Cummins 2880505 / A029F386 Diesel Oxidation Catalyst (DOC) Kit

Cummins 2880505 A029F386 Diesel Oxidation Catalyst DOC

Interchange References: 2880505, 2880505NX, 2880505RX, A029F386, 2880189, XN0612, XN0612-FSS, C01606-ID, C20-0035, 58019, GESi-552, 2871453, 2880215, 2871863, 2880213

Restore exhaust aftertreatment performance with this premium aftermarket Cummins Diesel Oxidation Catalyst DOC. This brand-new Skyline DOC is a direct-fit replacement for Cummins 2880505 and Cummins A029F386, with additional compatible aftermarket references listed in the cross-reference table below. Designed for select Cummins ISX EPA10 aftertreatment applications, this DOC installs without exhaust system modifications, carries no core charge, is backed by a 3-year unlimited mileage warranty, is EPA compliant, and ships free within the continental United States.

Cummins DOC Cross Reference Table

How to Verify Your Unit: Use the table below to compare the original stamped OEM part number on your DOC canister, emissions tag, or catalyst housing with compatible OEM and aftermarket interchange numbers.

Cummins ISX DOC Fitment Guide

This Cummins DOC is designed for select heavy-duty highway, Class 8 transit, regional, and vocational applications equipped with compatible Cummins ISX EPA10 exhaust aftertreatment systems.

• Engine Platforms: Select Cummins ISX heavy-duty diesel engine applications.
• Approximate Emissions Era: Commonly associated with select EPA10 applications, approximately 2010 to 2012, depending on vehicle configuration.
• Common Chassis Applications: Select highway fleet, Class 8 transit, regional-freight, and vocational configurations equipped with compatible Cummins ISX engines and matching DOC assembly.
• Compatible OEM Numbers: 2880505, A029F386, and related NX/RX service numbers listed above.

Compatible OEM Assembly Numbers: 2880189

Choose Your Kit Configuration

Select the setup from the product options above that best fits your shop's needs:

• Full Kit (Best Value): Includes one (1) brand-new DOC unit, one (1) 2871453 installation gasket, one (1) 2880215 installation gasket, one (1) 2871863 heavy-duty clamp, and one (1) 2880213 heavy-duty clamp.
• DOC Only: Includes one (1) DOC only. Installation gaskets and clamps are not included.

DOC Technical Specifications

Key Features

• Direct-Fit Cummins DOC: Replaces Cummins diesel oxidation catalyst applications listed in the cross-reference table above.
• No Core Charge: Brand-new aftermarket DOC with no dirty core return, core tracking paperwork, or return freight expense.
• EPA10 Compliant: Designed for supported Cummins ISX EPA10 aftertreatment applications.
• Brand-New Unit: New aftermarket Diesel Oxidation Catalyst rather than a remanufactured core.
• Stainless Steel Construction: Built with premium stainless steel material for durability in heavy-duty exhaust systems.
• Available Full Kit: Full Kit option includes one (1) 2871453 gasket, one (1) 2880215 gasket, one (1) 2871863 clamp, and one (1) 2880213 clamp.
• Free Shipping: Free ground shipping within the continental United States. Orders placed before 2:00 PM Eastern ship out the same business day when inventory is available.
• Warranty Protection: Backed by a 3-year unlimited mileage warranty.

Signs Your DOC Needs Replacement

• Difficulty reaching or maintaining the exhaust temperatures needed for DPF regeneration.
• Frequent, incomplete, or unsuccessful regeneration cycles.
• Diagnostic trouble codes related to DOC catalyst efficiency or exhaust temperature performance.
• Excessive soot loading in the downstream DPF.
• Fuel, oil, or other contamination visible at the catalyst inlet.
• Increased exhaust backpressure or reduced engine performance.
• Physical cracking, melting, corrosion, or damage to the DOC substrate or housing.

*Note: Always verify exact compatibility using your vehicle's VIN number or original stamped OEM part number on the unit before placing an order.

Disclaimer: Product images are for reference only. Each selected option includes one (1) physical DOC unit. The Full Kit option includes one DOC with the listed gaskets and clamps. The DOC Only option includes one DOC only, with no gaskets or clamps included.