Product Overview
International Navistar 2596407C92 5011122R91 2594007C91 Diesel Oxidation Catalyst DOC
Interchange References: 2596407C92, 5011122R91, 2594007C91, MC0503, MC0503-M, MC0503-C, MC0503-FSS, C0069-ID, C20-0026, 65028, GESi-539, 2593998C1
Restore exhaust aftertreatment performance with this premium aftermarket International Navistar Diesel Oxidation Catalyst DOC. This brand-new Skyline DOC is a direct-fit replacement for International Navistar 2596407C92, 5011122R91, and 2594007C91, with additional compatible Skyline, Roadwarrior, DuraFit, Dinex, FSS Emission Products, and Global Emission Systems cross-reference numbers listed in the table below. Designed for select International Navistar MaxxForce heavy-duty diesel aftertreatment applications, this DOC installs without exhaust system modifications, carries no core charge, is backed by a 3-year unlimited mileage warranty, is EPA compliant, and ships free within the continental United States.
International Navistar 2596407C92 5011122R91 DOC Cross Reference Table
How to Verify Your Unit: Use the table below to compare the original stamped OEM part number on your DOC canister, emissions tag, or catalyst housing with compatible OEM and aftermarket interchange numbers.
| Manufacturer | Cross Reference Part Numbers |
|---|---|
| International Navistar OEM | 2596407C92, 5011122R91, 2594007C91 |
| Skyline | MC0503, MC0503-M, MC0503-C |
| FSS Emission Products | MC0503-FSS |
| Roadwarrior | C0069-ID |
| DuraFit | C20-0026 |
| Dinex | 65028 |
| Global Emission Systems | GESi-539 |
International Navistar MaxxForce DOC Fitment Guide
This International Navistar DOC is designed for select medium-duty, heavy-duty, regional, vocational, dump, delivery, and fleet applications equipped with compatible International Navistar MaxxForce exhaust aftertreatment systems.
- Engine Platforms: Select International Navistar MaxxForce diesel applications using the matching DOC assembly.
- Approximate Emissions Era: Commonly associated with select EPA07 applications from approximately 2007 to 2009, depending on vehicle configuration.
- Common Chassis Applications: Select commercial transport, regional pickup, dump, delivery truck, and vocational fleet applications using the matching exhaust layout.
- Compatible OEM Numbers: 2596407C92, 5011122R91, and 2594007C91.
No Clamps Required
- Gaskets Included: Includes one (1) brand-new DOC unit and one (1) 2593998C1 aftermarket exhaust gasket. Clamps are not required for installation
DOC Technical Specifications
| Measurement Parameter | Specification Value |
|---|---|
| Product Type | Diesel Oxidation Catalyst (DOC) |
| Common Search Term | DOC Filter |
| Primary OEM Part Numbers | 2596407C92, 5011122R91, 2594007C91 |
| Manufacturer Part Number | Skyline MC0503 |
| Engine Compatibility | International Navistar MaxxForce |
| Material | Stainless Steel |
| Weight | 31.64 lbs (14.36 kg) |
| Length | 35.08 inches (891.03 mm) |
| Outer Body Diameter | 7.97 inches (202.50 mm) |
| Overall Dimensions | 7.97 x 15.16 inches (202.50 x 385.06 mm) |
| 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 International Navistar DOC: Replaces International Navistar diesel oxidation catalyst applications listed in the cross-reference table above.
- Gaskets Included: Includes one (1) 2593998C1 aftermarket exhaust gasket with the Gaskets Included configuration.
- No Core Charge: Brand-new aftermarket DOC with no dirty core return, core tracking paperwork, or return freight expense.
- EPA Compliant: Designed for supported International Navistar MaxxForce aftertreatment applications.
- Brand-New Unit: New aftermarket Diesel Oxidation Catalyst rather than a remanufactured core.
- Stainless Steel Construction: Built with stainless steel material for durability in heavy-duty exhaust systems.
- Free Shipping: Free ground shipping within the continental United States. 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, incomplete, or unsuccessful regeneration cycles.
- Diagnostic trouble codes related to DOC catalyst efficiency or exhaust temperature performance.
- Excessive soot loading in the downstream DPF.
- Fuel, oil, or other contamination visible at the catalyst inlet.
- Increased exhaust backpressure or reduced engine performance.
- 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.
Disclaimer: Product images are for reference only. The Gaskets Included configuration includes one (1) DOC with one (1) 2593998C1 gasket. Clamps are not required for installation. The DOC Only option includes one (1) DOC only, with no gasket included.
