Product Overview
Cummins PACCAR 5287519 4969719 4965054 A035H544 DOC
Interchange References: Cummins 5287519, 4969719, 4965054, A035H544, 5287519NX, 5287519RX, 4969719NX, 4969719RX, 4965054NX, 4965054RX, PACCAR Q620565, Q622229, Skyline MN0401, MN0401-M, MN0401-C, Roadwarrior C0017-ID, Dinex 58039, DuraFit C20-0017, GESi-516
Replace a worn or damaged Cummins 5287519, 4969719, 4965054, or A035H544 DOC with this brand-new Skyline aftermarket Diesel Oxidation Catalyst. This direct-fit DOC filter also cross-references PACCAR Q620565 and Q622229 and is intended for select Cummins ISC 8.3L, Cummins ISL9 8.9L, and PACCAR PX-8 diesel engine applications using compatible exhaust aftertreatment systems. This DOC has no core charge, includes a 3-year unlimited mileage warranty, is EPA compliant, and ships free within the continental United States.
Cummins PACCAR DOC Cross References
Cummins 5287519, 4969719, 4965054, and A035H544 DOC inlet modules cross-reference with PACCAR Q620565 and Q622229, Skyline MN0401, and the additional replacement numbers listed below.
| Manufacturer | Cross Reference Part Numbers |
|---|---|
| Cummins OEM | 5287519, 5287519NX, 5287519RX, 4969719, 4969719NX, 4969719RX, 4965054, 4965054NX, 4965054RX, A035H544 |
| PACCAR OEM | Q620565, Q622229 |
| Skyline | MN0401, MN0401-M, MN0401-C |
| Roadwarrior | C0017-ID |
| Dinex | 58039 |
| DuraFit | C20-0017 |
| Global Emission Systems | GESi-516 |
Cummins PACCAR DOC Engine Compatibility & Fitment Guide
This Skyline DOC is intended for select Cummins- and PACCAR-powered commercial diesel applications equipped with compatible exhaust aftertreatment systems. Exact compatibility varies by engine calibration, emissions family, model year, chassis configuration, exhaust layout, master assembly number, and the original stamped DOC part number.
- Engine Platforms: Select Cummins ISC 8.3L, Cummins ISL9 8.9L, and PACCAR PX-8 diesel engine applications
- Approximate Model Years: Select 2010–2012 applications
- Common Applications: Select medium-duty truck, vocational, regional delivery, municipal, transit, and commercial fleet configurations
- Compatible Cummins Numbers: 5287519, 4969719, 4965054, A035H544, and the listed NX and RX service variants
- Compatible PACCAR Numbers: Q620565 and Q622229
Compatible Master Assembly References
The supplied application information also associates this DOC with select aftertreatment master assemblies numbered 4965007, 4965008, 4965009, 4965011, 4965013, 4965015, 4965023, 4969724, 4969726, 4969728, and 4969738. Verify the stamped DOC number and complete exhaust configuration before ordering.
Choose Your Kit Configuration
Select the configuration from the product options that best fits your installation 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 mounting clamp, and one (1) 2880483 hardware clamp
- DOC Only: Includes one (1) DOC only. Gaskets and clamps are not included
DOC Technical Specifications
| Measurement Parameter | Specification Value |
|---|---|
| Product Type | Diesel Oxidation Catalyst inlet module |
| Common Search Terms | DOC, DOC Filter, Diesel Oxidation Catalyst, DOC Inlet Module |
| Primary Cummins Part Numbers | 5287519, 4969719, 4965054, A035H544 |
| Primary PACCAR Part Numbers | Q620565, Q622229 |
| Manufacturer Part Numbers | Skyline MN0401, MN0401-M, MN0401-C |
| Engine Compatibility | Select Cummins ISC 8.3L, Cummins ISL9 8.9L, and PACCAR PX-8 applications |
| Full Kit Hardware | One 2871453 gasket, one 2866337 gasket, one 2871863 clamp, and one 2880483 clamp |
| Core Condition | Brand-new aftermarket unit |
| Core Charge | No core charge |
| Warranty | 3-year unlimited mileage warranty |
| Emissions Compliance | EPA compliant |
Key Features
- Direct-fit replacement for the listed Cummins and PACCAR OEM applications
- Brand-new Skyline aftermarket Diesel Oxidation Catalyst DOC
- No core charge or used catalyst return required
- EPA compliant for applicable federal emissions applications outside California
- Available Full Kit with the listed Cummins gaskets and clamps
- Ships free within the continental United States
- Backed by a 3-year unlimited mileage warranty
Signs Your DOC Needs Replacement
- Difficulty reaching or maintaining exhaust temperatures needed for DPF regeneration
- Frequent, incomplete, or unsuccessful regeneration cycles
- Diagnostic trouble codes related to DOC catalyst efficiency or exhaust temperature response
- Excessive soot loading in the downstream DPF
- Fuel, oil, or other contamination visible at the catalyst inlet
- Increased exhaust backpressure or reduced engine performance
- Cracking, melting, corrosion, or other physical damage to the catalyst 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 one 2871453 gasket, one 2866337 gasket, one 2871863 clamp, and one 2880483 clamp. The DOC Only option includes one DOC only, with no gaskets or clamps included.