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Cummins ISX Aftermarket 2885941 / 2888263 / A030X735 Diesel Oxidation Catalyst (DOC) Kit

Skyline Emissions Products

$2,100.00

FREE Ground Shipping within the Continental USA
Expedited options available at checkout

FREE Ground Shipping within the Continental USA & Canada
Expedited options available at checkout

Case Lot Discounts Available

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SKU:
XN0508-FSS
Condition:
New
Availability:
In Stock - We sell filters locally that could affect real-time inventory– Orders placed after 2:00pm Eastern time will ship next business day
Features:
Proudly Made in America – EPA Compliant – No Core Required – Same fit and Performance as original equipment
California Orders:
NOT for sale or shipment to California

Have questions? Call an expert at 760-355-8900, 9am - 9pm EST

Product Overview

Cummins 2885941 2888263 A030X735 Diesel Oxidation Catalyst DOC

Interchange References: 2885941, 2885941NX, 2885941RX, 2885941CUM, 2888263, 2888263NX, 2888263RX, 2888263CUM, A030X735, A030B835, XN0508, XN0508-FSS, C0109-ID, C20-0028, 58020, 2871453, 2866337, 2871863, 5290118

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 2885941, Cummins 2888263, and Cummins assembly reference A030X735, with additional compatible references listed in the cross-reference table below. Designed for select Cummins ISX EPA07 aftertreatment applications, this DOC installs without exhaust system modifications, carries no core charge, is backed by a 3-year unlimited mileage warranty, and ships free within the continental United States.

✓ Free Shipping
✓ EPA Compliant
✓ 3-Year Warranty
✓ No Core Charge

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.

Manufacturer Cross Reference Part Numbers
Cummins OEM 2885941, 2885941NX, 2885941RX, 2885941CUM, 2888263, 2888263NX, 2888263RX, 2888263CUM, A030X735, A030B835
Skyline XN0508
FSS Emission Products XN0508-FSS
Roadwarrior C0109-ID
DuraFit C20-0028
Dinex 58020
How to Locate Your Stamped Part Number: Original manufacturer part numbers are commonly stamped into the metal canister body band or printed on the emissions tag attached to the catalyst shell. Always compare the stamped number on your original unit to the cross-reference numbers listed above before ordering.

Cummins ISX DOC Fitment Guide

This Cummins DOC is designed for select heavy-duty highway, transit, regional, and vocational applications equipped with compatible Cummins ISX EPA07 exhaust aftertreatment systems.

  • Engine Platforms: Select Cummins ISX heavy-duty diesel engine applications.
  • Approximate Emissions Era: Commonly associated with select EPA07 applications, approximately 2007 to 2009, depending on vehicle configuration.
  • Common Chassis Applications: Select Class 8 highway, transit, regional-freight, and vocational configurations equipped with compatible Cummins ISX engines and matching DOC assembly.
  • Compatible OEM Numbers: 2885941, 2888263, A030X735, A030B835, and related NX/RX/CUM service numbers listed above.

Compatible OEM Assembly Numbers: 2885943, 2885944

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) 2866337 installation gasket, one (1) 2871863 heavy-duty clamp, and one (1) 5290118 heavy-duty clamp.
  • DOC Only: Includes one (1) DOC only. Installation gaskets and clamps are not included.

DOC Technical Specifications

Measurement Parameter Specification Value
Product Type Diesel Oxidation Catalyst (DOC)
Common Search Term DOC Filter
Primary OEM Part Numbers 2885941, 2888263, A030X735, A030B835
Manufacturer Part Number Skyline XN0508
Material Premium Stainless Steel
Weight 50.84 lbs (23.08 kg)
Length 15.35 inches (389.89 mm)
Outer Body Diameter 13.17 inches (334.60 mm)
Overall Dimensions (W x H) 13.17 x 13.17 inches (334.60 x 334.60 mm)
Core Charge No Core Charge
Warranty 3-Year Unlimited Mileage Warranty
Exhaust Emission Norm EPA Compliant

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.
  • EPA Compliant: Designed for supported Cummins ISX EPA07 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) 2866337 gasket, one (1) 2871863 clamp, and one (1) 5290118 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.

Multi-Warehouse Dispatch

Orders ship from regional fulfillment hubs to help provide fast delivery to your repair shop or location.

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

California Shipping Notice: This product is EPA compliant but is NOT for sale in California and cannot be shipped to a California address.

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.

Warranty Information

Skyline Emissions, Inc. offers a 3-year, unlimited mileage warranty on all of their DPFs and DOCs