Product Overview
PACCAR 1837303PE 1837303 1837303PEX Diesel Oxidation Catalyst DOC
Interchange References: 1837303PE, 1837303, 1837303PEX, XN0610, XN0610-M, XN0610-C, C0070-ID, 58062, 58062-NCG, C20-0013, GESi-513, 2871453, 2866337, 2871863, 2880483
Restore exhaust aftertreatment performance with this premium aftermarket PACCAR Diesel Oxidation Catalyst DOC. This brand-new Skyline DOC inlet module is a direct-fit replacement for PACCAR 1837303PE, PACCAR 1837303, and PACCAR 1837303PEX, with additional compatible aftermarket references listed in the cross-reference table below. Designed for select PACCAR MX-13, PACCAR MX-11, Cummins ISX, and Cummins ISX15 EPA10 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.
PACCAR 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 |
|---|---|
| PACCAR OEM | 1837303PE, 1837303, 1837303PEX |
| Skyline | XN0610, XN0610-M, XN0610-C |
| Roadwarrior | C0070-ID |
| Dinex | 58062, 58062-NCG |
| DuraFit | C20-0013 |
| Global Emission Systems | GESi-513 |
| FSS Emission Products | XN0610-FSS |
PACCAR MX Cummins ISX DOC Fitment Guide
This PACCAR DOC is designed for select heavy-duty, vocational, motorcoach, and Class 8 commercial vehicles configured with compatible EPA10 exhaust aftertreatment systems.
- Engine Platforms: PACCAR MX-13, PACCAR MX-11, Cummins ISX, and Cummins ISX15 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 Kenworth T660, T680, T700, T800, T880, W900, C500, Peterbilt 567, 579, 587, DAF CF, DAF XF, and related heavy-duty chassis using the matching DOC assembly.
- Compatible OEM Numbers: 1837303PE, 1837303, 1837303PEX, and related PACCAR service numbers listed above.
Compatible OEM Assembly Numbers: 2871543, 2871544, 2880342
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 gasket, one (1) 2866337 gasket, one (1) 2871863 clamp, and one (1) 2880483 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 | 1837303PE, 1837303, 1837303PEX |
| Manufacturer Part Number | Skyline XN0610 |
| Engine Compatibility | PACCAR MX-13, PACCAR MX-11, Cummins ISX, and Cummins ISX15 |
| Approximate Model Years | 2010 to 2012 EPA10 Applications |
| 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 PACCAR DOC: Replaces PACCAR 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 PACCAR MX and 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) 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
- More frequent or incomplete downstream DPF regeneration cycles.
- Diagnostic trouble codes related to DOC catalyst efficiency or exhaust temperature performance.
- Excessive soot accumulation at the catalyst face or in the downstream DPF.
- Reduced engine performance associated with exhaust restriction or poor catalyst operation.
- Fuel, oil, or other contamination visible at the catalyst inlet.
- 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.
