Availability
2020 GMC Cometic Parts and Accessories
Head Gasket, MLX, 4.040 in. Bore, .051 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5505-051
Estimated Ship Date: May 11, 2026 if ordered today
Estimated Ship Date: May 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Head Gasket, MLS, 4.060 in. Bore, .036 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5751-036
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Head Gasket, MLS, 4.060 in. Bore, .045 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5751-045
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Head Gasket, MLS, 4.100 in. Bore, .036 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5489-036
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Head Gasket, MLS, 4.100 in. Bore, .098 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5489-098
Estimated Ship Date: Today
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Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.036 in. Compressed Thickness, Chevrolet, LS, Each
Part Number: CGT-C5477-036
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Head Gasket, MLS, 4.060 in. Bore, .070 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5751-070
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EXHAUST GASKET SET
Part Number: CGT-C15547
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Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.066 in. Compressed Thickness, Chevrolet, LS, Each
Part Number: CGT-C5477-066
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Head Gasket, MLS, 4.130 in. Bore, .040 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5317-040
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Exhaust Gaskets, MLS, .021 in. Thickness,1.764 in. W. x 2.086 in, H, GEN 5 SBC, 6.2L LT1, Pair
Part Number: CGT-C5020-021
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Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.060 in. Compressed Thickness, Chevrolet, LS, Each
Part Number: CGT-C5477-060
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Head Gasket, MLS, 4.100 in. Bore, .027 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5489-027
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Head Gasket, MLS, 4.130 in. Bore, .032 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5317-032
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Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
Head Gasket, MLS, 4.160 in. Bore, .066 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5318-066
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Head Gasket, MLS, 4.100 in. Bore, .062 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5489-062
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Estimated Ship Date: May 15, 2026 if ordered today
Estimated Ship Date: May 15, 2026 if ordered today
Head Gasket, MLX, 4.040 in. Bore, .066 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5505-066
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Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
.060" HTS EXHAUST GASKETS
Part Number: CGT-C15193HTS
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Estimated Ship Date: Today
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Head Gasket, MLS, 4.130 in. Bore, .051 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5317-051
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
.051" MLS 1/2" STUDS HEAD GSKT
Part Number: CGT-C15508-051
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
Head Gasket, MLS, 4.160 in. Bore, .056 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5318-056
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Estimated Ship Date: Today
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Head Gasket, MLS, 4.060 in. Bore, .098 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5751-098
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
Head Gasket, MLS, 4.130 in. Bore, .060 in. Compressed Thickness, Chevy, Each
Part Number: CGT-C5317-060
Not Yet Reviewed
Estimated Ship Date: Jul 13, 2026 if ordered today
Estimated Ship Date: Jul 13, 2026 if ordered today
.040" MLX HEAD GASKET
Part Number: CGT-C5014-040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Head Gasket, MLS, Multi-layer Stainless Steel, 4.000 in. Bore, 0.098 in. Compressed Thickness, Chevrolet, LS, Each
Part Number: CGT-C5477-098
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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