Product Overview
Cummins 5287473 2871535 PACCAR Q629456 DOC Diesel Oxidation Catalyst
Cummins PACCAR DOC replacement: The Skyline BG0409 Diesel Oxidation Catalyst is a direct-fit aftermarket replacement for Cummins 5287473, 5287473NX, 5287473RX, 2871535, 2871535NX and PACCAR Q629456. These Cummins and PACCAR OEM and service references identify compatible DOC configurations used with select diesel exhaust aftertreatment systems.
Engine applications: Designed for select Cummins ISB 6.7L and PACCAR PX-6 6.7L diesel engine applications equipped with compatible EPA07 exhaust aftertreatment systems. Approximate applications include select 2007–2009 configurations, with exact compatibility dependent on engine configuration, emissions family, model year, chassis, 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 2871451 installation gasket, one 2866636 installation gasket, one 2871861 heavy-duty clamp and one 2880482 heavy-duty clamp. Free shipping is available within the continental United States excluding California.
Cummins 5287473 2871535 PACCAR Q629456 DOC Specifications
- Product type
- Diesel Oxidation Catalyst (DOC)
- Brand / part number
- Skyline BG0409
- Primary Cummins numbers
- 5287473, 2871535
- Cummins service numbers
- 5287473NX, 5287473RX, 2871535NX
- PACCAR OEM number
- Q629456
- Compatible engines
- Select Cummins ISB 6.7L and PACCAR PX-6 6.7L applications
- Approximate application era
- Select 2007–2009 applications depending on vehicle and aftertreatment configuration
- Emissions application
- EPA07
- Overall length
- 17.40 in (441.96 mm)
- Outer body diameter
- 10.63 in (270.00 mm)
- Weight
- 16.10 lb (7.30 kg)
- Housing material
- Stainless steel
- Full Kit hardware
- 1 2871451 gasket, 1 2866636 gasket, 1 2871861 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 5287473 2871535 PACCAR Q629456 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 | 5287473, 5287473NX, 5287473RX, 2871535, 2871535NX |
| PACCAR OEM | Q629456 |
| Skyline | BG0409 |
| DuraFit | C20-0153 |
| Dinex | 58076 |
How to Locate Your Stamped Part Number: Original Cummins and PACCAR part numbers may be stamped into the metal DOC housing or printed on an identification tag attached to the exhaust aftertreatment assembly. Always compare the original DOC number with the cross-reference numbers listed above before ordering.
Cummins ISB 6.7L PACCAR PX-6 5287473 2871535 Q629456 DOC Fitment
The Skyline BG0409 DOC is intended for select Cummins ISB 6.7L and PACCAR PX-6 6.7L commercial diesel engine applications equipped with compatible EPA07 exhaust aftertreatment systems. Exact compatibility varies by engine configuration, emissions family, model year, chassis, exhaust layout, aftertreatment assembly and original stamped DOC part number.
Cummins ISB 6.7L and PACCAR PX-6 Applications
- Select Cummins ISB 6.7L diesel engine applications
- Select PACCAR PX-6 6.7L diesel engine applications
- Select 2007–2009 applications depending on vehicle and emissions configuration
- Select EPA07 exhaust aftertreatment applications
Fitment verification: Always verify exact compatibility using the vehicle VIN, emissions-family label, aftertreatment assembly information and original stamped Cummins or PACCAR DOC part number before ordering.
Skyline BG0409 DOC and Installation Kit Options
Choose the configuration that best fits your installation needs. The Skyline BG0409 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 BG0409 DOC, 1 2871451 installation gasket, 1 2866636 installation gasket, 1 2871861 heavy-duty clamp, and 1 2880482 heavy-duty clamp. |
| DOC Only | 1 new Skyline BG0409 Diesel Oxidation Catalyst only. Installation gaskets and clamps are not included with the DOC-only option. |
Skyline BG0409 DOC Key Features
- 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: Ships free within the continental United States excluding California.
- Warranty: Backed by a 3-Year Unlimited Mileage Warranty.
Signs Your DOC May Need Inspection or Replacement
- Frequent, incomplete or unsuccessful DPF regeneration cycles
- DOC efficiency or catalyst-conversion diagnostic trouble codes
- Slow exhaust-temperature increase during an active regeneration
- Excessive soot, oil, fuel or ash contamination on the catalyst face
- High exhaust backpressure or abnormal pressure readings
- Reduced engine performance under load
- Cracking, melting, corrosion or other physical catalyst damage
These symptoms may have multiple causes. Diagnose the complete engine, fuel, turbocharger, sensor and exhaust aftertreatment systems before replacing the DOC.
