Product Overview
International Navistar 2594369C91 5010840R91 DPF Filter
International/Navistar DPF replacement: Replace a worn or damaged International/Navistar 2594369C91 or 5010840R91 DPF Filter with this brand-new Skyline MK1221 aftermarket Diesel Particulate Filter. Additional aftermarket cross reference: DuraFit C17-0107.
Engine applications: This direct-fit DPF replacement is intended for select International/Navistar MaxxForce DT, MaxxForce 9, and MaxxForce 10 diesel engine applications using compatible EPA07 exhaust aftertreatment systems, including select medium-duty, heavy-duty, vocational, school bus, refuse, municipal, delivery, and commercial fleet configurations.
Product details and configurations: This Diesel Particulate Filter has no core charge, includes a 3-year unlimited mileage warranty, is EPA compliant, and ships free within the continental United States. The Full Kit includes one 2593998C1 installation gasket, one 2594129C1 installation gasket, and one 2594128C1 heavy-duty clamp.
International Navistar DPF Cross References
International/Navistar 2594369C91 and 5010840R91 DPF filters cross-reference with Skyline MK1221 and DuraFit C17-0107.
| Manufacturer | Cross Reference Part Numbers |
|---|---|
| International/Navistar OEM | 2594369C91, 5010840R91 |
| Skyline | MK1221 |
| DuraFit | C17-0107 |
International MaxxForce DPF Engine Compatibility & Fitment Guide
This Skyline DPF is intended for select International/Navistar commercial diesel applications equipped with compatible MaxxForce DT, MaxxForce 9, or MaxxForce 10 EPA07 exhaust aftertreatment systems. Exact compatibility varies by engine calibration, emissions family, model year, chassis configuration, exhaust layout, and the original stamped DPF part number.
- Engine Platforms: Select International/Navistar MaxxForce DT, MaxxForce 9, and MaxxForce 10 diesel engine applications
- Approximate Model Years: Select 2007–2009 applications
- Approximate Emissions Era: EPA07 exhaust aftertreatment applications
- Common Applications: Select medium-duty, heavy-duty, vocational, school bus, refuse, municipal, delivery, and commercial fleet configurations
- Compatible OEM Numbers: 2594369C91 and 5010840R91
Choose Your Kit Configuration
Select the configuration from the product options that best fits your installation needs.
DPF Technical Specifications
- Product Type
- Diesel Particulate Filter
- Common Search Terms
- DPF, DPF Filter, Diesel Particulate Filter, Diesel Exhaust Filter
- Primary OEM Part Numbers
- 2594369C91, 5010840R91
- Manufacturer Part Number
- Skyline MK1221
- Engine Compatibility
- Select International/Navistar MaxxForce DT, MaxxForce 9, and MaxxForce 10 applications
- Housing Material
- Stainless steel
- Full Kit Hardware
- One 2593998C1 gasket, one 2594129C1 gasket, and one 2594128C1 clamp
- Core Condition
- Brand-new aftermarket unit
- Core Charge
- No core charge
- Warranty
- 3-year unlimited mileage warranty
- Exhaust Emission Norm
- EPA07 compliant
Key Features
- Direct-fit replacement for the listed International/Navistar OEM applications
- Brand-new Skyline aftermarket DPF Diesel Particulate Filter
- No core charge or used filter return required
- Stainless steel housing construction
- EPA compliant for applicable federal emissions applications outside California
- Available Full Kit with one 2593998C1 gasket, one 2594129C1 gasket, and one 2594128C1 clamp
- Ships free within the continental United States
- Backed by a 3-year unlimited mileage warranty
Signs Your DPF Needs Replacement
- Frequent, incomplete, or unsuccessful regeneration cycles
- Excessive soot loading, ash accumulation, or visible face plugging
- Abnormal DPF differential pressure readings
- High exhaust backpressure
- DPF restriction, soot-capacity, or filter-efficiency diagnostic trouble codes
- Visible soot at the tailpipe that may indicate internal filter damage
- Reduced engine power or performance under load
- Cracking, melting, corrosion, or other physical filter damage
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.
