SKU: M77HS54996
UPC: 027067972835
MPN: HS54996
The Head Gasket Set 14-19 Chevy 5.3L is a critical engine seal assembly designed for Gen V small-block LS platform trucks and SUVs operating between 2014 and 2019 model years. This gasket set addresses one of the most demanding sealing challenges in modern Chevy powerplants—maintaining combustion chamber integrity under sustained pressure and temperature cycles. Whether you're rebuilding a high-mileage engine, addressing a blown gasket failure, or performing preventive maintenance on a platform known for longevity, this MAHLE ORIGINAL/CLEVITE gasket set provides OEM-equivalent sealing performance without compromise.
MAHLE ORIGINAL and CLEVITE are Tier-1 OEM gasket suppliers with decades of engineering validation in GM engine architecture. The HS54996 head gasket set incorporates multi-layer steel construction with premium facing materials that resist blow-by, coolant intrusion, and oil seepage across the critical combustion seal. The 5.3L platform operates at aggressive compression ratios and sustained RPM loads, demanding gasket materials with superior thermal cycling resistance—this set meets those specifications through advanced elastomer compounds and precise thickness tolerances that ensure consistent clamp load distribution across cylinder head bolt patterns. The complete set includes all necessary gaskets and seals required for a full top-end rebuild, eliminating the need to source components individually.
Technicians and engine builders working on 2014–2019 Silverado 1500, Tahoe, Suburban, and Silverado HD trucks benefit most from this gasket set, as these platforms frequently encounter head gasket wear after 150,000+ miles or suffer failure from cooling system neglect. The HS54996 is engineered specifically for the Gen V 5.3L architecture, ensuring proper bore alignment and sealing surface contact without the fitment guesswork of universal alternatives. Installation requires standard cylinder head removal procedures and torque-to-yield bolt specifications per GM service bulletins—proper surface preparation and bolt sequencing are essential to maximize gasket longevity. This set is ideal for both professional rebuilds and owner-operator engine maintenance, delivering reliability that matches OEM specifications at a competitive aftermarket price point.
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