Restore emissions performance with the Skyline aftermarket Cummins 4353251 DOC Inlet Module. This direct-fit replacement for Cummins 4353251, 4353251NX, 4353251RX, 5300526, 5300526NX, 5300526RX, 5289000, 5289000NX, 5289000RX, A047V449, A041R632, and A040A502 is built to meet or exceed OEM specifications for Cummins ISX / ISX15 engines. Manufactured in the USA with an Exact-Fit™ design, this Diesel Oxidation Catalyst (DOC) Inlet Module provides reliable installation with no modifications required. This brand-new DOC has no core charge, includes a 3-year unlimited mileage warranty, is EPA compliant, and ships free within the continental United States.
Fits select Cummins ISX / ISX15 heavy-duty truck, vocational, motorcoach, and Class 8 chassis applications, including Freightliner, Kenworth, Peterbilt, International/Navistar, and Western Star trucks equipped with Cummins ISX engines.
Built in the USA: Proudly designed, engineered, and manufactured in America.
Warranty: 3-year unlimited mileage warranty.
Shipping: Free ground shipping within the continental USA. Overnight and expedited options available at checkout. Orders placed after 2:00 PM Eastern ship next business day.
EPA Compliant: Meets federal emissions standards for particulate matter reduction requirements.
No Core Charge: Brand-new DOC with no core return required.
In Stock: We sell filters locally, which could affect real-time inventory. You will be contacted immediately if there are any availability issues.
Direct Fit Design: Installs like OEM with no modifications required.
Product images are for reference only. Final components such as the DOC, gaskets, clamps, and sensor locations depend on the selected configuration. Price is for (1) DOC only.
California Shipping Notice: This product is EPA compliant but is NOT for sale in California and cannot be shipped to a California address.
Warranty Information
Skyline Emissions, Inc. offers a 3-year, unlimited mileage warranty on all of their DPFs and DOCs