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Cummins ISC, ISL, 8.3L Fuel Injector 2003-2012: OEM 5263310RX ( Set of 6 )

CUMMINS ISC, ISL, 8.3L FUEL INJECTOR 2003-2012: OEM 5263310RX ( SET OF 6 )

Shipping ICON

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY ICON

WARRANTY
1M MILES OR 1 YEAR

$2,160.00

CORE CHARGE:

$900.00
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 NUMBER5263310RX
PART TYPEFuel Injector
BRANDTamerx Diesel Products
ENGINE MAKECummins
ENGINE TYPEISC, ISL, 8.3L
YEAR2003-2012
PART NUMBERDE815-SET

PRODUCT DESCRIPTION

This is a Remanufactured Tamerx Fuel Injector, Tamerx part number DE815-SET ( OEM Part Number 5263310RX ). 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 Cummins ISC, ISL, 8.3L, production years 2003-2012, and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here

OEM NUMBERS

Primary OEM5263310RX
Additional OEM5263310RX, 84347519, 87708024, 0445120144, 0445120237, 0986435555

ADDITIONAL DETAILS

CONDITIONRemanufactured
UPC / Barcode
WEIGHT9.30 LBS

SHIPPING OPTIONS

Ship Weight : 9.30 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.


Keep your Cummins ISC or ISL 8.3L engine running strong with this set of 6 OEM Fuel Injectors (5263310RX), designed for 2003–2012 models. These remanufactured injectors deliver precise fuel metering and reliable spray patterns to support efficient combustion and consistent engine performance. Perfect for restoring lost power, improving fuel economy, and reducing emissions, this injector set is a dependable choice for maintaining your engine’s peak operation.

FITMENT CHART

YEARMAKEENGINE(S)
2003Cummins ISC ISL 8.3L
2004Cummins ISC ISL 8.3L
2005Cummins ISC ISL 8.3L
2006Cummins ISC ISL 8.3L
2007Cummins ISC ISL 8.3L
2008Cummins ISC ISL 8.3L
2009Cummins ISC ISL 8.3L
2010Cummins ISC ISL 8.3L
2011Cummins ISC ISL 8.3L
2012Cummins ISC ISL 8.3L

PEOPLE ALSO ASKS | BLOG(S)

The fuel injector is a crucial part of any diesel engine, responsible for delivering fuel directly into the combustion chamber. For Cummins ISC, ISL, and 8.3L engines, the OEM 5263310RX fuel injector set (set of 6) ensures smooth and efficient fuel delivery, which is key to maintaining engine performance. Replacing worn or damaged injectors in a timely manner is vital to avoid engine problems and keep your vehicle running efficiently.

Key Features of Cummins ISC, ISL, 8.3L Fuel Injector OEM 5263310RX (Set of 6)

  • Precise Fuel Injection
    •  Delivers the exact amount of fuel required for optimal combustion, ensuring smooth and efficient engine operation.
  • OEM Quality
    • Manufactured to meet Cummins' strict standards, guaranteeing compatibility and reliability for ISC, ISL, and 8.3L engines from 2003-2012.
  • Improves Fuel Efficiency
    • Proper fuel injection leads to better fuel economy, helping you save on fuel costs over time.
  • Prevents Engine Problems
    • A failing injector can cause engine misfires, rough idling, and loss of power. Timely replacement with the OEM 5263310RX set can prevent these issues.
  • Durable Construction
    •  Made from high-quality materials to withstand the demands of heavy-duty diesel engines, ensuring long-lasting performance.

Why Choose the OEM 5263310RX Fuel Injector Set for Your Cummins Engine?

Replacing your fuel injectors with the OEM 5263310RX set is an investment in the long-term performance and reliability of your Cummins ISC, ISL, or 8.3L engine. These injectors ensure proper fuel delivery, which is essential for maintaining fuel efficiency and preventing costly engine issues.

For those looking to maintain their engine's performance, the OEM 5263310RX fuel injector set provides a reliable solution. Keep your engine running smoothly and efficiently by replacing your injectors with this high-quality OEM set.

Fuel injectors play a crucial role in delivering the right amount of fuel to the engine for optimal performance and efficiency. When a fuel injector begins to fail, it can lead to a range of issues that affect your vehicle’s drivability. While it might be tempting to continue driving with a bad fuel injector, doing so can lead to more severe problems and potentially costly repairs. In this blog, we’ll discuss whether you can drive with a malfunctioning fuel injector and the risks involved.

  • Engine Performance Issues

    •  A bad fuel injector can cause significant performance issues such as rough idling, poor acceleration, and a lack of power. These problems can make driving difficult and unpleasant, affecting overall vehicle handling.

  • Reduced Fuel Efficiency

    • When a fuel injector is faulty, it may not deliver fuel efficiently to the engine, leading to poor fuel economy. You may notice a drop in miles per gallon (MPG), which means you’ll need to refuel more often.

  • Increased Emissions

    •  A malfunctioning fuel injector can disrupt the engine’s air-fuel mixture, resulting in higher emissions. This not only affects your vehicle’s environmental impact but could also cause it to fail emissions tests.

  • Engine Stalling

    • A bad fuel injector can cause the engine to stall or hesitate, particularly during acceleration. This can be dangerous, especially if it happens while driving at high speeds or in traffic.

  • Check Engine Light

    • Often, a failing fuel injector will trigger the check engine light on your dashboard. While this light may not immediately indicate a fuel injector issue, it’s a sign that something is wrong and needs attention.

  • Difficulty Starting

    • If you have trouble starting your vehicle or notice that it takes longer than usual, it could be due to a malfunctioning fuel injector. Inconsistent fuel delivery can affect the engine's ability to start properly.

  • Potential for Further Damage

    • Driving with a bad fuel injector can lead to more severe engine problems over time. If left unaddressed, it can cause damage to other components, leading to costly repairs.

While it’s technically possible to drive with a bad fuel injector, doing so can compromise your vehicle’s performance, fuel efficiency, and safety. Ignoring the symptoms and continuing to drive with a faulty injector can lead to further damage and more expensive repairs down the line. If you suspect that your fuel injector is failing, it’s important to have it inspected and replaced by a professional as soon as possible to avoid potential complications and ensure your vehicle runs smoothly.

It delivers precise amounts of fuel into each combustion chamber to power the engine efficiently.

Common signs include engine misfires, rough idling, smoke from the exhaust, and power loss.

A clogged injector can disrupt fuel flow and cause poor engine performance or stalling.

Yes, excessive or improper fuel injection can result in black exhaust smoke.

 

Cummins Fuel Injectors