1991 GMC SONOMA Gaskets & Seals

Rear Main Seals, One-piece, PTFE, AM General, Avanti, Buick, Cadillac, Chevrolet, Excalibur, GMC, Isuzu, Oldsmobile, Pontiac, Each

Part Number: FEL-BS40626

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Today

• $20 Summit Bucks

Rear Main Seal, 1-Piece, Rubber, Chevy, Small Block, Each

Part Number: FEL-BS40520

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

• $20 Summit Bucks

Rear Main Seal, 1-piece Style, Chevy, Each

Part Number: NAL-10088158

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: FEL-TCS45265

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $20 Summit Bucks

Transmission Pan Gasket, Rubber with Steel Core, Chevy, THM700-R4/4L60/4L60E, Each

Part Number: MRG-51G05MRG

Not Yet Reviewed

Estimated Ship Date: Today

Gaskets, Manifold, Intake, Composite, 2.10 in. x 1.28 in. Port, .060 in. Thick, Chevy, 90 Degree V6, Set

Part Number: EDL-7209

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Today

Transmission Pan Gasket, Cork/Neoprene, GM 700R4, Each

Part Number: MRG-8695

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

Oil Pan Gasket, Multi-Piece, Rubber, Chevy, GMC/Oldsmobile, Pontiac, 4.3L, V6, Each

Part Number: FEL-OS34502R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• $20 Summit Bucks

Differential Pinion Seal, Nitrile, Each

Part Number: TMK-8611N

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Rear Main Seals, Original, One-piece, PTFE Rubber, Chevy, Each

Part Number: MAH-JV1634

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Differential Pinion Seal, Rear Outer, Nitrile, Avanti, Buick, Cadillac, Chevy, GMC, Each

Part Number: TMK-8610

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Seal, Transmission Rear Seal, AM General, Buick, Chevy, GMC, Isuzu, Jeep, Rolls Royce, Kit

Part Number: TMK-5208

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Head Gasket, PermaTorque Severe Duty, 4.125 in. Bore, 0.041 in. Compressed Thickness, Pontiac, Isuzu, Oldsmobile, Chevy, GMC, Each

Part Number: FEL-510SD

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Gaskets, Manifold, Intake, Composite, Stock Port, Chevy, GMC/Pontiac, 4.3L, V6, Set

Part Number: FEL-MS93346

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20 Summit Bucks

Head Gasket, Graphite/Steel, 4.110 in. Bore, 0.030 in. Thickness, Chevy, GMC, Each

Part Number: ADO-12552362

Not Yet Reviewed

Estimated Ship Date: Today

Rear Main Seal, 1-Piece, Rubber, Each

Part Number: FEL-BS40464

Not Yet Reviewed

Estimated Ship Date: Today

• $20 Summit Bucks

Valve Cover Gasket, PermaDryPlus, AMC, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, L4, Kit

Part Number: FEL-VS50179T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $20 Summit Bucks

Washers, Rubber/Steel, for Oil Pan Drain Plug, Set of 25

Part Number: RNB-097-021

Not Yet Reviewed

Estimated Ship Date: Today

Rear Main Seal, 1-Piece, Chevy, Small Block, V8/90 Degree V6, Each

Part Number: MRG-29

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

• Drop Ship
• Special Order