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
Direct Fitment:Engineered to exact OEM specifications for a "bolt-on" installation, no modifications required reducing downtime
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 and Paccar PX-6 Engines Model years 2007 to 2013
Common Vehicle Makes: Kenworth T270 and T370 – Peterbilt 325, 330, 335, and 337 – Freightliner M2 106 – International DuraStar 4300 Series with Cummins ISB option
Like all aftermarket units, this Skyline Cummins DOC cannot be shipped to California.
American made Skyline aftermarket Cummins 4965339 DOC filter, your low-cost heavy-duty replacement meets OEM specifications. Skyline Emissions specializes in the design, development, and manufacture of a complete line of Cummins, Diesel oxidation catalyst Filters (DOC) and related emissions critical components. Developed by an engineering team with decades of diesel emissions control experience, Skyline DOCs combine Exact-Fit™ design with exceptional quality and extensive performance testing. Skyline Cummins aftermarket 4965339 DOC is designed and manufactured in the USA, built to last, and keeps your fleet running with lower operating costs.
Cummins 4965339 / 4965339NX DOC Filter Kit Replacement for Cummins ISB 6.7 and PACCAR PX-6 engines. High-quality diesel oxidation catalyst designed for reliable emissions performance and direct OEM fit. Ideal for medium-duty trucks requiring durable aftermarket aftertreatment solutions
Price is for one 4965339 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: 4965173, 4969819
Warranty Information
Skyline Emissions, Inc., offers a 3-year, unlimited mileage warranty on all their DPFs and DOCs.