Looking for aftermarket parts to modify or upgrade your 2003 GMC Sierra 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 C5883-051MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM 6.6L Duramax Diesel 01-06 4.100 inch Bore .051 inch MLS Left Head Gasket 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $156.00 |
SHIPS FROM MANUFACTURER C5883-053MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .053in MLS Cylinder Head Gasket - 4.100in Bore - LHS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $156.00 |
SHIPS FROM MANUFACTURER C5883-055MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .055in MLS Cylinder Head Gasket - 4.100in Bore - LHS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $156.00 |
SHIPS FROM MANUFACTURER C5883-056MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic 01-06 GM 6.6L Duramax 104.14mm Bore .056in MLS-5 Head Gasket Left 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $198.25 |
SHIPS FROM MANUFACTURER C5883-060MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM 6.6L Duramax Diesel 01-06 4.100 inch Bore .060 inch MLS-5 Left Head Gasket 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $198.25 |
SHIPS FROM MANUFACTURER C5883-066MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .066in MLS Cylinder Head Gasket - 4.100in Bore - LHS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $198.25 |
SHIPS FROM MANUFACTURER C5883-070MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .070in MLS Cylinder Head Gasket - 4.100in Bore - LHS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $198.25 |
SHIPS FROM MANUFACTURER C5883-075MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM 6.6L Duramax Diesel 01-06 4.100 inch Bore .075 inch MLS-5 Left Head Gasket 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $198.25 |
SHIPS FROM MANUFACTURER C5883-084MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .084in MLS Cylinder Head Gasket - 4.100in Bore - LHS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $218.88 |
SHIPS FROM MANUFACTURER C5883-140MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .140in MLS Cylinder Head Gasket - 4.100in Bore - LHS 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $224.50 |
SHIPS FROM MANUFACTURER PRO3008T-4130-053MLXMLX Gaskets utilize an integrated "stopper" layer for combustion chamber sealing... Cometic GM LB7 Duramax Top End Gasket Kit - 4.130in Bore - .053in MLX Cylinder Head Gasket 2001-2004 GMC Sierra 3500 SLE / SLT 2002-2004 GMC Sierra 3500 Base $506.57 |
IN STOCK - LOW PRO3008T-45MLS Gaskets are comprised of multiple embossed layers of both AMP (Advanced Multi-Polymer Coating) and uncoated stainless steel... Cometic GM LB7 Duramax Top End Gasket Kit - 4.100in Bore - .045in MLS Cylinder Head Gasket 2001-2004 GMC Sierra 3500 SLE / SLT 2002-2004 GMC Sierra 3500 Base $501.35 |

IN STOCK - DROPSHIPS 54348MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Avalanche 2500 06-02 Cylinder Head Gasket (Left) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $66.19 |
OUT OF STOCK 54349MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Avalanche 2500 06-02 Cylinder Head Gasket (Right) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $69.05 |
IN STOCK - DROPSHIPS 54445MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Cadillac CTS 07-06 Cylinder Head Gasket 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $68.48 |
SHIPS FROM MANUFACTURER 54580MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Express 2500 11-06 Cylinder Head Gasket (Right) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $108.60 |
SHIPS FROM MANUFACTURER 54581MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Express 2500 11-06 Cylinder Head Gasket (Right) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $110.62 |
SHIPS FROM MANUFACTURER 54583MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Express 2500 11-06 Cylinder Head Gasket (Left) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $108.60 |
SHIPS FROM MANUFACTURER 54584MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Express 2500 11-06 Cylinder Head Gasket (Left) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $105.42 |
IN STOCK 54597MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Express 2500 11-06 Cylinder Head Gasket (Left) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $131.78 |
IN STOCK 54598MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Express 2500 09-06 Cylinder Head Gasket (Right) 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $131.78 |
IN STOCK - DROPSHIPS HS54332MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Cadillac Escalade 06-02 Head Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $211.10 |
IN STOCK - DROPSHIPS HS54348MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Avalanche 2500 06-02 Head Set 2001-2006 GMC Sierra 3500 SLE / SLT 2002-2005 GMC Sierra 3500 Base $320.71 |
IN STOCK HS54580MAHLE(R) gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.... MAHLE Original Chevrolet Silverado 2500 Hd 04-01 Head Set 2001-2004 GMC Sierra 3500 SLE / SLT 2002-2004 GMC Sierra 3500 Base $260.16 |