BUICK ROADMASTER Transmission & Drivetrain

TV Boost Valve, .500, Racing, Pro-Street, 700R4/200-4R, Kit

Part Number: TRG-7-500

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

Oil Seal;

Part Number: NTL-8835S

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

Axle Bearing, Rear Left or Right, 1.622 in. Bore, 2.531 in. O.D., 0.823 in. Width, GM, Ford, Mopar, Each

Part Number: MGR-6408

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

Transmission Filter, Replacement, Each

Part Number: WIX-58904

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

Gear, Ring and Pinion, 3.90:1 Ratio, GM 7.5 in., GM 7.625 in., 10-bolt, Set

Part Number: RMG-49-0284-1

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Transmission Vent Tubes, ACDelco GM Genuine Parts Transmission Vent Tubes, Steel, Silver, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-24200374

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

• $20 Summit Bucks

Ring and Pinion Installation Kit, Super Kit, GM, 7.5 in., Kit

Part Number: MGR-R75GRSKT

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

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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 12/22/2025

• Free Shipping
• Mfr. Rebate

$40.00 Mail-In Rebate

Price after Manufacturer Rebate: $818.99

Rebate Expires: 12/31/2025

Get $40 back after rebate on this Powertrax Product! Go to https://www.richmondgear.com/rebate.pdf for details. ...Read More

Get UP TO $55 back after rebate on select Powertrax Products! Go to https://www.richmondgear.com/rebate.pdf for details. Valid on purchases made between 11/1/25 and 12/31/25. Claims must be submitted within 30 days of purchase. Allow 6-8 weeks for processing. Valid in USA and Canada. Limit two qualifying purchases per household or address. This offer cannot be combined with other discounts or offers. Rebate intended for end consumer only. Show Less

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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 12/22/2025

• $20 Summit Bucks

Cross Pin, GM, 10-Bolt, 8.5 in. Each

Part Number: MGR-14006401

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

Automatic Transmission Filter, Buick, Cadillac, Chevrolet, GMC, Pontiac, Each

Part Number: ADO-24236799

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

• $20 Summit Bucks

Gear, Ring and Pinion, 5.13:1 Ratio, GM, 8.5/8.6 in., Set

Part Number: MGR-G885513

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

• Free Shipping

Boost Valve/Bushing, Intermediate and Reverse, 700R4/200-4R, Kit

Part Number: TRG-7-300

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

Flywheel Fasteners, 12-point, 7/16-20 in. Thread, Steel, Black, AMC, Ford, GM, Set of 6

Part Number: RNB-14557

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/22/2025

Differential Shims, Pinion Shim Type, Steel, Set

Part Number: MGR-1100

3.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/22/2025

Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, 700R4, Each

Part Number: BMM-70421

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Ring and Pinion-GM 8.5/8.625

Part Number: MGR-GM10-308A

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Clutch Kit, 450 Street, 11 in. Disc, 26 Spline, 1.125 in. Input Diameter, Diaphragm, GM, Kit

Part Number: HAY-91-1102

Not Yet Reviewed

Estimated Ship Date: Jan 9, 2026 if ordered today

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Wheel Hub Dust Cap, Steel, Zinc Plated, 1.773 in. o.d., Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: RSD-DC01

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

Cover, Automatic Transmission Governor, Steel, Black, 4L60, 700R4, Each

Part Number: ADO-8667827

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

• $20 Summit Bucks

Wheel Bearings, GM Genuine Parts, 0.844 in. Bore Diameter, Steel, 1.969 in. O.D., 0.690 in. Width, Buick, Chevy, Chrysler, Dodge, Ford, GMC, Each

Part Number: ADO-A3

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

• $20 Summit Bucks

Spool, Full Size, Steel, 28-Spline, 10-Bolt, GM 8.5 in., Each

Part Number: MGR-FS10-28

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

• 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 12/22/2025

• Free Shipping

Universal Joint, Steel, Buick, Cadillac, Chevrolet, GMC, Each

Part Number: ADO-23104840

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

• $20 Summit Bucks

Torque Converters, Twister 3/4 Race, Street/Strip, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevy THM700-R4/4L60/MD8, Each

Part Number: HAY-97-1E28Q

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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• Free Shipping
• Special Order