Product Overview
Cummins 4353261 5306782 A047V457 A034G872 Diesel Oxidation Catalyst DOC
Cummins DOC replacement: This brand-new Skyline XN0626 DOC inlet module is a direct-fit replacement for Cummins 4353261, 4353261NX, 4353261RX, 4353261CUM, 5306782, 5306782NX, 5306782CUM, A047V457, A034G872, and A043G872. Additional aftermarket cross reference: DuraFit C20-0131.
Engine applications: Designed for select Cummins ISX EPA13 aftertreatment applications, including select heavy-duty highway, Class 8 transit, regional-freight, and vocational configurations equipped with compatible Cummins ISX engines and matching DOC assemblies.
Product details and configurations: 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. The Full Kit includes one 2871453 installation gasket, one 2866337 installation gasket, one 2871863 heavy-duty clamp, and one 2880483 heavy-duty clamp.
DOC Technical Specifications
- Product Type
- Diesel Oxidation Catalyst (DOC) Inlet Module
- Common Search Term
- DOC Filter
- Primary OEM Part Numbers
- 4353261, 5306782, A047V457, A034G872, A043G872
- Manufacturer Part Number
- Skyline XN0626
- Construction
- Premium Stainless Steel Housing
- Core Condition
- Brand-New Aftermarket Unit
- Core Charge
- No Core Charge
- Warranty
- 3-Year Unlimited Mileage Warranty
- Exhaust Emission Norm
- EPA13 Compliant
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 | 4353261, 4353261NX, 4353261RX, 4353261CUM, 5306782, 5306782NX, 5306782CUM, A047V457, A034G872, A043G872 |
| Skyline | XN0626 |
| DuraFit | C20-0131 |
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 inlet module is designed for select heavy-duty highway, Class 8 transit, regional-freight, and vocational applications equipped with compatible Cummins ISX EPA13 exhaust aftertreatment systems.
- Engine Platforms: Select Cummins ISX heavy-duty diesel engine applications.
- Approximate Emissions Era: Commonly associated with select EPA13 applications, approximately 2013 to 2016, 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: 4353261, 5306782, A047V457, A034G872, A043G872, and related NX/RX/CUM service numbers listed above.
Compatible OEM Assembly Numbers: 4329122, 5301131, A041K759, A045E118
Choose Your Kit Configuration
Select the setup from the product options above that best fits your shop's needs:
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.
- EPA13 Compliant: Designed for supported Cummins ISX EPA13 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) 2880483 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.
