2015 GMC SIERRA-3500-HD Gaskets & Seals

Head Gasket, Multi-Layer Steel, .041 in. Compressed Thickness, GM, Duramax, Each

Part Number: MAH-54585

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-027

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Estimated Ship Date: Monday 9/22/2025

Head Gasket, MLS, 4.160 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-051

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Estimated Ship Date: Monday 9/22/2025

Head Gasket, MLS, 4.060 in. Bore, .045 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-045

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Estimated Ship Date: Monday 9/22/2025

Head Gasket, MLS, 4.100 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Head Gasket, Multi-Layer Steel, GM, Duramax 6.6L Engine, Each

Part Number: MAH-54582

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Timing Cover Gaskets, Timing Chain Cover Gaskets, Rubber, Water Pump Gaskets, Timing Cover Seal, Chevy, Small Block LS, Set

Part Number: MRG-61015G

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Rear Main Seals, Rear Crankshaft Oil Seals, One-piece, Chevrolet, GMC, 6.6L Diesel, Each

Part Number: ADO-97209342

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Head Gasket, MLS, 4.130 in. Bore, .032 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-032

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

.040" MLS HEAD GASKET

Part Number: CGT-C15509-040

Not Yet Reviewed

Estimated Ship Date: Nov 5, 2025 if ordered today

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Valve Cover Gaskets

Part Number: NAL-97321295

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .030 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-030

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Engine Cylinder Head Gasket

Part Number: CGT-C5477-036

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Head Gaskets, Multi-layer Steel, 4.137 in. Bore, 0.050 in. Compressed Thickness, Chevrolet, GMC, Hummer, 6.6L Diesel, Each

Part Number: MAH-54584

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

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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: Oct 14, 2025 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-056

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-051

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Estimated Ship Date: Nov 5, 2025 if ordered today

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.034" MLS HEAD GASKET

Part Number: CGT-C5317-034

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-027

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Head Gasket, MLS, 4.160 in. Bore, .036 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5318-036

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Cylinder Head Gasket , .032" MLX HEAD GASKET , GM LS SERIES V8 4.150" BORE

Part Number: CGT-C5014-032

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Head Gasket, Multi-Layer Steel, 4.130 in. Bore, Chevy, GMC, Hummer, Right, Each

Part Number: MAH-54581

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Estimated Ship Date: Oct 23, 2025 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .070 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-070

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Head Gasket, MLS, 4.190 in. Bore, .066 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5319-066

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Estimated Ship Date: Nov 5, 2025 if ordered today

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Head Gasket, MLS, 4.130 in. Bore, .027 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-027

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Estimated Ship Date: Nov 5, 2025 if ordered today

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