Cummins 2871577, 2871577NX, 2871577RX, Q629457 DOC Inlet Module Replacement

Restore emissions performance with the Skyline aftermarket Cummins 2871577 DOC Inlet Module. This direct-fit replacement for Cummins 2871577, 2871577NX, 2871577RX, and Q629457 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, International/Navistar, and Western Star trucks equipped with Cummins ISX engines.

Choose the Setup That Fits Your Shop’s Needs

• Full Kit (Best Value): Includes (1) DOC, (1) 2871453 gasket, (1) 2866337 gasket, (1) 2871863 clamp, and (1) 2880483 clamp
• DOC Only: Includes the DOC only. No gaskets or clamps included

Engine Compatibility

• Approximate Model Years: 2010 to 2013
• Cummins: ISX / ISX15

Common Vehicle Applications

• Freightliner: Cascadia, Coronado
• International/Navistar: ProStar, 9900i
• Western Star: 4900
• Select vocational, motorcoach, and Class 8 chassis equipped with Cummins ISX / ISX15 engines

Cross-References for Cummins 2871577 DOC

Key Features

• 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
• Direct Fit Design: Installs like OEM with no modifications required
• In Stock: We sell filters locally, which could affect real-time inventory. You will be contacted immediately if there are any availability issues

OEM Assembly Numbers: 2871543, 2871544, 2880342

Product images are for reference only. Final components (DOC, gaskets, clamps, 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.