The Cummins ISX Diesel Oxidation Catalyst is a high-quality product designed for Cummins ISX models. It is made with a silicon carbide substrate material and a stainless steel canister material, ensuring durability and longevity. This catalyst fits most Cummins ISX models and is compatible with OEM numbers 2888263NX and 2885941NX. It is also suitable for aftermarket numbers D-CEXH-XN0508 and DCEXHXN0508. With its reliable construction and compatibility, this catalyst offers practicality and efficiency for your Cummins ISX engine.