BUICK ROADMASTER Transmission & Drivetrain

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885342

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Gear, Ring and Pinion, EXCel, 4.56:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75456

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Mini Spool, GM 7.5 in. 10-Bolt, Open Carrier, Equal Windows, 28-Spline, Each

Part Number: RMG-78-7528-1

Not Yet Reviewed

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Universal Joint, 1344 Style, Greasable, Steel, Each

Part Number: SUM-732001

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Yokes, GM 3RL/S44/Mechanics 3/American Axle 1344, 30-spline Inner, Cast Steel, for GM 8.5 in. or GM 9.5 in. Axle As the Pinion Yoke, Strap Style, Each

Part Number: MGR-MG3R-8500

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Wiring Harness, EZ-TCU Transmission Controller Main Harness, Each

Part Number: TCI-30261

Not Yet Reviewed

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Automatic Transmission Governor Cover, Stainless Steel, Natural, 700R4, TH350, TCI Logo, Each

Part Number: TCI-316860

3.57 out of 5 stars ( 14 )

Estimated Ship Date: Today

Axle Shaft, 30-Spline, 30.375 in. Length, Rear, GM, Each

Part Number: YGA-21278

Not Yet Reviewed

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Ring and Pinion Installation Kit, GM, 7.5 in./7.625 in., 10-Bolt, Kit

Part Number: RMG-831044M

4.4 out of 5 stars ( 15 )

Estimated Ship Date: Today

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Differential Shims, Carrier, Steel, Kit

Part Number: MGR-SS10

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Today

Transmission Bracket, Steel, Natural, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: BMM-20462

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Today

TORQUE CONVERTER 3600 STALL

Part Number: FTI-SRLT0086

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 27, 2026 if ordered today

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Wheel Bearing Seal, Front Inner, Buick, Chevy, GMC, Oldsmobile, Checker, Isuzu, Each

Part Number: TMK-4739

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Today

Flexplate, Replacement, 168-Tooth, Steel, Chevy, Small Block, GM V6, Each

Part Number: ATP-Z166

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Universal Joint, Super Strength, 1344 Style, Solid, Steel, Each

Part Number: MOG-234

4.42 out of 5 stars ( 12 )

Estimated Ship Date: Today

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75373TK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 16, 2026 if ordered today

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Differential, Lock-Right, Locker, 30-Spline, GM, 8.5 in., Each

Part Number: PWT-1921-LR

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Ring and Pinion

Part Number: MGR-GM75-323

Not Yet Reviewed

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

Part Number: MGR-GM10-456

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Clutch Kit, 5/6-Speed Conversion, Organic, 1 .125 in.-26-Spline, 11 in. Diameter Disc, Buick, Checker, Chevy, GMC, Pontiac, Oldsmobile, Kit

Part Number: HAY-83-1102

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: RMG-78-7526-1

4.4 out of 5 stars ( 10 )

Estimated Ship Date: Today

Specialty Components, 4L60E, 4L65E, 4L70E Drop-in Pressure Regulator Valve

Part Number: TRG-4L60E-PR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Detent Cable, TV Cable, Clip, General Motors, Each

Part Number: ATP-YR100

4.5 out of 5 stars ( 24 )

Estimated Ship Date: Today

Pilot Bearings and Bushing, Replacement, Clutch Pilot Bearing, Steel, 1.378 in. OD, 0.590 in. ID, Buick, International, Oldsmobile, Pontiac, Each

Part Number: NTL-7109

Not Yet Reviewed

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875323

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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