Looking for aftermarket parts to modify or upgrade your 2004 Subaru Legacy 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 C4574-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic 03+ Subaru EJ255/04-10 EJ257 101mm .066 inch MLS Head Gasket 2004-2006 Subaru Legacy GT $97.61 |
SHIPS FROM MANUFACTURER C4574-070MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic 03+ Subaru EJ255/04-10 EJ257 101mm .070 inch MLS Head Gasket 2004-2006 Subaru Legacy GT $97.61 |
SHIPS FROM MANUFACTURER C4574-080MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic 03+ Subaru EJ255/04-10 EJ257 101mm .080 inch MLS Head Gasket 2004-2006 Subaru Legacy GT $106.60 |
SHIPS FROM MANUFACTURER C4574-098MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Subaru EJ255 Version 2 - 2007-2018 EJ257 .098in MLS Cylinder Head Gasket - 101mm Bore 2004-2006 Subaru Legacy GT $106.60 |
SHIPS FROM MANUFACTURER C4574-120MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Subaru EJ255 Version 2 - 2007-2018 EJ257 .120in MLS Cylinder Head Gasket - 101mm Bore 2004-2006 Subaru Legacy GT $138.23 |
SHIPS FROM MANUFACTURER C4582-030MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Toyota 2GR-FE/2GR-FSE/2GR-FXE .030in MLS Cylinder Head Gasket - 94.5mm Bore - LHS 2003-2006 Subaru Legacy GT $121.07 |
SHIPS FROM MANUFACTURER C4582-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Toyota 2GR-FE/2GR-FSE/2GR-FXE .040in MLS Cylinder Head Gasket - 94.5mm Bore - LHS 2003-2006 Subaru Legacy GT $121.07 |
SHIPS FROM MANUFACTURER C4586-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Honda B21A1 .060in MLS Cylinder Head Gasket - 84mm Bore 2003-2006 Subaru Legacy GT $116.84 |
SHIPS FROM MANUFACTURER C4587-028MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic Subaru EJ255 Version 2 - 2007-2018 EJ257 .028in MLX Cylinder Head Gasket - 101mm Bore 2003-2006 Subaru Legacy GT $99.33 |
IN STOCK C4587-040MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic 03-11 Subaru EJ255 / 04-10 EJ257 Turbo 101mm Bore .040in MLS Head Gasket 2003-2006 Subaru Legacy GT $92.73 |
SHIPS FROM MANUFACTURER C4588-050MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic Subaru FA20 2.0L DOHC 89.5mm Bore .050in MLX Head Gasket RHS 2003-2006 Subaru Legacy GT $137.70 |
SHIPS FROM MANUFACTURER C4589-042MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic 12+ Subaru FA20 DOHC 89.5mm .042 inch MLX LHS Head Gasket 2003-2006 Subaru Legacy GT $120.95 |
SHIPS FROM MANUFACTURER C4590-048MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic 02-05 Subaru EJ20 DOHC 93.5mm Bore .048in thick MLX Head Gasket 2003-2006 Subaru Legacy GT $121.81 |
SHIPS FROM MANUFACTURER C4590-050MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic 02-05 Subaru EJ20 DOHC 93.5mm Bore .050in thick MLX Head Gasket 2003-2006 Subaru Legacy GT $121.81 |
SHIPS FROM MANUFACTURER C4591-036MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic Mitsubishi 4G63T .036in MLS Cylinder Head Gasket - 87mm Bore - DOHC - Evo 4-8 ONLY 2003-2006 Subaru Legacy GT $116.84 |
SHIPS FROM MANUFACTURER C4622-032MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic 05-09 Subaru WRX EJ255 101mm .033in MLX Head Gasket *Improved Cooling* 2002-2004 Subaru Legacy L 2002-2006 Subaru Legacy GT 2004-2004 Subaru Legacy L 35th Anniversary $99.33 |
SHIPS FROM MANUFACTURER C4622-040MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic Subaru 05-09 EJ255 09+ EJ253 101mm Bore .040 in MLX Head Gasket 2002-2004 Subaru Legacy L 2002-2006 Subaru Legacy GT 2004-2004 Subaru Legacy L 35th Anniversary $120.95 |
SHIPS FROM MANUFACTURER C4947Cometic Subaru EG33/EJ18/EJ20/EJ22/EJ25 Front Crankshaft Seal 1996-2004 Subaru Legacy L 1999-2006 Subaru Legacy GT 2004-2004 Subaru Legacy L 35th Anniversary $37.97 |
SHIPS FROM MANUFACTURER C4986-041MLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic Subaru EJ22/25 Hybrid 101mm .041 inch MLX Head Gasket 1990-2004 Subaru Legacy L 1996-2006 Subaru Legacy GT 2004-2004 Subaru Legacy L 35th Anniversary $99.33 |

IN STOCK - DROPSHIPS 54493MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Saab 9-2X 06-05 Cylinder Head Gasket 2000-2004 Subaru Legacy GT / L 2004-2004 Subaru Legacy L 35th Anniversary $62.07 |

OUT OF STOCK W6320Wiseco sport compact MLS head gaskets use a high-pressure steel-laminate design to withstand extremely high sheer forces that occur between an aluminum head and iron block. Internal embossments expand with heat to create a better seal when under extremely high combustion pressures and temperatures, ... Wiseco SC Gasket - Subaru EJ25 Gasket 2000-2004 Subaru Legacy GT / L 2004-2004 Subaru Legacy L 35th Anniversary $76.37 |