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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 H2

Cometic Gasket Head Gaskets C5319-036
SHIPS FROM MANUFACTURER
C5319-036
Cometic GM LS1 SB 4.190in Bore .036in MLS Head Gasket
2003-2009 Hummer H2 Base
$106.00
Cometic Gasket Head Gaskets C5319-027
SHIPS FROM MANUFACTURER
C5319-027
Cometic GM LS1 SB 4.190in Bore .027in MLS Head Gasket
2003-2009 Hummer H2 Base
$106.00
Cometic Gasket Head Gaskets C15496-051
SHIPS FROM MANUFACTURER
C15496-051
Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 4.080in Bore .051in MLS Cylinder Head Gasket
2003-2009 Hummer H2 Base
$106.00
Cometic Gasket Head Gaskets C5489-030
IN STOCK
C5489-030
Cometic GM LS1/LS2/LS3/LS6 Gen-3/4 Small Block V8 .030in. MLS Cylinder Head Gasket 4.100in. Bore
2003-2009 Hummer H2 Base
$99.40
Cometic Gasket Head Gaskets C5489-075
SHIPS FROM MANUFACTURER
C5489-075
Cometic GM LS1 SB 4.100in Bore .075in MLS-5 Head Gasket
2003-2009 Hummer H2 Base
$130.04
Cometic Gasket Head Gaskets C15514-051
IN STOCK - LOW
C15514-051
Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.070in Bore
2003-2009 Hummer H2 Base
$99.40
Cometic Gasket Head Gaskets C5489-053
SHIPS FROM MANUFACTURER
C5489-053
Cometic GM LS1/LS2/LS3/LS6 Gen-3/4 Small Block V8 4.100in Bore .053in MLS Cylinder Head Gasket
2003-2009 Hummer H2 Base
$127.09
Cometic Gasket Head Gaskets C5317-066
SHIPS FROM MANUFACTURER
C5317-066
Cometic GM LS1 SB 4.130 inch Bore .066 inch MLS Headgasket
2003-2009 Hummer H2 Base
$130.04
Cometic Gasket Head Gaskets C15494-051
SHIPS FROM MANUFACTURER
C15494-051
Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.030in Bore
2003-2007 Hummer H2 Base
$106.00
Cometic Gasket Head Gaskets C5751-086
SHIPS FROM MANUFACTURER
C5751-086
Cometic GM LS1/LS2/LS3/LS6 Gen-3/4 Small Block V8 4.060in Bore .086in MLS Cylinder Head Gasket
2003-2009 Hummer H2 Base
$134.22
Cometic Gasket Head Gaskets C5788-040
IN STOCK - LOW
C5788-040
Cometic GM LS1 (w/M.I.D. Sleeves) 3.910 inch Bore .040 inch MLS Headgasket
2008-2008 Hummer H2 Base
$106.95
Cometic Gasket Head Gaskets C5789-036
SHIPS FROM MANUFACTURER
C5789-036
Cometic GM LS1 (w/M.I.D. Sleeves) 4.125 inch Bore .036 inch MLS Headgasket
2008-2008 Hummer H2 Base
$113.55
Cometic Gasket Head Gaskets C5789-060
SHIPS FROM MANUFACTURER
C5789-060
Cometic GM LS1 (w/M.I.D. Sleeves) 4.125 inch Bore .060 inch MLS-5 Headgasket
2008-2008 Hummer H2 Base
$141.00
Cometic Gasket Head Gaskets C5790-030
SHIPS FROM MANUFACTURER
C5790-030
Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .030 inch MLS Headgasket
2008-2008 Hummer H2 Base
$113.55
Cometic Gasket Head Gaskets C5790-040
IN STOCK - LOW
C5790-040
Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .040 inch MLS Headgasket
2008-2008 Hummer H2 Base
$106.95
Cometic Gasket Head Gaskets C5790-060
SHIPS FROM MANUFACTURER
C5790-060
Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .060 inch MLS-5 Headgasket
2008-2008 Hummer H2 Base
$141.00
Cometic Gasket Head Gaskets C5790-066
IN STOCK - LOW
C5790-066
Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .066 inch MLS-5 Headgasket
2008-2008 Hummer H2 Base
$134.40
Cometic Gasket Head Gaskets C5789-040
SHIPS FROM MANUFACTURER
C5789-040
Cometic GM LS1 (w/M.I.D. Sleeves) 4.125 inch Bore .040 inch MLS Headgasket
2008-2008 Hummer H2 Base
$113.55
Cometic Gasket Head Gaskets C5789-051
SHIPS FROM MANUFACTURER
C5789-051
Cometic GM LS1 (w/M.I.D. Sleeves) 4.125 inch Bore .051 inch MLS Headgasket
2008-2008 Hummer H2 Base
$113.55
Cometic Gasket Head Gaskets C5790-045
SHIPS FROM MANUFACTURER
C5790-045
Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .045 inch MLS Headgasket
2008-2008 Hummer H2 Base
$113.55
Cometic Gasket Head Gaskets C5790-051
SHIPS FROM MANUFACTURER
C5790-051
Cometic GM LS1 (w/M.I.D. Sleeves) 4.165 inch Bore .051 inch MLS Headgasket
2008-2008 Hummer H2 Base
$113.55

