Product Overview
International Navistar 2520174C1 CMI2520174C1 Diesel Oxidation Catalyst DOC
Interchange References: 2520174C1, CMI2520174C1, XQ0461, XQ0461-M, XQ0461-C, C0349-ID, 58086, 58312, C20-0134, GESi-569, 3855685C1, 5304868, 5304849, 2511519C1
Restore exhaust aftertreatment performance with this premium aftermarket International Navistar 2520174C1 / CMI2520174C1 Diesel Oxidation Catalyst DOC. This brand-new Skyline Diesel Oxidation Catalyst DOC is a direct-fit replacement for International Navistar OEM part numbers 2520174C1 and CMI2520174C1. Designed for select International Navistar heavy-duty trucks using compatible Cummins X12 and Cummins X15 aftertreatment systems, this DOC installs without exhaust system modifications, carries no core charge, is backed by a 3-year unlimited mileage warranty, and ships free within the continental United States.
International Navistar 2520174C1 CMI2520174C1 DOC Cross Reference Table
How to Verify Your Unit: Use the cross-reference 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 | 2520174C1, CMI2520174C1 |
| Skyline | XQ0461, XQ0461-M, XQ0461-C |
| Roadwarrior | C0349-ID |
| DuraFit | C20-0134 |
| Dinex | 58086, 58312 |
| Global Emission Systems | GESi-569 |
International Navistar Cummins X12 X15 2520174C1 DOC Fitment Guide
This International Navistar DOC is designed for select heavy-duty commercial vehicles configured with compatible Cummins X12 and Cummins X15 aftertreatment systems. Always verify exact compatibility using your vehicle's VIN number or original stamped OEM part number on the unit before ordering.
- Engine Platforms: Cummins X12 and Cummins X15 heavy-duty diesel engine applications.
- Common Chassis Applications: Select International Navistar LT Series, LoneStar, HX Series, severe-duty vocational trucks, regional-haul trucks, and other compatible International Navistar heavy-duty applications using the matching DOC assembly.
- Compatible OEM Numbers: 2520174C1, CMI2520174C1
Choose Your Kit Configuration
Select the setup from the product options above that best fits your shop's needs:
- Full Kit (Best Value): Includes one (1) brand-new DOC unit, one (1) 3855685C1 aftermarket exhaust gasket, one (1) 5304868 aftermarket exhaust gasket, one (1) 5304849 heavy-duty clamp, and one (1) 2511519C1 heavy-duty clamp.
- DOC Only: Includes one (1) DOC only. Installation gaskets and clamps are not included.
International Navistar 2520174C1 CMI2520174C1 DOC Technical Specifications
| Measurement Parameter | Specification Value |
|---|---|
| Product Type | Diesel Oxidation Catalyst (DOC) |
| Primary OEM Part Numbers | 2520174C1, CMI2520174C1 |
| Manufacturer Part Number | Skyline XQ0461 |
| Material | Premium Stainless Steel |
| Compatible Skyline Family | XQ0461 Series |
| Exhaust Emission Norm | EPA Compliant |
International Navistar 2520174C1 CMI2520174C1 DOC Key Features
- Direct-Fit International Navistar DOC: Replaces International Navistar 2520174C1 and CMI2520174C1 diesel oxidation catalyst applications.
- 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 heavy-duty aftertreatment applications using compatible Cummins X12 and X15 engine platforms.
- Stainless Steel Construction: Built with premium stainless steel material for durability in heavy-duty exhaust systems.
- Available Full Kit: Full Kit option includes one (1) 3855685C1 gasket, one (1) 5304868 gasket, one (1) 5304849 clamp, and one (1) 2511519C1 clamp.
- 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 International Navistar DOC Needs Replacement
- More frequent or incomplete downstream DPF regeneration cycles.
- Diagnostic trouble codes related to DOC catalyst efficiency or exhaust temperature performance.
- Oil, fuel, or soot contamination on the DOC face after upstream engine or turbocharger issues.
- Increased exhaust backpressure or reduced performance caused by aftertreatment restriction.
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 primary image may show two DOCs for angle or configuration reference. Each selected option includes one (1) DOC. The Full Kit option includes one DOC with the listed gaskets and clamps. The DOC Only option includes one DOC only, with no gaskets or clamps included.
