Our 3655963 aftercooler is engineered for Cummins NH, NT855, and N14 series engines. Precision-built with high-quality aluminum alloy cores and copper tubes, it delivers exceptional heat dissipation efficiency, reducing the temperature of the engine�s intake air and improving air density. The aftercooler�s optimized core design maximizes heat transfer while minimizing air flow restriction, enhancing engine power output, fuel efficiency, and reducing exhaust emissions. Its robust construction ensures long-lasting durability and reliable performance, making it the ideal replacement for maintaining your engine�s peak performance in on-highway and off-highway equipment.