Hummer H3

Cometic Gasket Head Gaskets C5475-051
IN STOCK - LOW
C5475-051
Cometic GM LS1 SB 3.910in 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
$99.40
Cometic Gasket Head Gaskets C5489-036
SHIPS FROM MANUFACTURER
C5489-036
Cometic GM LS1 SB 4.100in Bore .036in 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
Cometic Gasket Head Gaskets C5489-070
SHIPS FROM MANUFACTURER
C5489-070
Cometic GM LS1 SB 4.100in Bore .070in 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
Cometic Gasket Head Gaskets C5014-052
SHIPS FROM MANUFACTURER
C5014-052
Cometic GM LS Series V8 4.150in Bore .052in Thick MLX 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
Cometic Gasket Head Gaskets C5489-045
SHIPS FROM MANUFACTURER
C5489-045
Cometic GM LS1 SB 4.100in Bore .045in 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
Cometic Gasket Head Gaskets C5751-060
SHIPS FROM MANUFACTURER
C5751-060
Cometic GM LS1 SB 4.060in Bore .060 inch 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
$130.04
Cometic Gasket Head Gaskets C5475-045
SHIPS FROM MANUFACTURER
C5475-045
Cometic GM LS1 SB 3.910 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
Cometic Gasket Head Gaskets C5751-045
SHIPS FROM MANUFACTURER
C5751-045
Cometic GM LS1 SB 4.060 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
Cometic Gasket Head Gaskets C5318-051
SHIPS FROM MANUFACTURER
C5318-051
Cometic GM LS1 SB 4.160 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
Cometic Gasket Head Gaskets C5475-060
SHIPS FROM MANUFACTURER
C5475-060
Cometic GM LS1 SB 3.910 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
Cometic Gasket Head Gaskets C5475-027
SHIPS FROM MANUFACTURER
C5475-027
Cometic GM LS1 SB 3.910 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
Cometic Gasket Head Gaskets C5475-030
SHIPS FROM MANUFACTURER
C5475-030
Cometic GM LS1 SB 3.910 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
Cometic Gasket Head Gaskets C5475-036
SHIPS FROM MANUFACTURER
C5475-036
Cometic GM LS1 SB 3.910 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
Cometic Gasket Head Gaskets C5475-066
SHIPS FROM MANUFACTURER
C5475-066
Cometic GM LS1 SB 3.910 inch Bore .066 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
Cometic Gasket Head Gaskets C5475-080
SHIPS FROM MANUFACTURER
C5475-080
Cometic GM LS1 SB 3.910 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
Cometic Gasket Head Gaskets C5475-098
SHIPS FROM MANUFACTURER
C5475-098
Cometic GM LS1 SB 3.910 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
Cometic Gasket Head Gaskets C5475-120
SHIPS FROM MANUFACTURER
C5475-120
Cometic GM LS1 SB 3.910 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
Cometic Gasket Head Gaskets C5476-040
SHIPS FROM MANUFACTURER
C5476-040
Cometic GM LS1 SB 3.970 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
Cometic Gasket Head Gaskets C5476-045
SHIPS FROM MANUFACTURER
C5476-045
Cometic GM LS1 SB 3.970 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
Cometic Gasket Head Gaskets C5476-051
SHIPS FROM MANUFACTURER
C5476-051
Cometic GM LS1 SB 3.970 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
Cometic Gasket Head Gaskets C5477-036
IN STOCK - LOW
C5477-036
Cometic GM LS1 SB 4.000 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
$99.40
Cometic Gasket Head Gaskets C5477-040
IN STOCK - LOW
C5477-040
Cometic GM LS1 SB 4.000 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
Cometic Gasket Head Gaskets C5477-045
IN STOCK - LOW
C5477-045
Cometic GM LS1 SB 4.000 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
Cometic Gasket Head Gaskets C5751-027
SHIPS FROM MANUFACTURER
C5751-027
Cometic GM LS1 SB 4.060 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
Cometic Gasket Head Gaskets C5751-030
SHIPS FROM MANUFACTURER
C5751-030
Cometic GM LS1 SB 4.060 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
Cometic Gasket Head Gaskets C5751-036
SHIPS FROM MANUFACTURER
C5751-036
Cometic GM LS1 SB 4.060 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
Cometic Gasket Head Gaskets C5751-066
SHIPS FROM MANUFACTURER
C5751-066
Cometic GM LS1 SB 4.060 inch Bore .066 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
Cometic Gasket Head Gaskets C5751-070
SHIPS FROM MANUFACTURER
C5751-070
Cometic GM LS1 SB 4.060 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
Cometic Gasket Head Gaskets C5751-075
SHIPS FROM MANUFACTURER
C5751-075
Cometic GM LS1 SB 4.060 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