Free Ground shipping within the continental USA. Other options, including overnight, are available at checkout. We ship from several warehouses located throughout the USA. Orders placed after 2:00pm Eastern time will ship next business day
California Orders:
Like ALL aftermarket DOCs, this item cannot be shipped to California. Please contact us if you are not sure this is the correct replacement. See our Shipping – Returns – Cancellations Policy in the top menu above
Have questions? Call an expert at 760-355-8900, 9am - 9pm EST
Choice of Kits – With Gaskets and Clamps or DOC only, NO Gaskets or Clamps
Gasket and Clamp Kit include (2) 2871451 gaskets and (2) 2871861 clamps
Free Ground Shipping within the continental USA
American Quality: This DOC is designed and manufactured in the USA, adhering to the highest industry standards for emissions control and hardware durability.
3-year unlimited mileage Warranty
Stainless Steel Housing with Premium Substrate ensures maximum soot collection and effective regeneration cycles.
EPA Compliant - This filter fully complies with Federal emission standards, ensuring your vehicle meets EPA requirements for particulate matter reduction.
Engine Protection: Reduces backpressure to prevent engine strain, helping you avoid costly derate conditions and maintaining fuel efficiency
Skyline Exact-Fit Technology: Eliminates the need for modifications; this kit is designed for a "drop-in" fit that matches factory mounting points and sensor ports
Normally used for Cummins ISB 6.7L, QSB 6.7L and Paccar PX-6 Engines Model years 2007 to 2009
Common Vehicle Makes: Peterbilt 335 and 337 – Kenworth T207 and T370 – Freightliner: Various medium-duty M2 configurations utilizing the ISB engine - International: Various medium-duty trucks with the ISB 6.7L power plant.
Like all aftermarket units, this Skyline Cummins DOC cannot be shipped to California.
Skyline’s Cummins 4965222NX DOC Filter is a premium emissions solution engineered to provide a direct, high-performance replacement for your medium-duty engine's aftertreatment system. Our heavy-duty aftermarket Cummins 4965222 DOC filter features the advanced Skyline Exact-Fit™ design, ensuring that every unit matches the original equipment geometry for a seamless installation without the need for additional modifications. Because this Cummins aftermarket 4965222 DOC is designed and manufactured in the USA, it meets the highest standards of American craftsmanship and durability. Each unit is specifically built to last through the most demanding duty cycles, providing long-term reliability for Cummins ISB 6.7L and Paccar
PX-6 platforms. By choosing this high-quality catalyst, you ensure that your equipment remains in compliance while it effectively keeps your fleet running with lower operating costs compared to expensive OEM dealer alternatives.
Price is for one 4965222 DOC Inlet Module; pictures are for reference only. Please contact us if you have any questions or are not sure if this is the correct replacement.
Used on OEM Assembly Part Numbers: 4965044, 4965148, 4965176
Warranty Information
Skyline Emissions, Inc., offers a 3-year, unlimited mileage warranty on all their DPFs and DOCs.