Description
HS26744PT Head Gasket & Bolt Kit Fit Chevy GMC Silverado Sierra Tahoe Yukon 5.3L 14-19
Product Overview
Restore your GM 5.3L V8 engine to peak performance with this comprehensive Multi-Layered Steel (MLS) Head Gasket Kit. Specifically engineered for 2014-2019 Chevrolet Silverado 1500,
GMC Sierra 1500, Suburban, Tahoe, Yukon, and Yukon XL models, this kit provides a complete top-end rebuild solution. Featuring high-grade MLS construction and all necessary sealing
components, it ensures a leak-proof seal, optimal compression, and long-term durability under demanding driving conditions.
Key Features
- Superior MLS Sealing Technology: The multi-layered steel head gasket is designed to withstand extreme heat and cylinder pressure, preventing common failures like coolant leaks, oil seepage, and compression loss associated with older composite gaskets.
- Complete Top-End Kit: Includes everything needed for a professional head gasket replacement: MLS head gasket, valve cover gaskets, intake/exhaust manifold gaskets, valve stem seals, front camshaft seal, O-rings, small gaskets, and high-strength cylinder head bolts.
- Direct OE Fitment: Precision-manufactured to match original equipment specifications, ensuring seamless installation without the need for machining or modification. Replaces OE numbers HS26744PT, HS54996, HGS4308, HS8429, 12657968, 12622325, 12626354, 12630883, and ES73121.
- Broad GM Compatibility: Verified fitment for 2014-2019 GMC Sierra 1500 & Yukon/Yukon XL, and 2014-2019 Chevrolet Silverado 1500, Suburban, and Tahoe, all equipped with the 5.3L V8 engine.
- 1-Year Warranty: Backed by a 1-year warranty against manufacturing defects, providing peace of mind for your engine rebuild.
Vehicle Fitment
- GMC: Sierra 1500 5.3L V8 (2014–2019); Yukon 5.3L V8 (2015–2019); Yukon XL 5.3L V8 (2015–2019)
- Chevrolet: Silverado 1500 5.3L V8 (2014–2019); Suburban 5.3L V8 (2015–2019); Tahoe 5.3L V8 (2015–2019)
Package Contents
- 1x Multi-Layered Steel (MLS) Head Gasket
- 2x Valve Cover Gaskets
- 1x Intake Manifold Gasket
- 2x Exhaust Manifold Gaskets
- 16x Valve Stem Seals
- 1x Front Camshaft Seal
- 1x Set of O-rings & Small Gaskets
- 1x Set of Cylinder Head Bolts
Installation Notes
- Always verify your vehicle’s VIN, year, model, and OE part numbers against the fitment list before purchasing.
- Professional installation is strongly recommended. Ensure cylinder heads and engine block surfaces are clean, flat, and free of warping before installation.
- Follow factory torque specifications and tightening sequences for cylinder head bolts to prevent gasket failure.
- Inspect and replace any worn valve train components (lifters, pushrods, rocker arms) during the rebuild to ensure optimal engine performance.
- Prime the oil system and perform a proper break-in procedure after installation to ensure proper seating of all new gaskets and seals.
Why Choose This Kit?
The GM 5.3L V8 is a workhorse engine, but factory head gaskets can fail under high mileage or heavy towing conditions. This premium MLS kit offers a permanent, OE-quality solution that addresses the root cause of top-end leaks. With all critical sealing components and head bolts included, it eliminates the need to source parts separately, saving time and ensuring a reliable, long-lasting repair.
Disclaimer
Please confirm compatibility using your vehicle’s VIN, OE part numbers, and product images. Fitment is based on manufacturer data and may vary by vehicle configuration. This product is an aftermarket replacement part and is not affiliated with General Motors, Chevrolet, or GMC.
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