Premium ISX15 QSX15 X15 Engine Upper Gasket Kit – High-Performance Sealing Solution

Durable Multi-Layer Steel Construction
Precision-engineered with high-grade multi-layer steel (MLS) for superior heat resistance and long-term durability under extreme pressure.
OEM-Quality Fitment (4376104, 4352146, 2881767)
Exact replacement for Cummins ISX15, QSX15, and X15 engines, ensuring leak-free performance and seamless compatibility.
Advanced Laser-Cut Design
Laser-cut edges provide flawless sealing surfaces, minimizing blowout risks and optimizing compression for turbocharged engines.
Heavy-Duty Industrial & Trucking Applications
Ideal for over-the-road trucks, construction equipment, and marine engines requiring reliable gasket performance under continuous stress.
Global Wholesale Pricing Advantage
Direct bulk sourcing guarantees unbeatable wholesale rates without compromising on OEM-level precision.
Complete Upper Gasket Coverage
Includes all critical seals for cylinder heads, valves, and coolant/oil passages in a single kit for efficient repairs.