BUICK ROADMASTER Transmission & Drivetrain

Differential Carrier, Open, GM 7.625 in., 3.23 and higher ratio, Each

Part Number: MGR-GM7-6E

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Differential Cover, Steel, Natural, GM, 8.5 in., 8.6 in., 1982 thru 2001, Each

Part Number: RNB-697-700

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

Pinion Bearing Kit, PBK GM 7.50/7.625 in. 1982-1998, Kit

Part Number: MGR-R7-5GRTPK

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

Hays Twister 3/4 Race Torque Converter 1984- 97 GM, 4L60/4L60E/700R4, 2400- 2800 RPM stall

Part Number: HAY-97-1G24Q

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025

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Axle Bearing, Outer, Each

Part Number: TMK-TRP1563TAV

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/22/2025

Automatic Transmission Filters, Black Fiber Gaskets, THM700-R4/4L60/MD8, Bentley, Buick, Cadillac, Chevy, GMC, Olds, Pontiac, Rolls-Royce, Kit

Part Number: ATP-TF96

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

Wheel Bearing, GM Genuine Part, for use on Honda®, AMC, Buick, Cadillac, Chevy, Dodge, Ford, GMC, Isuzu, Jeep, Mercury, Olds, Plymouth, Pontiac, Each

Part Number: ADO-5707

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

• $20 Summit Bucks

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: Monday 12/22/2025

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Universal Joint Clamps, Steel, Pair

Part Number: MOG-530-10

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 12/22/2025

Differential Shims, Carrier, Steel, GM, 8.5 in., 8.625 in., Kit

Part Number: MGR-GM10MSK

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 7.5 in./7.625 in., 10-Bolt, 2 Series, Set

Part Number: RMG-49-0009-1

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Axle Bearing Seal, Rear, Oil Seal, Nitrile, Avanti, Buick, Chevy, Dodge, Ford, Each

Part Number: NTL-8660S

3.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

Clutch Kit, Street 650 Clutch Conversion Kits, Organic, Diaphragm, 1.125 in. Diameter Shaft, 26-Spline, 11 in. Diameter Disc, Dodge, Plymouth, Kit

Part Number: HAY-92-1102

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

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Ring and Pinion Installation Kit, GM, 10-Bolt, 8.5 in. Diameter Ring Gear, 30-Spline Pinion, Kit

Part Number: RMG-831021B

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

Wheel Hub Dust Cap, Steel, Zinc, 2.094 in. Diameter, Buick, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Pontiac

Part Number: RNB-618-102

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/22/2025

Flexplate Ring Gear, 168-Tooth, Replacement, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-ZA500

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Monday 12/22/2025

Seal, Automatic Transmission Selector Shaft, Each

Part Number: TMK-8792S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/22/2025

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/22/2025

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Differential Carrier Bearing, Races Included, Koyo Bearing, Steel, Set

Part Number: MGR-706016XR

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

Ring and Pinion Kit

Part Number: RMG-GM75355

Not Yet Reviewed

Estimated Ship Date: Monday 12/22/2025

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Clutch Booster Spring, Automatic Transmission, Stock Replacement, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Car, Truck, Each

Part Number: ADO-8667424

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

• $20 Summit Bucks

Universal Joint Strap Kit, Steel, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Pair

Part Number: ADO-45U0505

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/22/2025

• $20 Summit Bucks

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: Monday 12/22/2025

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Differential, Lock-Right, Locker, 26-Spline, GM, 7.5 in., Each

Part Number: PWT-1930-LR

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/22/2025

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• Mfr. Rebate

$35.00 Mail-In Rebate

Price after Manufacturer Rebate: $608.99

Rebate Expires: 12/31/2025

Get $35 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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Differential Carrier Bearings, Standard Replacement, Includes Cup, 1.625 in. Bore, AMC, GM, Mopar, Jeep, International, Studebaker, Hummer, Each

Part Number: TMK-SET69

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/22/2025