1998 GMC Differential Gaskets & Seals

Differential Pinion Seal, Rubber, Dana 60, 61, 70, Chevrolet, GMC, Ford, Truck, Van, Heavy Duty, Each

Part Number: SDH-42449

Not Yet Reviewed

Estimated Ship Date: Monday 1/12/2026

Differential Cover Gasket, Cork, GM 8.2 in., GM 8.5 in., GM 8.6 in., Each

Part Number: YGA-23020

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/12/2026

Pinion Seal, Steel with Rubber Inner, Each

Part Number: YGA-30192

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

Differential Cover Gaskets, GM Genuine Parts, Paper, GM 8.5/8.625 in., Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-15807693

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

Differential Cover Gasket, Cork, Dana 50, Dana 60, Dana 70, Each

Part Number: YGA-23007

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

Differential Cover Gasket, Cork, GM 10.5 in. 14-Bolt, Each

Part Number: YGA-23016

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

Differential Cover Gasket, GM 7.5 in.. GM 7.625 in., Cork, Each

Part Number: YGA-23018

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/12/2026

Differential Pinion Seal, Rear Outer, Nitrile, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Saab, Each

Part Number: TMK-710506

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/12/2026

Differential Pinion Seal

Part Number: MGR-9316

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Axle Drive Flange Gaskets

Part Number: NAL-12471641

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

• Drop Ship
• Special Order