International/Navistar 2596690C91 Inlet Module Replacement

International Navistar 2596690C91 2596690R91 Diesel Oxidation Catalyst DOC

Interchange References: 2596690C91, 2596690R91, XN0505, C0071-ID, 58048, C20-0022, GESi-548, XN0505-INT

Restore exhaust aftertreatment performance with this premium aftermarket International Navistar Diesel Oxidation Catalyst DOC. This brand-new Skyline DOC inlet module is a direct-fit replacement for International Navistar 2596690C91 and 2596690R91, with additional compatible aftermarket references listed in the cross-reference table below. Designed for select MaxxForce 11, MaxxForce 13, I766 11L, and I767 13L EPA07 aftertreatment applications, 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 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.

MaxxForce 11 MaxxForce 13 DOC Fitment Guide

This International Navistar DOC inlet module is designed for select heavy-duty commercial vehicles configured with compatible EPA07 exhaust aftertreatment systems.

• Engine Platforms: International Navistar MaxxForce 11, MaxxForce 13, I766 11L, and I767 13L heavy-duty diesel engines.
• Approximate Emissions Era: Commonly associated with EPA07 applications, approximately 2008 to 2010, depending on vehicle configuration.
• Common Chassis Applications: Select International ProStar, International 9900i, and related Class 8 or vocational applications using the matching DOC assembly.
• Compatible OEM Numbers: 2596690C91, 2596690R91

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, required installation gaskets, and heavy-duty mounting clamps.
• DOC Only: Includes one (1) DOC only. Installation gaskets and clamps are not included.

DOC Technical Specifications

Key Features

• Direct-Fit International Navistar DOC: Replaces International Navistar diesel oxidation catalyst applications listed in the cross-reference table above.
• Built in the USA: Designed, engineered, and manufactured in the United States.
• No Core Charge: Brand-new aftermarket DOC with no dirty core return, core tracking paperwork, or return freight expense.
• EPA07 Compliant: Designed for supported MaxxForce 11, MaxxForce 13, I766 11L, and I767 13L aftertreatment applications.
• Stainless Steel Construction: Built with premium 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

• More frequent or incomplete downstream DPF regeneration cycles.
• Diagnostic trouble codes related to DOC catalyst efficiency or exhaust temperature performance.
• Excessive soot accumulation at the catalyst face or in the downstream DPF.
• Reduced engine performance associated with exhaust restriction or poor catalyst operation.
• Fuel, oil, or other contamination visible at the catalyst inlet.
• Physical cracking, melting, corrosion, or damage to the DOC substrate or housing.

*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. Each selected option includes one (1) physical DOC unit. 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.