
International Navistar A26 DPF Filter 2021-2024: OEM 2522144C1
INTERNATIONAL NAVISTAR A26 DPF FILTER 2021-2024: OEM 2522144C1

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY
1M MILES OR 1 YEAR
PRODUCT DESCRIPTION
This is a Remanufactured Tamerx DPF Filter, Tamerx part number 2522144RM-SCR ( OEM Part Number 2522144C1 ). All parts are proudly remanufactured in the U.S.A. to the highest of OEM standards, and improvements are often applied to the original design in the remanufacturing process. This part is primarily made for a International Navistar A26, production years 2021-2024, and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here
OEM NUMBERS
| Primary OEM | 2522144C1 |
| Additional OEM | 2522144C1, 2583180X |
ADDITIONAL DETAILS
| CONDITION | Remanufactured |
| UPC / Barcode | 00840490552456 |
| WEIGHT | 33.00 LBS |
SHIPPING OPTIONS
Ship Weight : 33.00 LBS
UPS Ground, 2nd Day Air, Next Day Air
SHIPPING POLICY
Tamerx Diesel Products ships via UPS Ground. Next day air shipping can be arranged for a reasonable price of anywhere from $50.00 - $100.00 depending on the weight of the product and your location. We will do everything we can to make sure that you get the service you need. We understand how important it is to receive your order as quickly as possible.
In most cases Tamerx Diesel Products only needs one address, as long as your product is shipping to the same location as your billing information. In order to eliminate credit card fraud, your billing information must match the credit card you provide.
The terms, conditions, and details of our warranty vary from product to product. Specific warranty details can be found below.
Tamerx Diesel Products provides a replacement warranty on all of our parts. The duration and mileage limitations of the warranty vary by product and are specified on the product's detail page/item listing.
Please note that the warranty covers replacement of the part and the cost of shipping the replacement part to you only. It does not cover any shop, labor, towing, or any similar or related costs. This is not a "money back guarantee".
If you experience a problem with your part or it is not functioning properly, the correct warranty procedure is to call us at (510) 257-1777 (8:00 AM - 5:00 PM ET Monday through Friday). Be sure to have your order number and/or other relevant order information ready so we can easily locate your order and resolve your issue as quickly as possible. From that point, we will review with you any troubleshooting steps that may need to be taken and other areas or systems that can be checked to rule out external problems contributing to your part's issue. If a replacement is determined to be necessary, we will then arrange for your replacement part to ship out ASAP and issue any necessary return shipping labels and/or documents.
As is the case for the majority of the diesel products sold on Tamerx Diesel Products, your part's warranty is active as soon as you install it. In some other cases, warranty activation is contingent upon you sending us your core (i.e., your old part). Tamerx Diesel Products will provide you a return shipping label for parts that have a warranty with a core return condition. When we have received your core return, the part's warranty coverage begins. We reserve the right to void the product warranty if your core is not received within the allotted time, or if it isn't received at all. If the warranty for the diesel part you are purchasing has a core return requirement, it will be clearly noted on the product detail page/item listing.
What is a Core Charge?
A core charge (also called "core deposit") is similar to the deposit you might pay for a can or bottle of soda and is a standard requirement in the auto parts industry. For example, in many states, to promote recycling, you pay a deposit when you purchase a can of soda and receive your deposit back when you return the empty can. Many automotive parts have a core charge, or core price, that works in essentially the same way as a soda can deposit.
30 Day Core Charge Hold
You authorize Tamerx Diesel Products, to hold your credit card for the specified core charge amount and that you agree to return your core with 30 days of receiving the purchased part. When we have received your core return, the hold is released and the core charge payment is canceled.
The customer, or parts buyer, is responsible for any shipping costs associated with core returns unless otherwise specified in the product listing/detail page. Tamerx Diesel Products offers prepaid UPS shipping labels (SKU numbers UPS-CR1 and UPS-CR2) for use in returning your core that are available for purchase on our website during your shopping/order process.
The shipping label you will need to use for the core return is dependent upon what part you are purchasing. UPS-CR1 is good for cores weighing up to 20 pounds. UPS-CR2 is appropriate for shipping cores weighing 21 pounds or more. You must include enough information with the core return that clearly identifies it as a.) a Core Return, and b.) contains enough information we can use to clearly associate the core return with your order. Including a copy of the invoice or packing slip that came with the original shipment, clearly marked "Core Return", is ideal. Alternately, you can include a note marked as "Core Return" that includes your order number, full name and address, and phone number or other contact information. Failure to include this information with your returned core will most likely delay any due core credit being issued and/or delay any applicable warranty activation. Core returns need to be for the exact part purchased and cannot be damaged. Substituting another part in place of the part you have purchased is not acceptable.
