Hummer Cometic Gasket Head Gaskets

Looking to upgrade your Hummer with a head gasket from Cometic Gasket? We carry a great variety of Cometic Gasket Head Gaskets and other engine component performance parts for your Hummer.

We have 140 Cometic Gasket Head Gaskets available for Hummer models with free shipping to the Continental US 48 States.

Hummer Cometic Gasket Head Gaskets

Hummer H3 View all Hummer H3 Head Gaskets

SHIPS FROM MANUFACTURER C5751-092 Cometic GM LS1 SB 4.060 inch Bore .092 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $134.22 Details

SHIPS FROM MANUFACTURER C5751-120 Cometic GM LS1 SB 4.060 inch Bore .120 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $224.50 Details

SHIPS FROM MANUFACTURER C5317-030 Cometic GM LS1 SB 4.130 inch Bore .030 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5317-056 Cometic GM LS1 SB 4.130 inch Bore .056 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5317-070 Cometic GM LS1 SB 4.130 inch Bore .070 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5317-120 Cometic GM LS1 SB 4.130 inch Bore .120 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $224.50 Details

SHIPS FROM MANUFACTURER C5318-027 Cometic GM LS1 SB 4.160 inch Bore .027 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5318-030 Cometic GM LS1 SB 4.160 inch Bore .030 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5318-036 Cometic GM LS1 SB 4.160 inch Bore .036 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5319-040 Cometic GM LS1 SB 4.190 inch Bore .040 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5319-045 Cometic GM LS1 SB 4.190 inch Bore .045 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5319-060 Cometic GM LS1 SB 4.190 inch Bore .060 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5489-051 Cometic GM LS1 SB 4.100in Bore .051in MLS-5 Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5489-062 Cometic GM LS1 SB 4.100in Bore .062in MLS-5 Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5489-060 Cometic GM LS1 SB 4.100in Bore .060in MLS-5 Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5489-080 Cometic GM LS1 SB 4.100in Bore .080in MLS-5 Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $134.22 Details

SHIPS FROM MANUFACTURER C15361-051 Cometic GM LS V8 4.8L/5.3L 3.810in Bore .051 Thick MLS Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C15408-050 Cometic GM LS1 SB 4.100in Bore 0.050in Copper Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $125.59 Details

SHIPS FROM MANUFACTURER C5317-040 Cometic GM LS1 SB 4.130 inch Bore .040 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5317-051 Cometic GM LS1 SB 4.130 inch Bore .051 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5317-027 Cometic GM LS1 SB 4.130 inch Bore .027 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5317-036 Cometic GM LS1 SB 4.130 inch Bore .036 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

IN STOCK - LOW C5317-045 Cometic GM LS1 SB 4.130 inch Bore .045 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $99.40 Details

SHIPS FROM MANUFACTURER C5317-060 Cometic GM LS1 SB 4.130 inch Bore .060 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5317-075 Cometic GM LS1 SB 4.130 inch Bore .075 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5317-098 Cometic GM LS1 SB 4.130 inch Bore .098 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $134.22 Details

SHIPS FROM MANUFACTURER C5318-056 Cometic GM LS1 SB 4.160 inch Bore .056 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5318-060 Cometic GM LS1 SB 4.160 inch Bore .060 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5318-075 Cometic GM LS1 SB 4.160 inch Bore .075 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5319-030 Cometic GM LS1 SB 4.190 inch Bore .030 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5319-051 Cometic GM LS1 SB 4.190 inch Bore .051 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5319-056 Cometic GM LS1 SB 106.43mm .056in MLS-5 Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5489-066 Cometic GM LS1 SB 4.100in Bore .066in MLS-5 Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5505-040 Cometic GM LS Series V8 4.040in bore .040in MLX Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $128.12 Details

SHIPS FROM MANUFACTURER C5751-051 Cometic GM LS1 SB 4.060 inch Bore .051 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

IN STOCK - LOW C5318-040 Cometic GM LS1 SB 4.160 inch Bore .040 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $99.40 Details

SHIPS FROM MANUFACTURER C5475-075 Cometic GM LS1 SB 3.910 inch Bore .075 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5751-140 Cometic GM LS1 SB 4.060 inch Bore .140 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $224.50 Details

SHIPS FROM MANUFACTURER C5318-080 Cometic GM LS1 SB 4.160 inch Bore .080 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $134.22 Details

IN STOCK C5505-051 Cometic GM LS Series V8 4.040in bore .051 inch MLX Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $121.52 Details

SHIPS FROM MANUFACTURER C15361-040 Cometic GM LS V8 96.77mm Bore .040in MLS Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $106.00 Details

SHIPS FROM MANUFACTURER C5505-060 Cometic GM LS Series 102.62mm Bore .060 in MLX-5 Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $128.12 Details

IN STOCK C5489-056 Cometic GM LS1 SB 4.100in Bore .056in MLS Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $123.44 Details

SHIPS FROM MANUFACTURER C5475-086 Cometic GM LS1 SB 3.910in Bore .086in Thick MLS Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $134.22 Details

IN STOCK C5489-040 Cometic GM LS1 SB 4.100in Bore .040in MLS-5 Head Gasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $99.40 Details

IN STOCK C5751-040 Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $99.40 Details

IN STOCK C5475-040 Cometic GM LS1 SB 3.910 inch Bore .040 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $99.40 Details

SHIPS FROM MANUFACTURER C5751-089 Cometic GM LS1 SB 4.060 inch Bore .089 inch MLS-5 Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $134.22 Details

SHIPS FROM MANUFACTURER C5318-066 Cometic GM LS1 SB 4.160 inch Bore .066 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details

SHIPS FROM MANUFACTURER C5318-070 Cometic GM LS1 SB 4.160 inch Bore .070 inch MLS Headgasket 2008-2009 Hummer H3 Adventure 2008-2010 Hummer H3 Alpha 2008-2010 Hummer H3 Base 2008-2009 Hummer H3 Luxury 2008-2009 Hummer H3 X $130.04 Details