Premium Replacement Head Gasket 33-5056 engineered for 4.86V Engine THERMO KING units. Precision-cut from multi-layered steel with reinforced fiber core for superior heat resistance and compression sealing. Laser-etched alignment notches ensure flawless installation. High-temp silicone coating prevents coolant/oil leaks under extreme conditions. Ideal for commercial refrigeration trucks, marine auxiliary engines, and industrial HVAC systems. OEM-compatible performance at wholesale pricing. Bulk orders available with guaranteed factory-direct quality. Ships globally with 30-day hassle-free returns.