BUICK ROADMASTER Transmission & Drivetrain

Torque Converter, 30-spline Input, 9.5 in. Diameter, 3,600 Stall, 4L60/700R4, Each

Part Number: FTI-ESRL0086

1.0 out of 5 stars ( 1 )

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

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Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901691

4.67 out of 5 stars ( 6 )

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

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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 11/2/2026 if shipped by air

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 11/2/2026 if shipped by air

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Master Repair Kit, Automatic Transmission, 4L60E, 4L65E, 4L70E, 4L75E, Kit

Part Number: ATP-CMS24

3.33 out of 5 stars ( 3 )

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

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Boost Valve and Bushing, .500 in., 236 psi Forward Pressure, Small/Big Blocks, 4L60E, Kit

Part Number: TRG-4L60E-BOOST

4.67 out of 5 stars ( 15 )

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

Ring and Pinion Gears, 3.08:1 Ratio, 10-bolt, 30-spline, Standard Rotation, GM 8.5 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Pontiac, Set

Part Number: MGR-GM10-308A

Not Yet Reviewed

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

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Separator Plate, Tempered Steel, Zinc Plated, GM, 700R4, Each

Part Number: TRG-700-P

4.64 out of 5 stars ( 33 )

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

Automatic Transmission Pan, Deep, Aluminum, Natural, GM, 700R4, 4L60E, Each

Part Number: TCI-378000

3.41 out of 5 stars ( 17 )

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

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Billet Rotor, 10-Vane, Automatic Transmission Pump, GM, 4L60E, 700R4, Each

Part Number: TCI-373400

5.0 out of 5 stars ( 2 )

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

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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 11/2/2026 if shipped by air

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U-Joint Fasteners, Straps, S44/GM 3RL Style, Steel, 1.125 in. Bearing Cap O.D., Buick, Cadillac, Chevy, Kit

Part Number: SDH-2-70-48X

4.75 out of 5 stars ( 4 )

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

Gear, Ring and Pinion, EXCel, 3.55:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75355

Not Yet Reviewed

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

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Wheel Bearing, Rear Inner, Each

Part Number: TMK-6408

4.18 out of 5 stars ( 11 )

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

Axle Bearing, Inner, Each

Part Number: TMK-TRP1559TV

4.75 out of 5 stars ( 4 )

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

Flexplate, Heavy-Duty, 168-Tooth, Steel, External Balance, 1-Piece Rear Main Seal, Chevy, Non-SFI, Each

Part Number: PIO-FRA-159HD

Not Yet Reviewed

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

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Differential Shims, Carrier Type, 2.25 in. I.D., 3.00 in. O.D., Steel, Dodge, Ford, GM, Hummer, Isuzu, Jeep, Lincoln, Mazda, Mercury, Saab, Kit

Part Number: MGR-SS12

4.0 out of 5 stars ( 15 )

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

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

Part Number: MOG-235

4.34 out of 5 stars ( 44 )

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

Ring and Pinion Installation Kit, GM, 8.5 in., 10-Bolt, Kit

Part Number: RMG-831021M

4.8 out of 5 stars ( 5 )

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

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Automatic Transmission Shift Shaft Seal, Steel/Rubber, Chevy, GMC< Buick, Pontiac, Cadillac, Jeep, Bentely, Isuzu, Each

Part Number: ATP-SO19

4.67 out of 5 stars ( 12 )

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

Shift Kit, Shift Improvement, with Auxiliary Valve Body, GM, 700R4, 4L60, Each

Part Number: TRG-SK700-JR

3.0 out of 5 stars ( 3 )

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

Differential, Lock-Right, Locker, 28-Spline, GM, 7.625 in., Each

Part Number: PWT-1931-LR

4.62 out of 5 stars ( 13 )

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

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Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in., Set

Part Number: MGR-GM75-410

Not Yet Reviewed

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

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Lockup Repair, Conversion Kit, GM, 700R4, Hydraulic Lock-up, Kit

Part Number: TRG-700-LU

5.0 out of 5 stars ( 2 )

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

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 11/2/2026 if shipped by air

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