF1007

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Estimated Ship Date: Feb 3, 2027 if ordered today

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Automatic Transmission Clutch Steels, ACDelco GM Genuine Parts Automatic Transmission Clutch Backing Plates, Each

Part Number: ADO-24212459

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Mini Spool; Differential Pinion Shim; Fits Ford 7.5 in./Ford 8.8 in./GM 8.5 in.

Part Number: RMG-16-0090-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Bearing Various Makes 64-11

Part Number: FWB-FC67147

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2026 if ordered today

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Axle Shaft, 30-spline, 30.375 in. Length, Rear, GM 8.5 in., GM 8.6 in., Chevy, Each

Part Number: SPZ-35107

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 7, 2026 if ordered today

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Axle Shaft Repair Bearing Various Makes 64-11

Part Number: FWB-DR0148K

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Estimated Ship Date: Dec 15, 2026 if ordered today

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Torque Converters, Twister 3/4 Race, Street/Strip, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1E32Q

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 25, 2026 if ordered today

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Ring and Pinion Kit

Part Number: RMG-GM75390TK

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Autmatic Transmission valve and bushing E4OD/4R100 F6 Casting Steel 2-3 Shift Valve Kit (3 Pack)

Part Number: TRG-4L60EBST472

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Transmission Pan Gasket, Rubber, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, 4L60, 4L65, 700R4, MD8, Each

Part Number: ATP-SG30

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/9/2026 if shipped by air

RING GEAR BOLT EACH

Part Number: MGR-PB179-2-L

Not Yet Reviewed

Estimated Ship Date: Feb 17, 2027 if ordered today

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Universal Joint, Steel, GM, Mopar, Ford, Isuzu, Jeep, Lincoln, Mercury, Saab, Each

Part Number: ADO-45U0108

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air

Universal Joint, Steel, Buick, Cadillac, Chevrolet, Chrysler, Dodge, Ford, GMC, Isuzu, Jeep, Lincoln, Oldsmobile, Plymouth, Pontiac, Saab, Each

Part Number: GMB-210-3105

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2026 if ordered today

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Axle Shaft Retainer

Part Number: MGR-3833322

Not Yet Reviewed

Estimated Ship Date: Monday 11/9/2026 if shipped by air