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Cummins ISX DOC : OEM 2888262RX

CUMMINS ISX DOC : OEM 2888262RX

Shipping ICON

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY ICON

WARRANTY
1M MILES OR 1 YEAR

$1,775.72

CORE CHARGE:

$500.00
iCORE DISCLAIMER: The CORE charge is a 30 day hold and will not be processed as long as the CORE is returned within 30 days. If you do not have a CORE or fail to return the CORE within 30 days, the CORE charge hold amount will be processed at that time.

AVAILABILITY IN STOCK
OEM NUMBER 2888262RX
PART TYPE DOC
BRAND
ENGINE MAKE Cummins
ENGINE TYPE ISX
YEAR
PART NUMBER 102-0032

PRODUCT DESCRIPTION

This is a New, DOC, part number 102-0032 ( OEM Part Number 2888262RX ). This part is primarily made for a Cummins ISX, and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here

OEM NUMBERS

Primary OEM2888262RX
Additional OEM2606932C1, 2606971, 2606971C91, 2607044C91, 2880259, 2880259NX, 2880259RX, 2888262, 2888262NX, 2888262RX, 288826RX, 4936734, 4936734RX, 4963973NX, 4965079, 4965079NX, 4965079RX, 4969721, 4969721KX, 4969721NX, 4969721RX, A029D892, A030X734, Q165486, Q620939, Q622230

ADDITIONAL DETAILS

CONDITIONNew
UPC / Barcode00840490538740
WEIGHT44.00 LBS

SHIPPING OPTIONS

Ship Weight : 44.00 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.


Elevate exhaust cleanup with the Cummins ISX Diesel Oxidation Catalyst — OEM 2888262RX. Tailored for EPA07 15-liter ISX/QSX engines, this inlet catalyst module neutralizes harmful pollutants, optimizes exhaust flow, and reinforces emission compliance. Remanufactured to match genuine Cummins specs and backed by a 1-million-mile or 1-year warranty, it delivers durable performance and an effortless drop-in install—built to go the distance and keep your rig running cleaner every mile.

PEOPLE ALSO ASKS | BLOG(S)

Efficient emissions control starts with the Diesel Oxidation Catalyst (DOC)—it’s the gatekeeper in your aftertreatment system, ensuring cleaner exhaust flow right from the start. The OEM 2888262RX DOC for Cummins ISX engines is engineered to original specifications, efficiently converting harmful pollutants and laying the foundation for smoother regeneration and better protection downstream.

  • Converts hydrocarbons and carbon monoxide into less harmful gases like carbon dioxide and water—improving exhaust chemistry and reducing strain on components that follow.

  • Ensures consistent exhaust flow and optimal temperature for Diesel Particulate Filter (DPF) regeneration, which can lead to fewer forced regenerations and more reliable maintenance cycles.

  • Shields downstream components like the DPF, Selective Catalytic Reduction (SCR) systems, and sensors from premature wear due to exposure to pollutants—enhancing system longevity.

  • Designed for seamless OEM fitment in Cummins ISX engines, making installation straightforward and downtime minimal.

  • Backed by a generous warranty and supported by a streamlined core return process, ensuring hassle-free servicing and long-term peace of mind.

A well-functioning DOC isn’t just a requirement—it’s the foundation of efficient, reliable emissions control. The OEM 2888262RX ensures better exhaust conditions, smoother regeneration cycles, and enhanced protection for your aftertreatment system. Trust in its quality to support the clean operation and long-term durability of your Cummins ISX engine.

The Diesel Oxidation Catalyst (DOC) is a key part of a diesel engine’s emissions system. It helps break down harmful pollutants like carbon monoxide and hydrocarbons before they exit the exhaust. But over time, the DOC can become clogged due to soot, oil residue, and unburned fuel. When this happens, it doesn't just impact emissions—it can directly affect engine performance in multiple ways.

How a Clogged DOC Impacts Engine Performance

  • Restricted Exhaust Flow
    A clogged DOC creates backpressure in the exhaust system, making it harder for the engine to expel gases efficiently. This can reduce engine power and throttle response.

  • Poor Fuel Economy
    As the engine compensates for the restricted exhaust, it often burns more fuel than usual, reducing fuel efficiency and increasing operational costs.

  • Regeneration Issues
    The DOC plays a role in the regeneration process of the DPF (Diesel Particulate Filter). A clogged DOC can interfere with this process, leading to DPF clogging and more frequent service needs.

  • Higher Emissions
    When the DOC is clogged, it can no longer properly convert pollutants, leading to increased emissions and potential environmental regulation violations.

  • Warning Lights and Fault Codes
    The ECU may detect abnormal exhaust temperatures or pressures caused by a clogged DOC, triggering warning lights or putting the vehicle into limp mode.

  • Component Wear and Damage
    Prolonged backpressure and elevated temperatures can lead to stress and wear on turbochargers, EGR systems, and other engine components.


Neglecting the condition of your DOC can have a domino effect on your engine’s health and efficiency. Regular inspections and proper maintenance, including cleaning or replacement as needed, are essential to ensure smooth engine operation and compliance with emissions standards. If you notice decreased performance or increased fuel consumption, it’s worth having the DOC inspected before bigger problems arise.

With clean exhaust and routine inspection, the Cummins ISX DOC : OEM 2888262RX can last many tens of thousands of miles.

Decreased oxidation efficiency or high exhaust temperature may indicate that the Cummins ISX DOC : OEM 2888262RX needs attention.

Increased backpressure and reduced engine efficiency typically result when the Cummins ISX DOC : OEM 2888262RX is plugged.

Monitoring temperature drop and assessing emission levels using diagnostics helps confirm its operation.

Cummins DOCs

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