Premium 4B/4BT/4BTA Diesel Engine Cylinder Head Gasket – Engineered for Reliability
High-grade multi-layer steel construction ensures superior heat resistance and long-term durability under extreme pressure. Precision-cut sealing edges prevent coolant and oil leaks, maintaining optimal engine performance. Direct replacement for OEM part numbers 328333 and 3921393, compatible with Marine 4B, 4BT, and 4BTA diesel engines. Ideal for heavy-duty industrial, marine, and agricultural machinery applications. Exclusive bulk pricing for wholesale buyers—global shipping with guaranteed lowest rates. Trusted by professional mechanics for seamless installation and unmatched engine protection.