BUICK ROADMASTER Transmission & Drivetrain

Accumulator Check Valve, Automatic Transmission Rebuild Component, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-8634400

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20 Summit Bucks

Ring Gear Spacer, GM 7.5 in. Ring Gear, Hardware Included, Each

Part Number: MGR-075050

4.06 out of 5 stars ( 17 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Ring and Pinion Installation Kit, Basic, GM 8.5 in., Front/Rear, Kit

Part Number: MGR-R10RTPK

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Transmission Fluid Dipstick Components, Dipstick Tube O-Ring, Buick, Cadillac, Chevrolet, Oldsmobile, Pontiac, Rolls-Royce, Jeep, Each

Part Number: ATP-JO16

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Ring Gear Spacer, 0.200 in. Thick, 10-bolt, GM 8.5 in., Each

Part Number: MGR-085050

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Pinion Shaft, CROSS PIN-GM 10 BOLT 8.5" - 93

Part Number: RMG-XL-5640

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Wheel Bearings, ACDelco GM Genuine Parts Wheel Bearings, Multi-Purpose Bearing, Each

Part Number: ADO-203FF

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Estimated Ship Date: Today

• $20 Summit Bucks

WASHER PIN 8.5 GM 10 BOLT

Part Number: MGR-3984818

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: RMG-81-1028-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Axle Shaft Retainer

Part Number: MGR-3833322

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Gear, Ring and Pinion, EXCel, 3.42:1 Ratio, GM, 7.5/7.625 in., 10-Bolt, Set

Part Number: RMG-GM75342TK

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Carrier Bearing, Stamped Steel, 2.680 in. Diameter, Front, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Each

Part Number: ADO-S1413

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Estimated Ship Date: Today

• $20 Summit Bucks

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

Part Number: RMG-GM75410TK

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Automatic Transmission Control Solenoids, Replacement, Avanti, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ATP-CE-14

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Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential Carrier Rebuild Kit, GM 7.625 in., 28 Spline, Rear, Open Carrier, Buick, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Kit

Part Number: RMG-XL-4042

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Estimated Ship Date: Dec 29, 2025 if ordered today

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Seal Buick,Cadillac 56-69

Part Number: FWB-SS3094

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: MGR-R10RSK

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Torque Converters, Reman., OEM Style, 1.750 in. Slotted Hub, 3 Pad Mount, Stock Stall, Buick, Cadillac, Chevy, GMC, Isuzu, Oldsmobile, Pontiac, Each

Part Number: CCV-TQBU38W

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

• Core Charge $75.00
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Bearing, Automatic Transmission Turbine Shaft Bearing, Replacement, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Each

Part Number: ADO-8642066

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Estimated Ship Date: Today

• $20 Summit Bucks

Shifter Cable Bushing, Dentent Cable, Chevrolet, GMC, Pontiac, Oldsmobile, Buick, Each

Part Number: ATP-SO37

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Estimated Ship Date: Today

Automatic Transmission Band, Stock Replacement, GM, 4L60, 4L65, 4L70, 2-4 Band, Each

Part Number: ADO-24232236

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Estimated Ship Date: Today

• $20 Summit Bucks

Automatic Transmission Control Solenoids, Replacement, AM General, BMW, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Each

Part Number: ATP-JE14

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Differential Spool Bearing Kit; Fits GM 8.5 in. 10 Bolt; Incl. Bearings/Bearing Races

Part Number: RMG-29-0013-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 29, 2025 if ordered today

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Bolt, Flywheel Fastener, Hex, 7/16-20 in. Thread, Steel, Black, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ATP-ZX203

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Auto Trans Reverse Boost Valve

Part Number: ADO-24224511

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks