GMC SIERRA 3500 HD Gaskets & Seals

Gasket, Gen. 3/4 LS Timing Cover Set with Seal and Oil pump O-Rings, Cork/Rubber, 4.8/5.3/5.7/6.0/6.2L, V8's, Kit

Part Number: FEL-TCS45993

4.92 out of 5 stars ( 71 )

Estimated Ship Date: Today

• $50.00 Summit Bucks

Head Gasket, PermaTorqueMLS, 4.145 in. Bore, .037 in. Compressed Thickness, Chevy, GMC, Each

Part Number: FEL-26401PT

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• $50.00 Summit Bucks
• Special Order

Head Gaskets, PermaTorque MLS, 4.145 in. Bore, Multi-layer Steel, 0.0370 in. Thickness, Right Side, Chevrolet, GMC, Hummer, 6.6L Diesel, Each

Part Number: FEL-26402PT

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Estimated Ship Date: Nov 17, 2025 if ordered today

• $50.00 Summit Bucks
• Special Order

Timing Cover Seal, Front Crankshaft Seal, Gasket, O-Rings, Chevrolet, GMC, 6.6L, Duramax, Kit

Part Number: FEL-TCS45055

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Estimated Ship Date: Nov 17, 2025 if ordered today

• Drop Ship
• $50.00 Summit Bucks
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Exh. Man. Gaskt Set

Part Number: FEL-MSB-92467

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Estimated Ship Date: Nov 14, 2025 if ordered today

• $50.00 Summit Bucks
• Special Order

Head Gaskets, PermaTorque MLS, 4.145 in. Bore, Multi-layer Steel, 0.0470 in. Thickness, Right Side, Chevrolet, GMC, Hummer, 6.6L Diesel, Each

Part Number: FEL-26406PT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 17, 2025 if ordered today

• $50.00 Summit Bucks
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Valve Stem Seals, Positive Stop, Chevrolet, GMC, 6.6L, Duramax, Set of 32

Part Number: FEL-SS72551

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Estimated Ship Date: Nov 17, 2025 if ordered today

• $50.00 Summit Bucks
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Turbocharger Gasket, Installation Kit, Chevy, GMC, Hummer, Kit

Part Number: FEL-ES73047

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

• $50.00 Summit Bucks
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Head Gaskets, PermaTorque MLS, 4.145 in. Bore, Multi-layer Steel, 0.0470 in. Thickness, Left Side, Chevrolet, GMC, Hummer, 6.6L Diesel, Each

Part Number: FEL-26405PT

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 14, 2025 if ordered today

• $50.00 Summit Bucks
• Special Order