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 - Returns – Cancellations:
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.
EPA10 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 a - Cummins ISB DOC Replacement and Paccar PX-6 DOC Replacement are the primary usage Model Years 2010 through 2013
Common Vehicle Makes: Freightliner; Business Class M2 106 – Kenworth; T170, T270, and T370 Medium-Duty Models – Peterbilt; 330, 335, and 337 Models – International; Various 4300 Durstar models equipped with Cummins engines – School Busses; Extensive use in Blue Bird, Thomas Built and IC Bus
Like all aftermarket units, this Skyline Cummins DOC cannot be shipped to California.
American made Skyline aftermarket Cummins A029U604 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. Built for durability and a precise OEM fit, it is an ideal replacement for OEM Cummins components. Restore engine efficiency and maintain regulatory standards with this professional-grade aftertreatment solution from Filter Service and Supply. Skyline means greater value because of state-of-the-art manufacturing and testing capability have resulted in a durable DOC with extended service life. This Cummins aftermarket A029U604 DOC is designed and manufactured in the USA, built to last, and keeps your fleet running with lower operating costs.
Our Cummins A029U604 DOC Filter Kit Replacement for your Cummins powered truck is a high-quality diesel oxidation catalyst designed for reliable emissions performance and direct OEM fit. Ideal for medium-duty trucks requiring durable aftermarket aftertreatment solutions.
Cummins A029U604 DOC Filter Kit Replacement offers a dependable aftermarket solution for restoring aftertreatment performance and emissions efficiency. Designed for proper fit and long-lasting durability, this DOC Kit helps support optimal exhaust flow and system operation on compatible Cummins applications. It’s an exceptional value for fleets, repair shops, and owner-operators looking for reliable performance without OEM pricing. Free shipping makes it even easier to get the parts you need fast and affordably from Filter Service and Supply.
Price is for one A029U604 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: 2880426
Warranty Information
Skyline Emissions, Inc., offers a 3-year, unlimited mileage warranty on all their DPFs and DOCs.