BUICK ROADMASTER Transmission & Drivetrain

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885373

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

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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: Monday 12/22/2025

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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: Monday 12/22/2025

Automatic Transmission Pan, Stock, Steel, Chrome, GM, 700R4, 4L60E, Each

Part Number: TCI-378011

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

Differential Shims, Carrier, Steel, Kit

Part Number: MGR-SS10

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/22/2025

Gear, Ring and Pinion, 3.73:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900461

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/22/2025

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Sun Shell, Automatic Transmission, Steel, GM, 700R4, 4L60E, 4L65E, Each

Part Number: TCI-373900

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/22/2025

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Filter Extension For 70289, 700R4

Part Number: BMM-70288

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885430

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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Transmission Filter, Replacement, Each

Part Number: WIX-58897

4.81 out of 5 stars ( 26 )

Estimated Ship Date: Monday 12/22/2025

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

Part Number: BMM-20462

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Monday 12/22/2025

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

Part Number: MGR-G885456

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Bearing, Rear Axle, Steel, Replacement, Each

Part Number: NTL-5707

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

Torque Converter, Remanufactured, Woven Clutch Type Unit, Stock Use, 30-spline Input, 10.625 in. Bolt Circle, 12.00 in. Diameter, Buick, Chevy, Each

Part Number: CCV-TQBU37W

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

• Core Charge $75.00
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Gear, Ring and Pinion, EXCel, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: RMG-GM85308

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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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: Monday 12/22/2025

Transmission Solenoids, TCC/Lock-up Solenoid, GM, Each

Part Number: ADO-214-1892

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

• $20 Summit Bucks

Wheel Bearing, Rear, Outer, Buick, Cadillac, Chevy, GMC, Oldsmobile, Dodge, Plymouth, Ford, Lincoln, Mazda Axle saver repair bearing

Part Number: NTL-RP5707

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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

Part Number: MGR-R10RMKT

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Monday 12/22/2025

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Ring and Pinion Gear Installation Kit, Differential Rebuild Master, GM 7.5/7.6 in., Kit

Part Number: NTN-NBRA320MK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

Seal, Automatic Transmission Shift Shaft, Steel/Rubber, GM, Each

Part Number: NTL-8792S

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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

Part Number: MOG-234

4.42 out of 5 stars ( 12 )

Estimated Ship Date: Monday 12/22/2025

Wheel Hub Dust Cap, Steel, Zinc Plated, 2.094 in. o.d., Buick, Cadillac, Chevy, Oldsmobile, Pontiac, Each

Part Number: RNB-13977

4.47 out of 5 stars ( 15 )

Estimated Ship Date: Monday 12/22/2025

Automatic Transmission Controller Component, Bluetooth Adapter, for Use Adapting the TCI EZ-TCU To Work with Bluetooth, GM, TCI, Each

Part Number: TCI-302611

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Flexplate, Gold Series, 168-Tooth, External Engine Balance, 1-Piece Rear Main Seal, SFI 29.1, TH350, TH400, TH700-R4, Chevy, Small Block, V8, Each

Part Number: PQX-1835003

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025