BUICK ROADMASTER Transmission & Drivetrain

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875342

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 30, 2026 if ordered today

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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: Jan 4, 2027 if ordered today

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Transmission Dipstick, Flexible, Braided Stainless, Black, Black Handle, Bellhousing Mount, Chevy, 4L60, Each

Part Number: LOK-XTD-34L60TM

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

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RPK

Not Yet Reviewed

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

Automatic Transmission Rebuild Components, LCS Governor Cover Gasket, 3.25 in. Diameter, Rubber, GM, TH350, TH200C, THM700-R4/4L60/MD8, Each

Part Number: ATP-SO40

5.0 out of 5 stars ( 3 )

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

Hays Twister 3/4 Race Torque Converter 1984- 97 GM, 4L60/4L60E/700R4, 2400- 2800 RPM stall

Part Number: HAY-97-1G24Q

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 25, 2026 if ordered today

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Boost Valve/Bushing, .472 TV, 700R4/200-4R, Towing/Heavy Duty/Off-Road, Kit

Part Number: TRG-7-472

4.8 out of 5 stars ( 5 )

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

Automatic Transmission Control Solenoids, Replacement, AM General, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Workhorse, Each

Part Number: ATP-JE-53

Not Yet Reviewed

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

Wheel Bearings, Premium Low Drag, Steel Roller Bearing, Front, Rear, Kit

Part Number: DPR-00710581

Not Yet Reviewed

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

Ring and Pinion Kit

Part Number: RMG-GM75355TK

Not Yet Reviewed

Estimated Ship Date: Nov 25, 2026 if ordered today

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Automatic Transmission Pan Magnet, THM125C, THM440, 4T60, ME9, TH400, 4l80, Buick, Cadillac, Chevrolet, Each

Part Number: ADO-24239049

Not Yet Reviewed

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

Clutch Kits, Street 450 Clutch Conversion Kits, 1.125 in. - 10-spline, Single Organic Disc, 11.000 in. Diameter, Buick, Chevy, Olds, Pontiac, Kit

Part Number: HAY-91-1004

3.0 out of 5 stars ( 4 )

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

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Transmission Filter, Inline, Hose Barbs, fits 5/16 in. Lines, 2 Hoses, 4 Clamps, Kit

Part Number: ATP-JX150

5.0 out of 5 stars ( 2 )

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

Wheel Bearing Buick,Cadillac,Lincoln 56-69

Part Number: FWB-102434

Not Yet Reviewed

Estimated Ship Date: Dec 14, 2026 if ordered today

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Ring and Pinion Installation Kit, GM, 10-Bolt, 8.5 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831021B

2.67 out of 5 stars ( 3 )

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

Universal Joint Clamps, Steel, Pair

Part Number: MOG-530-10

4.91 out of 5 stars ( 11 )

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

Replacement Springs, Powertrax Lock-Right, Kit

Part Number: PWT-1025350KAP

4.75 out of 5 stars ( 16 )

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

Differential Cover, Steel, Natural, GM, 8.5 in., 8.6 in., 1982 thru 2001, Each

Part Number: RNB-697-700

4.8 out of 5 stars ( 5 )

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

Cross Shaft, Differential, Steel, GM, 10-Bolt, 7.5 in., with Mini Spool, Each

Part Number: RMG-CSPGM75

4.0 out of 5 stars ( 4 )

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

Differential, Grip Pro Traction System, 28-Spline, GM 7.5 in., 7.625 in., Each

Part Number: PWT-GT247528

Not Yet Reviewed

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

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Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901711

5.0 out of 5 stars ( 1 )

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

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Differential Carrier Bearing, Steel, Each

Part Number: NTL-LM501349

1.0 out of 5 stars ( 2 )

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

Pinion Nut, Steel, Each

Part Number: MGR-1260823

4.0 out of 5 stars ( 5 )

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

Torque Converters, Twister 3/4 Race, Street/Strip, 2,400-2,800 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1E24Q

Not Yet Reviewed

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

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Shaft, Automatic Transmission, Stock Replacement, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Truck, Each

Part Number: ADO-24235194

4.67 out of 5 stars ( 3 )

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