Product Overview
Cummins 4353296 PACCAR 5300521 A047V497 A041R344 DOC Diesel Oxidation Catalyst
Cummins PACCAR DOC replacement: The Skyline LJ0431 Diesel Oxidation Catalyst is a direct-fit aftermarket replacement for 4353296, 4353296NX, 4353296RX, 5300521, 5300521NX, A047V497, A041R344, 5287615, 5287615NX and A035J040. These Cummins and PACCAR OEM and service numbers identify compatible DOC configurations used with select diesel exhaust aftertreatment systems.
Engine applications: Designed for select Cummins ISL9 and PACCAR PX-9 diesel engine applications equipped with compatible exhaust aftertreatment systems. Approximate applications include select 2013–2016 configurations, with exact compatibility dependent on engine calibration, emissions family, chassis configuration, exhaust layout, aftertreatment assembly and original stamped DOC number.
Product details and configurations: Brand-new Skyline aftermarket DOC with stainless steel housing, no core charge, EPA07 compliance for applicable federal emissions applications, and a 3-Year Unlimited Mileage Warranty. Choose the DOC only or the Full Kit with one 2871452 gasket, one 2866636 gasket, one 2871862 heavy-duty clamp and one 2880482 heavy-duty clamp. Free ground shipping is available within the continental United States excluding California.
Cummins 4353296 PACCAR 5300521 A047V497 A041R344 DOC Specifications
- Product type
- Diesel Oxidation Catalyst (DOC)
- Brand / part number
- Skyline LJ0431
- Primary Cummins numbers
- 4353296, A047V497, A041R344, 5287615, A035J040
- Cummins service numbers
- 4353296NX, 4353296RX, 5287615NX
- Primary PACCAR number
- 5300521
- PACCAR service number
- 5300521NX
- Compatible engines
- Select Cummins ISL9 and PACCAR PX-9 applications
- Approximate application era
- Select 2013–2016 applications depending on vehicle and aftertreatment configuration
- Housing material
- Stainless steel
- Weight
- 47.63 lb (21.60 kg)
- Overall length
- 16.19 in (411.23 mm)
- Outer body diameter
- 11.65 in (296.00 mm)
- Overall dimensions
- 11.65 × 11.65 in (296.00 × 296.00 mm)
- Full Kit hardware
- 1 2871452 gasket, 1 2866636 gasket, 1 2871862 clamp, and 1 2880482 clamp
- Condition
- Brand-new aftermarket replacement
- Core charge
- None
- Emissions compliance
- EPA07 compliant for applicable federal emissions applications
- Warranty
- 3-Year Unlimited Mileage Warranty
Cummins 4353296 PACCAR 5300521 A047V497 A041R344 DOC Cross References
Compare the original Cummins or PACCAR DOC part number stamped on the catalyst housing or printed on the exhaust aftertreatment identification tag with the OEM and aftermarket cross-reference numbers below before ordering.
| Manufacturer | Cross Reference Part Numbers |
|---|---|
| Cummins OEM | 4353296, 4353296NX, 4353296RX, A047V497, A041R344, 5287615, 5287615NX, A035J040 |
| PACCAR OEM | 5300521, 5300521NX |
| Skyline | LJ0431 |
| Roadwarrior | C0367-ID |
| Dinex | 58226 |
Cummins ISL9 PACCAR PX-9 4353296 5300521 DOC Fitment
The Skyline LJ0431 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, aftertreatment assembly and original stamped DOC part number.
Cummins ISL9 and PACCAR PX-9 Engine Applications
- Select Cummins ISL9 diesel engine applications
- Select PACCAR PX-9 diesel engine applications
- Select 2013–2016 applications depending on vehicle and emissions configuration
Fitment verification: Always verify exact compatibility using the vehicle VIN, engine serial number, emissions-family descriptor tag, aftertreatment assembly information and original stamped Cummins or PACCAR DOC part number before ordering.
Skyline LJ0431 DOC and Installation Kit Options
Choose the configuration that best fits your installation needs. The Skyline LJ0431 is available as the DOC only or as a Full Kit with the applicable installation gaskets and clamps.
| Option | Included Components |
|---|---|
| DOC with Gaskets and Clamps | 1 new Skyline LJ0431 DOC, 1 2871452 installation gasket, 1 2866636 installation gasket, 1 2871862 heavy-duty clamp, and 1 2880482 heavy-duty clamp. |
| DOC Only | 1 new Skyline LJ0431 Diesel Oxidation Catalyst only. Installation gaskets and clamps are not included with the DOC-only option. |
Skyline LJ0431 DOC Key Features
- Direct-fit replacement: Replaces compatible Cummins and PACCAR OEM DOC applications listed in the cross-reference section above.
- Brand-new DOC: New Skyline aftermarket Diesel Oxidation Catalyst rather than a remanufactured core.
- Full Kit option: Includes two installation gaskets and two heavy-duty clamps.
- DOC Only option: Available without installation hardware.
- No core charge: No used catalyst return is required.
- Stainless steel housing: Uses stainless steel housing construction.
- EPA07 compliant: Intended for applicable federal emissions applications outside California.
- Free shipping: Free ground shipping within the continental United States excluding California.
- Warranty: Backed by a 3-Year Unlimited Mileage Warranty.
Signs Your DOC May Need Inspection or 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
These symptoms may have multiple causes and do not automatically mean the DOC must be replaced. Diagnose the complete engine, fuel, turbocharger, sensor and exhaust aftertreatment systems before replacing the DOC.
Skyline LJ0431 Multi-Warehouse Shipping
Multi-Warehouse Dispatch: Orders ship from regional fulfillment hubs to help provide fast delivery to your repair shop or location.
