Cummins ISC 8.3L, ISL 8.9L EPA07 Diesel Particulate Filter (DPF), New (4965244)

New Dinex DPF for Cummins ISC 8.3L and ISL 8.9L EPA07 Engines, Part Number 4965244

Why Choose This Cummins ISC 8.3L, ISL 8.9L EPA07 DPF From 4BTdiesel?

• Brand new construction built to strict OEM specifications for proper fitment and function
• Manufactured by Dinex in an ISO 9001:2015 certified facility for quality and consistency
• Equal or better quality compared to OEM at a significantly lower price point
• No core charge required on this filter
• Backed by an industry leading 6-month warranty from 4BTdiesel
• Cross references 2880169NX, 3623370C93, 4352920NX, 4352923NX, 4965055D, 4965244NX, 5633691, 58004, 6356944, DIN58004, N8894071, and Q621378
• Fits Cummins ISC 8.3L and ISL engine families

Why the EPA07 DPF on a Cummins ISC 8.3L or ISL 8.9L Is a Critical Emissions Component

The 2007 EPA emissions standards represented a significant tightening of particulate matter limits for on-road diesel engines, and the diesel particulate filter is the primary component responsible for meeting those requirements on Cummins ISC 8.3L and ISL 8.9L applications built to EPA07 standards. These engines are found in a broad range of medium duty trucks, transit buses, school buses, and vocational equipment that operate on fixed routes and strict schedules where downtime has real consequences for operators and the communities they serve.

The DPF on an EPA07 ISC 8.3L or ISL 8.9L captures soot from the exhaust stream throughout the duty cycle and relies on active and passive regeneration to periodically burn off that accumulated soot and restore filter flow. The process works well under normal operating conditions, but ash from burned oil additives accumulates over time in a way that regeneration cannot address. Once ash loading reaches a critical level or the filter substrate sustains thermal damage from a failed regen event or a restricted exhaust system, the filter must be replaced. No amount of cleaning or forced regen can restore a substrate that has been structurally compromised.

The downstream effects of a plugged or damaged DPF on these applications go beyond fault codes and derate conditions. For a school bus or transit route, a truck parked for an emergency DPF replacement means disrupted schedules, missed stops, and real operational pressure to get the vehicle back in service as quickly as possible. A quality new Dinex DPF from 4BTdiesel restores proper exhaust flow immediately, eliminates the regen failures that come with a compromised filter, and gives the ISC 8.3L or ISL 8.9L everything it needs to stay in compliance and on schedule.

About This Cummins ISC 8.3L, ISL 8.9L EPA07 DPF

This is a brand new Dinex diesel particulate filter, 4BTdiesel part number 4965244, engineered as a direct fit replacement for Cummins ISC 8.3L and ISL diesel engines built to EPA07 emissions standards. Because DPFs are highly application specific, 4BTdiesel strongly recommends entering your Engine Serial Number or VIN on the product page before ordering so our team can confirm this is the correct filter for your specific vehicle and aftertreatment configuration before the part ships.

This DPF weighs 45.5 lbs and ships in a 15.5 by 13.2 by 13.2 inch package. There is no core charge on this filter, so no deposit is required and nothing needs to be returned after installation. It cross references a comprehensive list of Cummins and Dinex OEM numbers including 2880169NX, 3623370C93, 4352920NX, 4352923NX, 4965055D, 4965244NX, 5633691, 58004, 6356944, DIN58004, N8894071, and Q621378. If your existing DPF carries any of these numbers, this unit is the correct replacement.

Get Your Cummins ISC 8.3L, ISL 8.9L EPA07 DPF From 4BTdiesel

At $1,387.23 with no core charge, a 6-month warranty, and same-day shipping on in-stock orders placed by 2PM EST, this Dinex DPF delivers outstanding value for a critical aftertreatment repair on the ISC 8.3L and ISL 8.9L platform. Financing is available through PayPal Pay Later and Sezzle for qualified buyers, with PayPal Pay Monthly offering 3, 6, 12, or 24 month payment plans with $0 down to help manage the cost without extending vehicle downtime. 4BTdiesel’s professionally certified factory mechanics are on staff to assist with fitment confirmation, fault code diagnosis, and any installation questions before and after your purchase.

Order your Cummins ISC 8.3L, ISL 8.9L EPA07 Diesel Particulate Filter (4965244) from 4BTdiesel today.

Frequently Asked Questions About Cummins ISC 8.3L ISL 8.9L EPA07 DPF (4965244)

1. What engines does DPF 4965244 fit?

This DPF is built for Cummins ISC 8.3L and ISL diesel engines manufactured to EPA07 emissions standards. 4BTdiesel strongly recommends submitting your Engine Serial Number or VIN before ordering so our team can confirm this is the correct filter for your specific vehicle and aftertreatment system configuration before the part ships.

2. What OEM part numbers does this DPF replace?

Part number 4965244 cross references 2880169NX, 3623370C93, 4352920NX, 4352923NX, 4965055D, 4965244NX, 5633691, 58004, 6356944, DIN58004, N8894071, and Q621378. If your existing DPF carries any of these numbers, this is the correct replacement.

3. Is this DPF new or cleaned and recertified?

This is a brand new Dinex diesel particulate filter, not a cleaned, recertified, or remanufactured unit. It is manufactured in an ISO 9001:2015 certified facility and built to meet or exceed OEM specifications from the day it is installed, with no prior ash loading, heat cycles, or structural stress.

4. What is the difference between an EPA07 DPF and an EPA10 DPF for the ISC 8.3L or ISL 8.9L?

EPA07 and EPA10 refer to the 2007 and 2010 EPA emissions standards, and the aftertreatment systems designed to meet each standard are different in configuration and in some cases in physical design. Using a DPF intended for one emissions standard on an engine built to the other can result in incorrect fitment, improper sealing, or continued fault codes after installation. Always match the DPF to the specific emissions tier of your engine, and use your ESN or VIN to confirm before ordering.

5. What are the signs that my Cummins ISC 8.3L or ISL 8.9L EPA07 DPF needs to be replaced?

Common symptoms include repeated active regen failures that do not clear the fault codes, engine derate or significant power reduction, elevated exhaust backpressure readings, fault codes related to DPF pressure differential or soot load, increased fuel consumption, and excessive black smoke from the exhaust. If forced regens are no longer resolving the fault codes or the substrate has sustained physical damage, replacement is the correct course of action.

6. Is there a core charge on this DPF?

No. This Cummins ISC 8.3L, ISL 8.9L EPA07 DPF carries zero core charge. There is no deposit required at checkout and nothing to return after the installation is complete.

Warranty

6-month warranty.

8. How fast will this DPF ship?

In-stock orders placed by 2PM EST ship the same day, Monday through Friday. The filter weighs 45.5 lbs and ships in a 15.5 by 13.2 by 13.2 inch package via UPS or FedEx, with delivery timelines varying by location.

9. Can I finance the purchase of this DPF?

Yes. 4BTdiesel offers financing through PayPal Pay Later and Sezzle at checkout. PayPal Pay Monthly provides 3, 6, 12, or 24 month payment options with $0 down for qualified buyers, making the $1,387.23 aftertreatment repair much more manageable without keeping the vehicle out of service any longer than necessary.

10. Can 4BTdiesel help me confirm this is the right EPA07 DPF for my engine before I order?

Yes. 4BTdiesel has professionally certified factory mechanics on staff who can cross reference your Engine Serial Number, VIN, and existing part numbers to confirm that 4965244 is the correct EPA07 DPF for your specific Cummins ISC 8.3L or ISL 8.9L application before your order is placed.