Restore exhaust filtration performance with this premium Skyline aftermarket Cummins / PACCAR 4394227 / 5579369 / 2072898 / A054M203 DPF Replacement. This brand-new unit serves as a direct-fit alternative to high-traffic OEM part numbers 4394227, 5579369, 2072898, A054M203, A064B957, 4394227NX, 4394227RX, 2072898X, 2072898XS, 2072898RX, 2072898NX, 5579369NX, and 5579369RX. Engineered as an exact-fit replacement for medium-duty EPA 2017 aftertreatment systems running Cummins ISB 6.7L / B6.7 and PACCAR PX-7 engine platforms, this high-efficiency diesel particulate filter requires no exhaust system modifications for installation, carries zero core charge, and ships free within the continental United States.
✓ Free Shipping
✓ EPA Compliant
Cummins / PACCAR 4394227 Cross Reference
How to Verify Your Unit: This direct-fit diesel particulate filter replaces exhaust components stamped with housing, casting, or manufacturing tags matching any of the interchangeable assembly numbers or supplier cross-references listed below:
Select the setup from the product options above that best fits your shop's needs:
Full Kit (Best Value): Includes (1) Brand-New Unit, (2) Original Equipment Quality installation gaskets (2871772), and (2) heavy-duty hardware clamps (5417471).
DPF Only: Includes the replacement component only. Installation gaskets and clamps are not included.
Key Features & Specifications for Part 4394227 / 5579369 / 2072898
Built in the USA: Designed, engineered, and manufactured in America.
No Core Charge: Brand-new aftermarket diesel particulate filter component; eliminates core return hassle and freight delays.
Exact-Fit™ Technical Dimensions: Engineered with OEM-matching technical specifications, pre-machined sensor ports, and rigid factory-spec hanger alignments for direct exhaust installation with zero modifications required.
Substrate Performance Matrix: Advanced wall-flow precious metal core substrate ensures precise regeneration intervals and long-term diesel engine emission control.
Industry-Leading Warranty: Backed by a 3-year unlimited mileage warranty on all Skyline aftermarket solutions.
EPA Compliant: Meets federal emissions standards for legal installation.
Free Shipping: Free ground shipping within the continental United States. Orders placed before 2:00 PM Eastern ship out the same business day.
Cummins / PACCAR Vehicle Fitment Guide
Direct alternative solution for commercial heavy-duty and medium-duty vehicles configured with compatible aftertreatment layouts from approximately 2017 to present models. Optimized for:
Engine Platforms: Cummins ISB 6.7L / B6.7 and PACCAR PX-7 engine platforms tracking under EPA 2017 specifications.
Chassis Fitments: This specific high-traffic physical layout matches commercial configurations across multiple vehicle makes:
Freightliner Platforms: Business Class M2 configurations.
International Platforms: MV and HV Series medium-to-heavy duty applications.
Kenworth Platforms: Models T270 and T280 setups.
Peterbilt Platforms: Conventional models 337, 536, and 537 builds.
Buses: Compatible school bus and commercial fleet tracking applications.
Signs Your Emission Aftertreatment System Needs Replacement
Frequent, unprompted, or incomplete diesel particulate filter regeneration cycles linked to active trouble codes matching 4394227 / 5579369 / 2072898
Excessive particulate soot loading or exhaust face-plugging at the aftertreatment catalyst face
Active dashboard diagnostic trouble codes (DTCs) signaling low soot capacity or filter substrate degradation
Unexplained commercial engine backpressure increases or gradual exhaust system power loss
*Note: Always verify exact vehicle compatibility using your vehicle's VIN number, emissions family descriptor tag, or the original stamped OEM part number on your filter unit casing before placing an order.
California Shipping Notice: This product is EPA compliant but is NOT for sale in California and cannot be shipped to a California address.
Disclaimer: Product images for reference only. Final replacement hardware items matching OEM parameters such as gaskets, clamps, and sensor ports depend on your kit configuration. Selecting the "Full Kit" option adds the explicitly listed installation components to your shipment. Price is for (1) DPF.
Warranty Information
Skyline offers a 3-year, unlimited mileage warranty on all their DPFs and DOCs. See link in description for warranty terms