The 19.3 Inch Cummins ISX Diesel Oxidation Catalysts with a 13.17 Inch Diameter are a high-quality solution for reducing exhaust emissions in Cummins ISX models. Manufactured according to OE technology, these catalysts offer high durability and effectiveness, resulting in reduced backpressure and fuel consumption. With a stainless steel construction and included clamps and gaskets, they are a direct OE replacement for models with OE numbers 2888261NX, 4965053, 4969718NX, 2888261, 4969718, 4969718RX, 2888261RX, and OTR0152018. Improve your vehicle's performance and meet EPA07 emission norms with these reliable and practical catalysts.