Product Overview
Cummins ISX 4353221 5287231 5298349 Diesel Oxidation Catalyst DOC
Interchange References: 4353221, 4353221NX, 4353221RX, 5287231, 5287231NX, 5287231RX, A047V391, 5298349, 5298349NX, 5298349RX, A035E398, A041P366, XN0620, XN0620-M, XN0620-C, C0143-ID, 58062, 58062-NCG, C20-00034, GESi-513, 4353439, 5294224, A048D320, 2871453, 2866337, 2871863, 2880483
Cummins 4353221 5287231 5298349 DOC Cross Reference Table
How to Verify Your Unit: This direct-fit Diesel Oxidation Catalyst replaces Cummins DOC units stamped with any of the OEM or aftermarket cross-reference numbers listed below.
| Manufacturer | Cross Reference Part Numbers |
|---|---|
| Cummins OEM | 4353221, 4353221NX, 4353221RX, 5287231, 5287231NX, 5287231RX, A047V391, 5298349, 5298349NX, 5298349RX, A035E398, A041P366 |
| Skyline | XN0620, XN0620-M, XN0620-C |
| Roadwarrior | C0143-ID |
| Dinex | 58062, 58062-NCG |
| DuraFit | C20-00034 |
| Global Emission Systems | GESi-513 |
Restore exhaust aftertreatment performance with this premium aftermarket Cummins ISX Diesel Oxidation Catalyst DOC. This brand-new DOC inlet module is a direct-fit replacement for Cummins 4353221, 5287231, A047V391, and 5298349, with additional compatible Cummins OEM and aftermarket cross-reference numbers listed in the table above. Designed for select Cummins ISX, ISX15, and QSX heavy-duty 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 ISX ISX15 QSX DOC Fitment Guide
This Cummins ISX DOC inlet module is designed for select heavy-duty over-the-road, regional freight, vocational, and industrial chassis applications equipped with compatible Cummins ISX, ISX15, or QSX exhaust aftertreatment systems.
- Engine Platforms: Select Cummins ISX, Cummins ISX15, and Cummins QSX 15-liter heavy-duty diesel applications.
- Approximate Emissions Era: Commonly associated with select EPA13 applications from approximately 2013 to 2016, depending on vehicle configuration.
- Common Chassis Applications: Select Freightliner Cascadia, Freightliner Coronado, Kenworth T660, Kenworth T680, Kenworth W900, Peterbilt 389, Peterbilt 567, Peterbilt 579, International Navistar ProStar, International Navistar LoneStar, and related heavy-duty chassis using the matching DOC assembly.
- Compatible OEM Numbers: 4353221, 5287231, A047V391, 5298349, A035E398, A041P366, and related NX/RX service numbers listed above.
Compatible OEM Assembly Numbers: 4353439, 5294224, A048D320
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 flange gasket, one (1) 2866337 flange gasket, one (1) 2871863 heavy-duty clamp, and one (1) 2880483 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) Inlet Module |
| Common Search Term | DOC Filter |
| Primary OEM Part Numbers | 4353221, 5287231, 5298349 |
| Additional OEM Numbers | 4353221NX, 4353221RX, 5287231NX, 5287231RX, A047V391, 5298349NX, 5298349RX, A035E398, A041P366 |
| Manufacturer Part Number | Skyline XN0620 |
| Engine Compatibility | Cummins ISX, ISX15, and QSX |
| Material | Premium Stainless Steel |
| Weight | 64.61 lbs (29.33 kg) |
| Length | 16.65 inches (422.91 mm) |
| Core Diameter | 13.15 inches (334.00 mm) |
| Overall Dimensions | 13.15 x 13.15 inches (334.00 x 334.00 mm) |
| Core Condition | Brand-New Aftermarket Unit |
| Core Charge | No Core Charge |
| Warranty | 3-Year Unlimited Mileage Warranty |
| Exhaust Emission Norm | EPA Compliant |
Key Features
- Direct-Fit Cummins ISX 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, ISX15, and QSX heavy-duty diesel 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.
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.
