Premium ISDe Diesel Engine Cylinder Head Gasket
High-performance gasket made from multi-layer steel (MLS) with precision-layered construction for superior sealing and heat resistance. Direct fit for Cummins ISB4.5 & QSB4.5 engines, ensuring exact compatibility and leak-free performance under extreme pressure. Precision-cut edges and reinforced fiber layers prevent blowouts, extending engine lifespan in heavy-duty trucks, construction equipment, and industrial machinery. Factory-grade OEM replacement (part numbers: 4932209, 4946620, 5289048) with identical durability as genuine parts at a fraction of the cost. Globally sourced bulk pricing available—ideal for fleet maintenance, repair shops, and wholesale distributors needing reliable, high-volume inventory.