Restore emissions performance with this premium aftermarket Cummins 5287496 / 4965284 / Q621275 DOC Replacement. This brand-new unit serves as a direct alternative to OEM part numbers 5287496, 5287496NX, 5287496RX, 4965284, 4965284NX, Q621275, and A035H295. Engineered as an exact-fit replacement for commercial vehicles powered by Cummins ISC, Cummins ISL, PACCAR PX-6, and PACCAR PX-8 diesel engines, it requires no exhaust system modifications for installation, carries zero core charge, and ships free within the continental United States.
✓ Free Shipping
✓ EPA Compliant
Cummins 5287496 Cross Reference
How to Verify Your Unit: This direct-fit 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 (2871451), and (1) heavy-duty clamp (2871861).
DOC Only: Includes the replacement component only. Installation gaskets and clamps are not included.
Key Features & Specifications for Part 5287496 / 4965284
Proudly Built in the USA: Designed, engineered, and manufactured in America.
No Core Charge: Brand-new aftermarket component; eliminates core return hassle.
Exact-Fit™ Technical Dimensions: OEM-matching inlet/outlet diameters, pre-machined sensor ports, and factory-spec hanger alignments with zero system modifications required.
Substrate Performance Matrix: Premium flow-through wall-flow core utilizes optimized precious metal washcoat loading to maintain optimal exhaust control.
Industry-Leading Warranty: Backed by a 3-year unlimited mileage warranty on all aftermarket solutions.
EPA Compliant: Meets federal emissions standards for legal installation.
Free Shipping: Free ground shipping within the continental United States. Orders before 2:00 PM Eastern ship same day.
Cummins 5287496 Vehicle Fitment Guide
Direct alternative solution for commercial trucks configured with PACCAR horizontal chassis exhaust layouts. Optimized for:
Engine Platforms: Approximate model years 2007 to 2009 Cummins ISC, Cummins ISL, PACCAR PX-6, and PACCAR PX-8 platforms deployed across medium-duty regional transportation and vocational fleets.
Chassis Fitments: This specific physical canister layout accommodates conventional platform applications with strict frame attachment requirements:
Kenworth DPF Applications: Medium conventional configurations including T270 and T370 single-axle frames.
Peterbilt DPF Applications: Vocational utility, city delivery, and regional pickup platforms including conventional models 337 and 348 setups.
Frequent, unprompted, or incomplete regeneration cycles linked to active trouble codes matching 5287496 / 4965284 / Q621275
Excessive particulate soot loading or exhaust face-plugging at the filter module core face
Active dashboard diagnostic trouble codes (DTCs) signaling low soot capacity or catalyst failures
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 5287496 / 4965284 / Q621275 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.
Warranty Information
Skyline Emissions, Inc., offers a 3-year, unlimited mileage warranty on all their DPFs and DOCs.