$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

It's the Season for Savings - Shop Holiday Deals Now!

Filters

Selected Filters

Filter Results by Vehicle

Loading...

Availability

2012 GMC SIERRA-1500 Gaskets & Seals

Individual Parts
Part Groups

Results 176 - 200 of 374

Cometic Head Gaskets C15509-040

Cometic Head Gaskets C15509-040

Cometic Head Gaskets C15509-040

.040" MLS HEAD GASKET

Part Number: CGT-C15509-040

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5318-027

Made in the USA Cometic MLS Head Gaskets C5318-027

Cometic MLS Head Gaskets C5318-027

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

Part Number: CGT-C5318-027

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Fel-Pro O-Rings 73193

Fel-Pro O-Rings 73193

Fel-Pro O-Rings 73193

Multi Purpose O-Ring, O-RING

Part Number: FEL-73193

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

...Loading

Estimated Ship Date: Monday 11/24/2025

Cometic MLS Head Gaskets C5475-084

Made in the USA Cometic MLS Head Gaskets C5475-084

Cometic MLS Head Gaskets C5475-084

.084" MLS-5 HEAD GASKET

Part Number: CGT-C5475-084

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Fel-Pro Head Gasket Sets HS 26192 PT-4

Fel-Pro Head Gasket Sets HS 26192 PT-4

Fel-Pro Head Gasket Sets HS 26192 PT-4

Gaskets, Head Set, Chevy, 6.0L, 6.2L, Set

Part Number: FEL-HS26192PT4

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 15, 2025 if ordered today

AP Exhaust Flange Gaskets 8762

AP Exhaust Flange Gaskets 8762

AP Exhaust Flange Gaskets 8762

Exhaust Flange and Donut Gaskets, Fits 2.813 in. Exhaust Pipe Diameter, for use on Acura®, for Nissan, Chevy, Ford, GMC, Mercury, Olds, Pontiac, Each

Part Number: APH-8762

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

...Loading

Estimated Ship Date: Monday 11/24/2025

Motive Gear Pinion Seals 8610

Motive Gear Pinion Seals 8610

Motive Gear Pinion Seals 8610

Differential Pinion Seal

Part Number: MGR-8610

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 11, 2025 if ordered today

Cometic MLS Head Gaskets C5475-120

Made in the USA Cometic MLS Head Gaskets C5475-120

Cometic MLS Head Gaskets C5475-120

.120" MLS HEAD GASKET

Part Number: CGT-C5475-120

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5751-056

Made in the USA Cometic MLS Head Gaskets C5751-056

Cometic MLS Head Gaskets C5751-056

Head Gasket, MLS, 4.060 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-056

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5317-060

Made in the USA Cometic MLS Head Gaskets C5317-060

Cometic MLS Head Gaskets C5317-060

Head Gasket, MLS, 4.130 in. Bore, .060 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-060

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Granatelli Motor Sports Valve Cover Gaskets 640369

Granatelli Motor Sports Valve Cover Gaskets 640369

Granatelli Motor Sports Valve Cover Gaskets 640369

Valve Cover Gaskets, Neoprene, Chevy, LS, Pair

Part Number: GRN-640369

Not Yet Reviewed

Estimated Ship Date: Dec 19, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 19, 2025 if ordered today

ACDelco GM Genuine Parts Water Pump Gaskets 12681600

ACDelco GM Genuine Parts Water Pump Gaskets 12681600

ACDelco GM Genuine Parts Water Pump Gaskets 12681600

Water Pump Gasket, GM Genuine Part, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: ADO-251-2022

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

...Loading

Estimated Ship Date: Monday 11/24/2025

Fel-Pro Exhaust Pipe Flange Gaskets 61287

Fel-Pro Exhaust Pipe Flange Gaskets 61287

Fel-Pro Exhaust Pipe Flange Gaskets 61287

Exhaust Pipe Gasket

Part Number: FEL-61287

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

...Loading

Estimated Ship Date: Monday 11/24/2025

ACDelco Crankshaft Front Seals 19340217

ACDelco Crankshaft Front Seals 19340217

ACDelco Crankshaft Front Seals 19340217

Timing Cover Seals, ACDelco Crankshaft Front Seals, Multiple Applications, Each

Part Number: ADO-5200

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

...Loading

Estimated Ship Date: Monday 11/24/2025

Fel-Pro EGR Gaskets 70947

Fel-Pro EGR Gaskets 70947

Fel-Pro EGR Gaskets 70947

EGR Gasket, Steel Core Laminate, Avanti, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, Each

Part Number: FEL-70947

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

...Loading

Estimated Ship Date: Monday 11/24/2025

Cometic MLS Head Gaskets C5317-051

Made in the USA Cometic MLS Head Gaskets C5317-051

Cometic MLS Head Gaskets C5317-051

Head Gasket, MLS, 4.130 in. Bore, .051 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-051

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5489-089

Made in the USA Cometic MLS Head Gaskets C5489-089

Cometic MLS Head Gaskets C5489-089

Head Gasket, MLS, 4.100 in. Bore, .089 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-089

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5751-092

Made in the USA Cometic MLS Head Gaskets C5751-092

Cometic MLS Head Gaskets C5751-092

Head Gasket, MLS, 4.060 in. Bore, .092 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5751-092

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5489-086

Made in the USA Cometic MLS Head Gaskets C5489-086

Cometic MLS Head Gaskets C5489-086

Head Gasket, MLS, 4.100 in. Bore, .086 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-086

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Fel-Pro Exhaust Pipe Flange Gaskets 61559

Fel-Pro Exhaust Pipe Flange Gaskets 61559

Fel-Pro Exhaust Pipe Flange Gaskets 61559

Gasket, Exhaust Pipe Flange, Graphite, AM General, Cadillac, Chevy, GMC, Hummer, Workhorse, Each

Part Number: FEL-61559

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 12, 2025 if ordered today

...Loading

Estimated Ship Date: Dec 12, 2025 if ordered today

Cometic MLS Head Gaskets C5317-054

Made in the USA Cometic MLS Head Gaskets C5317-054

Cometic MLS Head Gaskets C5317-054

Head Gasket, MLS, 4.130 in. Bore, .054 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5317-054

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5489-075

Made in the USA Cometic MLS Head Gaskets C5489-075

Cometic MLS Head Gaskets C5489-075

Head Gasket, MLS, 4.100 in. Bore, .075 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-075

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5489-056

Made in the USA Cometic MLS Head Gaskets C5489-056

Cometic MLS Head Gaskets C5489-056

Head Gasket, MLS, 4.100 in. Bore, .056 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5489-056

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5475-066

Made in the USA Cometic MLS Head Gaskets C5475-066

Cometic MLS Head Gaskets C5475-066

Head Gasket, 3.910 in. Bore, .066 in. Compressed Thickness, Chevy, LS, 5.7, Each

Part Number: CGT-C5475-066

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Cometic MLS Head Gaskets C5476-056

Made in the USA Cometic MLS Head Gaskets C5476-056

Cometic MLS Head Gaskets C5476-056

.056" MLS-5 HEAD GASKET

Part Number: CGT-C5476-056

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 19, 2026 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.

Summit Racing Speedcard. Synchrony Car Care.

Summit Racing Equipment SpeedCard

Jumpstart Your Next Project!

View Details|See if you Prequalify