Restore exhaust filtration performance with the Skyline aftermarket International Navistar 2612521C91 DPF Filter. This direct-fit replacement for International / Navistar 2612521C91, 5012831R1, 3712647C91, 5010853R1, 2604430C91, 2604430R91, 2613113C91, 5010843R1, and 82002806 is built to meet or exceed OEM specifications for International / Navistar MaxxForce DT, MaxxForce 9, and MaxxForce 10 engines. Manufactured in the USA with an Exact-Fit™ design, this Diesel Particulate Filter (DPF) provides reliable installation with no modifications required. This brand-new DPF 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 trucks equipped with MaxxForce DT, MaxxForce 9, or MaxxForce 10 engines, including common International DuraStar, WorkStar, and TranStar applications, as well as select IC Bus chassis. Common models may include International 4300, 4400, 7300, 7400, 7500, 7600, and select 8500/8600 regional-haul applications. Fitment may vary by VIN, emissions family, and aftertreatment configuration.
Choose the Setup That Fits Your Shop’s Needs
Full Kit (Best Value): Includes (1) DPF, (2) 2594129C1 gaskets, and (2) 2594128C1 clamps.
DPF Only: Includes (1) DPF only. No gaskets or clamps included.
Engine Compatibility
Approximate Model Years: 2007 to 2009
International / Navistar: MaxxForce DT, MaxxForce 9, MaxxForce 10
Common Vehicle Applications
International DuraStar: 4300, 4400, and related medium-duty applications
International WorkStar: 7300, 7400, 7500, 7600, and related vocational applications
International TranStar: Select regional-haul and tractor applications
IC Bus: Select school bus and commercial bus chassis applications
Cross-References for International Navistar 2612521C91
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 DPF with no core return required
Direct Fit Design: Installs like OEM with no modifications required
In Stock: We sell filters locally, which could affect real-time inventory. You will be contacted immediately if there are any availability issues
OEM Assembly Numbers: 3952509C92
Product images are for reference only. Final components, including filter, gaskets, clamps, and sensor port locations, depend on the selected configuration. Price is for (1) DPF only.
California Shipping Notice: This product is EPA compliant but is NOT for sale in California and cannot be shipped to a California address.
Warranty Information
Skyline offers a 3-year, unlimited mileage warranty on all their DPFs and DOCs. See link in description for warranty terms