All fluids must be drained.
If you have purchased a set or a parts package, you will need to return cores for all components of the set. For example, if you have purchaed a high pressure oil pump with an IPR valve, you will need to return both HPOP and IPR valve cores to receive proper credit. If you have purchased an EGR cooler/EGR valve package, your core return must consist of an EGR cooler core and an EGR valve core, or core credit will not be given.
Core Charges are often mandated by state legislature, and, as such, the actual core charge and taxes on the charge may vary depending on the state in which you buy your part. The Tamerx Diesel Products core charge presented to you online today with your item is representative of the most common core charge.
Engineered for 2021–2024 International/Navistar A26 diesel applications, the DPF Filter (OEM 2522144C1) is a vital component of the exhaust aftertreatment system. This diesel particulate filter is designed to match factory exhaust configurations and emissions sensor locations specific to the A26 engine platform. Its role is to capture and retain soot from exhaust gases, helping reduce particulate emissions and support compliance with applicable emissions standards across these model years. Reliable DPF operation supports consistent exhaust flow and can help minimize issues such as warning lights, fault codes, or derate conditions tied to emissions system performance. This page provides application-specific details to assist with identifying the International Navistar A26 DPF Filter 2021–2024 (OEM 2522144C1) for accurate service and replacement needs.
FITMENT CHART
| YEAR | MAKE | ENGINE(S) | ||||
|---|---|---|---|---|---|---|
| 2021 | International Navistar | A26 | ||||
| 2022 | International Navistar | A26 | ||||
| 2023 | International Navistar | A26 | ||||
| 2024 | International Navistar | A26 | ||||
PEOPLE ALSO ASKS | BLOG(S)
The International Navistar A26 DPF Filter, OEM 2522144C1, works by capturing diesel particulate matter (soot) from the exhaust stream and managing it through a controlled self-cleaning process. It is a core part of the aftertreatment system on 2021–2024 A26 engine applications, designed to keep exhaust emissions within required limits.
- Step 1: Exhaust enters the DPF
- As the A26 engine runs, exhaust gases flow into the DPF housing. These gases contain microscopic soot particles created during normal diesel combustion.
- Step 2: Soot is trapped in the filter substrate
- Inside the DPF is a ceramic honeycomb filter with thousands of tiny channels. The channel design allows exhaust gases to pass through while trapping soot particles in the filter walls. This prevents solid particulates from exiting the tailpipe.
- Step 3: Sensors monitor soot buildup
- As soot accumulates, exhaust restriction increases. The system monitors this using pressure and temperature readings to determine how loaded the filter has become.
- Step 4: Regeneration cleans the filter
- When soot levels reach a set threshold, the system initiates regeneration. During regeneration, exhaust temperatures rise high enough to burn soot into a small amount of ash. This restores exhaust flow and keeps the filter functional.
- Step 5: Ash remains until service
- Ash does not burn off and slowly accumulates over time. Eventually, the DPF will require cleaning or replacement based on service intervals.
OEM 2522144C1 works by trapping soot, monitoring restriction, and using regeneration cycles to keep the exhaust system clean and operating properly on International Navistar A26 engines from 2021–2024.
The main cause of DPF filter failure is excessive soot buildup that the filter can no longer remove through normal regeneration.
A DPF (Diesel Particulate Filter) is designed to trap soot and then burn it off during regeneration. When regeneration cannot keep up, soot accumulates, exhaust flow becomes restricted, and the filter eventually fails.
The most common reasons a DPF filter fails include:
- Frequent short trips or low-speed driving
- Exhaust temperatures stay too low to complete regeneration, allowing soot to build up quickly.
- Interrupted regeneration cycles
- Turning the engine off during an active regen prevents soot from being fully burned off.
- Excessive idling
- Idling creates soot without generating the heat needed to clear the filter.
- Fuel system or combustion issues
- Faulty injectors, poor combustion, or EGR problems increase soot output and overwhelm the DPF.
- Sensor or control system failures
- Failed temperature or pressure sensors can prevent regeneration from activating when needed.
- Oil or coolant contamination
- Internal leaks introduce non-combustible material into the exhaust, permanently restricting the filter.
- Natural ash accumulation over time
- Ash cannot be burned off and slowly fills the DPF until it reaches capacity.
DPF filter failure is most often caused by long-term soot accumulation combined with conditions that prevent proper regeneration.
Frequent regeneration requests or aftertreatment restriction codes typically mean the DPF needs inspection or service.
Yes, 2522144C1 is the Navistar-specified diesel particulate filter for this A26 application.
Yes, many service facilities offer professional cleaning options for DPF filters depending on condition.
Differential pressure and exhaust temperature sensors track filter condition and regeneration status.




