Cummins 4969838 5579352 Q623804 DPF Filter Replacement

Restore emissions performance with this premium Skyline aftermarket Cummins 4969838 / 5579352 / Q623804 DPF. This brand-new unit serves as a direct alternative to OEM part numbers 4969838, 4969838NX, 4969838RX, 5579352, 5579352NX, 5579352RX, Q623804, 4965286, 4965286NX, 4965286RX, A064B981, and Q621371. Engineered as an exact-fit replacement for commercial vehicles powered by Cummins ISC and ISL 8.9L (EPA07) platforms, it requires no exhaust system modifications for installation, carries zero core charge, and ships free within the continental United States.

Cummins 4969838 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:

Choose Your Kit Configuration

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 (2871452), and (2) heavy-duty clamps (2871862).
• DPF Only: Includes the replacement component only. Installation gaskets and clamps are not included.

Key Features & Specifications for Part 4969838 / 5579352 / Q623804

• 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 Skyline 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 4969838 Vehicle Fitment Guide

Direct alternative solution for commercial vehicles configured with compatible heavy-duty exhaust layouts. Optimized for:

• Engine Platforms: Cummins ISC, Cummins ISL 8.9L, and EPA07 Cummins ISC / ISL variants deployed across medium-to-heavy vocational fleets.
• Chassis Fitments: This specific physical canister layout accommodates conventional platform applications with strict frame attachment requirements:
  • Kenworth DPF Applications: Medium and heavy conventional vocational lines including T270, T370, T280, T380, T440, and T470 variants.
  • Peterbilt DPF Applications: Severe-duty utility, heavy delivery, and regional pickup platforms including conventional models 325, 330, 337, 348, 536, and 548 setups.

Compatible OEM Master Assembly Numbers: 203266A, 2866698, 2871801, 2880190, 4964973, 4964978, 4964979, 4964981, 4964987, 4964991, 4965026, 4965027, 4965028, 4965029, 4965151, 4965153, 4965154, 4965155, 4965156, 4965157, 4965158, 4965159, 4965160, 4965177, 4965179, 4965180, 4965181, 4965182, 4965183, 4969711, 4969754, 4969799, 4969857, 4969892, 4969912, 4969914, 4969915, 4969918, 4969919, 4969920, 4969922, 4969928, 4969929, 4969930, 4969931, 4969932, 4969933, 4969942, 4969954, 4969955, 4969956, 4969958, 4969961, 4969962, 4969963, 4969964, 4969965, 4969966

Signs Your Cummins DPF Needs Replacement

• Frequent, unprompted, or incomplete regeneration cycles linked to active trouble codes matching 4969838 / 5579352 / Q623804
• 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.

Disclaimer: Product images for reference only. Final replacement hardware items matching OEM 4969838 / 5579352 / Q623804 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.