International Navistar 2597007C91 5011121R91 2595715C91 DOC Inlet Module Replacement

Restore emissions performance with the Skyline aftermarket International/Navistar 2597007C91 DOC Inlet Module. This direct-fit replacement for International/Navistar 2597007C91, 5011121R91, and 2595715C91 is built to meet or exceed OEM specifications for International/Navistar MaxxForce 7 and MaxxForce DT engines. Manufactured in the USA with an Exact-Fit™ design, this Diesel Oxidation Catalyst (DOC) Inlet Module provides reliable installation with no modifications required. This brand-new DOC has no core charge, includes a 3-year unlimited mileage warranty, is EPA compliant, and ships free within the continental United States.

Fits select International/Navistar MaxxForce 7 and MaxxForce DT medium-duty truck, bus, and vocational applications, including select International, Navistar, and IC Bus chassis configurations. Verify fitment by OEM part number, engine serial number, or VIN before ordering.

Choose the Setup That Fits Your Shop’s Needs

• Full Kit (Best Value): Includes (1) DOC, (1) 2594129C1 gasket, and (1) 2594128C1 clamp.
• DOC Only: Includes the DOC only. No gaskets or clamps included.

Engine Compatibility

• Approximate Model Years: 2007 to 2009
• International/Navistar: MaxxForce 7
• International/Navistar: MaxxForce DT
• International/Navistar MaxxForce DOC aftertreatment applications

Common Vehicle Applications

• International/Navistar: Select medium-duty, delivery, and vocational applications
• International DuraStar: 4000-series style applications
• IC Bus: Select bus chassis equipped with MaxxForce 7 or MaxxForce DT engines
• Select school bus, delivery, utility, municipal, and vocational chassis equipped with International/Navistar MaxxForce engines

Cross-References for International/Navistar 2597007C91 DOC

Key Features

• Built in the USA: Proudly designed, engineered, and manufactured in America.
• Warranty: 3-year unlimited mileage warranty.
• Shipping: Free ground shipping within the continental USA. Overnight and expedited options available at checkout. Orders placed after 2:00 PM Eastern ship next business day.
• EPA Compliant: Meets federal emissions standards for particulate matter reduction requirements.
• No Core Charge: Brand-new DOC with no core return required.
• In Stock: We sell filters locally, which could affect real-time inventory. You will be contacted immediately if there are any availability issues.
• Direct Fit Design: Installs like OEM with no modifications required.

Product images are for reference only. Final components such as the DOC, gaskets, clamps, and sensor port locations depend on the selected configuration. Price is for (1) DOC only.

California Shipping Notice: This product is EPA compliant but is NOT for sale in California and cannot be shipped to a California address.