High-Performance Engine Cylinder Head Gasket for Heavy-Duty Trucks
Premium multi-layer steel construction ensures superior heat resistance and long-term durability under extreme pressure. Precision-engineered to exact OEM specifications for perfect fitment with Dong Feng Truck ISL 6L and QSL diesel engines. Seamless compatibility with part numbers 3943366, 3967059, and 4937728—ideal for engine rebuilds or fleet maintenance. Advanced sealing technology prevents leaks, optimizes compression, and extends engine life. Trusted by global wholesalers for unbeatable bulk pricing and reliable performance in demanding industrial, agricultural, and logistics applications. Stock up now for cost-effective, large-scale fleet solutions.