HS26191PT Complete Head Gasket Set for 2002-2011 GM Trucks & SUVs - 4.8L & 5.3L Engine Compatible
Precise Fitment (Verify Your VIN Code):
This professional-grade head gasket kit is engineered for GM vehicles with:
4.8L Engines (VIN V or C): Fits 2002-2007 Silverado 1500/Sierra 1500, Tahoe/Yukon, and 2003-2008 Express/Savana 2500/3500 vans.
5.3L Engines (Multiple VIN Codes):
VIN Z/T (2005-2006): Avalanche, Suburban, Tahoe, Yukon XL

VIN 0/3 (2007-2011): Silverado 1500, Sierra 1500, Suburban

VIN J (2007-2009): Shared across Chevy/GMC models

VIN L (2009 only): Colorado/Canyon pickups & Hummer H3/H3T
Always check your VIN's 8th character to confirm compatibility.

OEM-Spec Construction for Critical Sealing:
Multi-layer steel (MLS) head gaskets withstand extreme cylinder pressures (up to 2,500 psi) and temperatures (over 500°F)
High-temp silicone valve cover gaskets and fluorine rubber valve stem seals prevent oil/coolant leaks
Prevents compression loss, coolant mixing with oil, and block leakage – common symptoms of gasket failure
Complete Kit Includes:
(2) MLS cylinder head gaskets
(2) Exhaust manifold gaskets
(2) Intake manifold gaskets
(2) Valve cover gaskets
(16) Valve stem seals + (38) assorted seals/grommets
RTV silicone sealant for auxiliary components
Professional Installation Recommended:
Proper torque sequencing and surface prep are critical – consult factory service manuals
Incorrect installation may cause blown gaskets, coolant contamination, or engine overheating
Kit meets original equipment specifications for both gasoline and flex-fuel applications
Compatible Models (Partial List):
Chevrolet: Silverado 1500 (2002-2011), Tahoe (2002-2011), Avalanche (2002-2006/2007), Suburban (2002-2011), Express vans (2003-2008)
GMC: Sierra 1500 (2002-2011), Yukon/Yukon XL (2002-2011), Savana vans (2003-2008)
Other: Hummer H3/H3T (2008-2009), Cadillac Escalade (2002-2005)
Note: Not compatible with 6.0L/6.2L engines or models beyond specified years. Includes 1-year warranty against manufacturing defects