GMC Transmission Gaskets & Seals

Speedometer Driven Gear Seal, O-Ring, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-1240382

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Transmission Rear Seals, Automatic Output Shaft Seal, Replacement, Rubber, GM, 4L60/4L65/4L70/700R4/MD8/TH350C/TH400, Each

Part Number: ADO-3764601

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Transmission Seal, Rear, Ethylene Acrylic, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-8673526

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Automatic Transmission Torque Converter Seal, Rubber, Chevrolet, GMC, Pontiac, Each

Part Number: ADO-24209839

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Automatic Transmission Oil Pump Seal, Each

Part Number: ADO-3227

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Automatic Transmission Oil Pump Seal, Chevrolet, GMC, Each

Part Number: ADO-8661602

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Automatic Transmission Servo Sealing Rings, Low and Reverse Band Servo Piston Seal, Chevrolet, THM-R2, TH475, TH400, MT1, MN8, M40, 4L85E, 4L80E, Each

Part Number: ADO-8623430

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

Automatic Transmission Pump Gasket, OE Replacement, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, THM700/4L60/MD8, Each

Part Number: ADO-8642581

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• $20 Summit Bucks

GASKET-A/TRNS TORQ DPNR HSG

Part Number: ADO-24262194

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Auto Trans Turbine Shaft Seal

Part Number: ADO-8662686

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

• $20 Summit Bucks
• Special Order

BEARING ASM-OUTPUT SHF

Part Number: ADO-24041572

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order

GASKET-C/VLV BODY CVR

Part Number: ADO-24051191

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

• $20 Summit Bucks
• Special Order

SEAL-ACCUM BYPASS VLV

Part Number: ADO-24265972

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Valve Body Gasket, Separator Plate Gasket, OE Replacement, GM, 4L80E, Each

Part Number: ADO-8684205

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Flywheel Housing Gasket ,Flywheel Housing Cover Gasket

Part Number: ADO-97229043

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

• $20 Summit Bucks
• Special Order

Auto Trans Filter O-Ring

Part Number: ADO-08685775

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 15, 2026 if ordered today

• $20 Summit Bucks
• Special Order