Product Overview
Cummins 2888248 4965225 PACCAR Q621404 DOC Diesel Oxidation Catalyst
Cummins PACCAR DOC replacement: This brand-new Skyline Diesel Oxidation Catalyst is a direct-fit aftermarket replacement for Cummins 2888248, 2888248NX, 2888248RX, 4965225, 4965225NX, 4965225RX, 4330064, 4330064NX, 4330064RX, A030W857, A047B275 and PACCAR Q621404. Additional aftermarket cross references include Roadwarrior C0038-ID, Dinex 58026, DuraFit C20-0006 and Global Emission Systems GESi-505.
Engine applications: Designed for select Cummins ISX 15L and Cummins QSX 15L heavy-duty diesel applications equipped with compatible EPA07 exhaust aftertreatment systems. Approximate applications include select 2007–2009 Freightliner, Kenworth, Peterbilt, International/Navistar, Volvo/Mack and Western Star heavy-duty chassis using the matching DOC assembly.
Product details and configurations: Brand-new Skyline aftermarket DOC with premium stainless steel construction, no core charge, EPA compliance for applicable federal emissions applications, and a 3-Year Unlimited Mileage Warranty. Choose the DOC only or the Full Kit with two 2871453 installation gaskets and two 2871863 heavy-duty mounting clamps. Ships free within the continental United States.
Cummins 2888248 4965225 PACCAR Q621404 DOC Specifications
- Product type
- Diesel Oxidation Catalyst (DOC)
- Common search term
- DOC Filter
- Primary OEM part numbers
- 2888248, 4965225, Q621404
- Additional Cummins OEM numbers
- 4330064, A030W857, A047B275
- Cummins service numbers
- 2888248NX, 2888248RX, 4965225NX, 4965225RX, 4330064NX, 4330064RX
- Compatible engines
- Select Cummins ISX 15L and Cummins QSX 15L applications
- Approximate emissions era
- Select EPA07 applications, approximately 2007–2009 depending on vehicle configuration
- Material
- Premium stainless steel
- Weight
- 31.75 lb (14.41 kg)
- Length
- 7.94 in (201.68 mm)
- Core diameter
- 13.17 in (334.60 mm)
- Overall dimensions
- 13.17 x 13.17 in (334.60 x 334.60 mm)
- Full Kit hardware
- 2 2871453 installation gaskets and 2 2871863 heavy-duty mounting clamps
- Core condition
- Brand-new aftermarket unit
- Core charge
- No core charge
- Warranty
- 3-Year Unlimited Mileage Warranty
- Exhaust emission norm
- EPA compliant
Cummins 2888248 4965225 PACCAR Q621404 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 | 2888248, 2888248NX, 2888248RX, 4965225, 4965225NX, 4965225RX, 4330064, 4330064NX, 4330064RX, A030W857, A047B275 |
| PACCAR OEM | Q621404 |
| Roadwarrior | C0038-ID |
| Dinex | 58026 |
| DuraFit | C20-0006 |
| Global Emission Systems / GESi | GESi-505 |
How to Locate Your Stamped Part Number: Original manufacturer part numbers are commonly stamped into the metal canister body band or printed on the emissions tag attached to the catalyst shell. Always compare the stamped number on your original unit to the cross-reference numbers listed above before ordering.
Compatible Cummins OEM Aftertreatment Assembly Numbers
The following Cummins OEM aftertreatment assembly numbers are associated with compatible configurations using this DOC. These are complete aftertreatment assembly references and should not be confused with the individual DOC part numbers listed above.
2866697, 4964970, 4964971, 4964972, 4964976, 4965033, 4965034, 4965036, 4965037
Cummins ISX15 QSX15 2888248 4965225 Q621404 DOC Fitment
This Cummins PACCAR DOC is designed for select heavy-duty commercial vehicles configured with compatible Cummins ISX 15L and Cummins QSX 15L EPA07 exhaust aftertreatment systems.
Cummins ISX 15L and QSX 15L Engine Applications
- Cummins ISX 15L heavy-duty diesel engine applications
- Cummins QSX 15L heavy-duty diesel engine applications
- Select EPA07 applications commonly associated with approximately 2007–2009 model years
Common Heavy-Duty Chassis Applications
- Select Freightliner heavy-duty chassis using the matching DOC assembly
- Select Kenworth heavy-duty chassis using the matching DOC assembly
- Select Peterbilt heavy-duty chassis using the matching DOC assembly
- Select International/Navistar heavy-duty chassis using the matching DOC assembly
- Select Volvo/Mack heavy-duty chassis using the matching DOC assembly
- Select Western Star heavy-duty chassis using the matching DOC assembly
Fitment verification: Always verify exact compatibility using your vehicle's VIN number or original stamped OEM part number on the unit before placing an order.
Cummins PACCAR DOC and Installation Kit Options
Select the setup from the product options that best fits your shop's needs.
| Option | Included Components |
|---|---|
| Full Kit (Best Value) | 1 brand-new DOC unit, 2 2871453 installation gaskets, and 2 2871863 heavy-duty mounting clamps. |
| DOC Only | 1 DOC only. Installation gaskets and clamps are not included. |
Cummins PACCAR DOC Key Features
- Direct-fit Cummins PACCAR DOC: Replaces compatible Cummins and PACCAR Diesel Oxidation Catalyst applications listed in the cross-reference section 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 15L and QSX 15L aftertreatment applications.
- Stainless steel construction: Built with premium stainless steel material for durability in heavy-duty exhaust systems.
- Full Kit available: Includes two 2871453 gaskets and two 2871863 clamps.
- Free shipping: Free ground shipping within the continental United States.
- Same-day dispatch: 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 or incomplete downstream DPF regeneration cycles
- Diagnostic trouble codes related to DOC catalyst efficiency or exhaust temperature performance
- Excessive soot buildup in the downstream DPF
- 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.
