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Looking for aftermarket parts to modify or upgrade your 2012 Chevrolet Express 3500 with head gaskets? At Tunersports.com we carry a huge selection of the top name brand performance head gasket parts and accessories.
 SHIPS FROM MANUFACTURER C15034Cometic GM Gen-3/4 Small Block V8 Coolant Bypass Seals 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $37.40 |
 SHIPS FROM MANUFACTURER C15233A chemically blown, compounded nitrile synthetic rubber bonded to an aluminum core... Cometic GM 9.5in 1/2 & 3/4 Ton .060in AFM Differential Cover Gasket - 14 Bolt 2009-2017 Chevrolet Express 3500 Base / LS / LT $43.76 |
SHIPS FROM MANUFACTURER C15263Cometic GM 2001+ 6.6L Duramax .020in Rubber Coated Stainless Oil Cooler Outlet Gasket 2006-2016 Chevrolet Express 3500 Base 2011-2016 Chevrolet Express 3500 LS / LT $37.09 |
SHIPS FROM MANUFACTURER C15264Cometic GM 2001+ 6.6L Duramax .020in Rubber Coated Stainless Oil Cooler Inlet Gasket 2006-2016 Chevrolet Express 3500 Base 2011-2016 Chevrolet Express 3500 LS / LT $37.09 |
SHIPS FROM MANUFACTURER C15375-053MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .053in MLX Cylinder 4.130in Bore RHS Head Gasket 2006-2016 Chevrolet Express 3500 Base 2011-2016 Chevrolet Express 3500 LS / LT $198.25 |
SHIPS FROM MANUFACTURER C15375-062MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .062in MLX Cylinder 4.130in Bore RHS Head Gasket 2006-2016 Chevrolet Express 3500 Base 2011-2016 Chevrolet Express 3500 LS / LT $198.25 |
SHIPS FROM MANUFACTURER C15376-053MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .053in MLX Cylinder 4.130in Bore LHS Head Gasket 2006-2016 Chevrolet Express 3500 Base 2011-2016 Chevrolet Express 3500 LS / LT $198.25 |
SHIPS FROM MANUFACTURER C15376-062MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax 4.130in Bore .062in MLX Head Gasket LHS 2006-2016 Chevrolet Express 3500 Base 2011-2016 Chevrolet Express 3500 LS / LT $198.25 |
 SHIPS FROM MANUFACTURER C15408-050Copper Head Gasket... Cometic GM LS1 SB 4.100in Bore 0.050in Copper Head Gasket 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $128.89 |
SHIPS FROM MANUFACTURER C15494-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.030in Bore 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $109.30 |
SHIPS FROM MANUFACTURER C15496-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 4.080in Bore .051in MLS Cylinder Head Gasket 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $109.30 |
 SHIPS FROM MANUFACTURER C15508-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS Gen-3/4 Small Block V8 .051in MLS Cylinder Head Gasket - 4.085in Bore - 1/2in Studs 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $109.30 |
 SHIPS FROM MANUFACTURER C15509-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS Gen-3/4 Small Block V8 .040in MLS Cylinder Head Gasket - 4.035in Bore 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $109.30 |
 SHIPS FROM MANUFACTURER C15514-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 .051in MLS Cylinder Head Gasket 4.070in Bore 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $109.30 |
 SHIPS FROM MANUFACTURER C15515-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS Gen-3/4 Small Block V8 .040in MLS Cylinder Head Gasket - 4.030in Bore 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $109.30 |
SHIPS FROM MANUFACTURER C15517-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic ChevroletLS1/LS2/LS3/LS6 Gen-III/IV SBC V8 4.200 mm Bore .040in MLS Cylinder Head Gasket 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $109.30 |
IN STOCK - LOW C15522-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS1/LS2/LS3/LS6 Gen-III/IV Small Block V8 4.080in Bore .040in MLS Cylinder Head Gasket 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $102.70 |
 SHIPS FROM MANUFACTURER C15524-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LS Gen-3/4 Small Block V8 .060in MLS Cylinder Head Gasket - 4.200in Bore 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $138.41 |
SHIPS FROM MANUFACTURER C15740-063Cometic Gasket GM LS Gen-3/4 SB V8 .063in DST Cyl. Head Gasket - 4.040in Bore - 1/2in Studs 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $282.56 |
SHIPS FROM MANUFACTURER C15740-071Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.040in Bore - 1/2in Studs 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $282.56 |
IN STOCK - LOW C15741-063Cometic Gasket GM LS Gen-3/4 SB V8 .063in DST Cyl. Head Gasket - 4.150in Bore - 1/2in Studs 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $282.56 |
SHIPS FROM MANUFACTURER C15741-071Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.150in Bore - 1/2in Studs 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $282.56 |
SHIPS FROM MANUFACTURER C15749-063Cometic Gasket GM LS Gen-3/4 SB V8 .063in DST Cyl. Head Gasket - 4.100in Bore - 1/2in Studs 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $282.56 |
IN STOCK - LOW C15749-071Cometic Gasket GM LS Gen-3/4 SB V8 .071in DST Cyl. Head Gasket - 4.100in Bore - 1/2in Studs 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $282.56 |
 SHIPS FROM MANUFACTURER C5014-032MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic GM LS Gen-3/4 Small Block V8 .032in MLX Cylinder Head Gasket - 4.150in Bore 2003-2020 Chevrolet Express 3500 Base / LS 2006-2020 Chevrolet Express 3500 LT $128.52 |