BUICK ROADMASTER Transmission & Drivetrain

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 11/2/2026 if shipped by air

• Free Shipping

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

Part Number: MGR-R10REMK

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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 11/2/2026 if shipped by air

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900171

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Transmission Dipstick, Braided Stainless Steel, Natural, Transmission Mount, 4L60E, Each

Part Number: LOK-TD-34L60ETM

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Bearing Race, Pinion, 3.250 in. Diameter, Each

Part Number: TMK-M802011

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 3 Series, Set

Part Number: MGR-G875410

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

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 11/2/2026 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 11/2/2026 if shipped by air

• Free Shipping

Flywheel, Steel, 168-Tooth, 30 lb., External Balance, Chevy, 4.3, 5.0, 5.7L, Each

Part Number: HAY-10-630

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.23:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4900191

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 3.90:1 Ratio, GM, 7.5 in./7.625 in., Standard Rotation, Set

Part Number: MGR-G875390

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Gear, Ring and Pinion, 4.30:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set

Part Number: MGR-GM10-430

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Bearing, Rear Axle, Steel, Replacement, Each

Part Number: NTL-5707

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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 11/2/2026 if shipped by air

• Free Shipping

Sprag/Roller Clutch, 29-Element, Forward Sprag, Low-Reverse Clutch, GM, 4L60E/700R4, Kit

Part Number: TCI-373600

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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 11/2/2026 if shipped by air

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

Part Number: RMG-78-7528-1

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

Gear, Ring and Pinion, 3.08:1 Ratio, GM, 7.5 in./7.625 in., 2 Series, Set

Part Number: MGR-G875308

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping

Transmission Filter, Gasket, 4L60E, Each

Part Number: WIX-58847

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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

Part Number: DPR-00710581BR

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

Ring and Pinion Installation Kit, Master Kit, GM 7.5 in., 7.625 in., Kit

Part Number: MGR-R75GRMKT

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

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 11/2/2026 if shipped by air

• Free Shipping

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 11/2/2026 if shipped by air

Differential Parts Kit, Open Differential, Includes 30-spline Side and Pinion Gears/Washers/Pinion Shaft/Bolt

Part Number: MGR-GM-10BI-30

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/2/2026 if shipped by air

• Free Shipping