This direct replacement EGR cooler has been engineered to match the fit and performance of the original EGR cooler on specific vehicle years, makes and models. It has undergone rigorous testing and OEM benchmarking to ensure reliability. Product Features:Direct replacement - this EGR cooler is made to match the fit and performance of the original part on specific applicationsRigorously tested - heat transfer testing, burst testing and vehicle try-on testing ensures fit and reliabilityHardware included - all necessary O-rings, gaskets, and application-specific hardware includedOEM benchmarked - quality standards measured against the original manufacturer design