1991 GMC SONOMA Engine Gaskets & Seals

Gaskets, Timing Cover, Paper, Chevy, Small Block/90 Degree V6, Kit

Part Number: FEL-TCS45121

4.81 out of 5 stars ( 36 )

Estimated Ship Date: Monday 1/19/2026

• $20 Summit Bucks

Gasket, Neoprene, Water Outlet, Chevy, Big/Small Block, Each

Part Number: FEL-35562T

4.88 out of 5 stars ( 16 )

Estimated Ship Date: Monday 1/19/2026

• $20 Summit Bucks

Timing Cover Seal, Each

Part Number: TMK-9845

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/19/2026

Head Gasket, Steel Core Laminate, Chevy, Isuzu, GMC, Oldsmobile, Pontiac, 4.3L, V6, Each

Part Number: FEL-9354PT1

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

• $20 Summit Bucks

Gasket Pack, Throttle Body Injection, Chevy, GMC, Pontiac, Set

Part Number: SMP-2014A

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Timing Cover Gaskets, Original, Paper, Water Pump Gasket, Fuel Pump Gasket, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: MAH-JV1041

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Water Neck Gasket and O-Ring, Thermostat Housing and Coolant Outlet Gasket, Rubber/Steel Core, Buick, Cadillac, Chevy, GMC, Jeep, Pontiac, Each

Part Number: MAH-C32721

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

Valve Cover Gaskets, Rubber, Chevy, 4.3L, V6, Pair

Part Number: FEL-VS50086R

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

• $20 Summit Bucks

Timing Cover Gasket, Composite, Chevy, Each

Part Number: ADO-10108435

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026