3403870XS 4394979 EPA21 Cummins Diesel Particulate Filter (DPF) 

Keep your Cummins engine operating efficiently and emissions compliant with this aftermarket Diesel Particulate Filter (DPF) designed for EPA21 applications. Built with durable cordierite ceramic construction and featuring a proprietary catalytic coating, this Smart Range DPF delivers dependable filtration performance for long-haul and steady-duty operations. Clamps and gaskets are included for a complete installation, and the filter is backed by a 3-year unlimited mileage warranty for added peace of mind.

Specifications

• Emission Standard: EPA21

• Material: Cordierite Ceramic

• Smart Range Design for Balanced Performance & Value

• Proprietary Catalytic Coating

• Ideal for Long-Haul and Steady Driving Conditions

• Includes Clamps & Gaskets

• Warranty: 3-Year Unlimited Mileage

• Dimensions (mm): 240 H x 385 W x 240 L

• Dimensions (in): 9.33 H x 14.44 W x 14.44 L

Fitment

Verify OEM number prior to purchase.

Fits the following models:

• Cummins engines requiring an EPA21-compliant Diesel Particulate Filter (DPF)

Direct aftermarket replacement for OEM #s:

• 3403870XS

• 4394979

• 4394979NX

• 4394979RX

• 5418494

• 5418494NX

• 5418494RX

• 5509717

• 5633708

• 5633708CUM

• 5633708NX

• 5633708RX

• 5633760

• 5633760CUM

• 5633760NX

• 5633760RX

• A055T677

• A059P101

• A064F960

Important Information

• Returns are accepted within 30 days after receipt of product with a valid RMA number.

• Returns are subject to a 25% restocking fee.

• Damaged returns are subject to refusal.

• See our Return Policy for more information and instructions to set up a return.

• California Prop 65 WARNING: This product may expose you to a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.

• Not available for sale in California.

• Ships LTL freight - quotes based on commercial addresses only.

• Failure to provide a commercial address could result in order delays and/or additional fees.

• Failure to notate damages on the BOL voids any claims process.

• Verify OEM number(s) before ordering to ensure proper fitment.

• Any mention of OEM names, numbers, or descriptions is for identification and compatibility verification purposes only and does not imply the product is an OEM part.

For questions or help finding a part, reach out to customer service at 833-773-3039.