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Cummins ISB 6.7L-240 Turbo Assembly 2014-2017: OEM 3798334RX

CUMMINS ISB 6.7L-240 TURBO ASSEMBLY 2014-2017: OEM 3798334RX

Shipping ICON

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY ICON

WARRANTY
1M MILES OR 1 YEAR

$3,320.00

CORE CHARGE:

$750.00
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 NUMBER3798334RX
PART TYPETurbo Assembly
BRANDTamerx Diesel Products
ENGINE MAKECummins
ENGINE TYPEISB 6.7L-240
YEAR2014-2017
PART NUMBER3798334RM-WA
APPLICATION NOTESThomas Bus

PRODUCT DESCRIPTION

This is a Remanufactured Tamerx Turbo Assembly, Tamerx part number 3798334RM-WA ( OEM Part Number 3798334RX ). 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 ISB 6.7L-240, production years 2014-2017, and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here

OEM NUMBERS

Primary OEM3798334RX
Additional OEM3796063, 3798334RX, 4352552, 5328163, 5644083

ADDITIONAL DETAILS

CONDITIONRemanufactured
UPC / Barcode00840490552531
WEIGHT58.00 LBS

SHIPPING OPTIONS

Ship Weight : 58.00 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.


Unleash the full potential of your Cummins with the Cummins ISB 6.7L-240 Turbo Assembly 2014-2017 (OEM 3798334RX), designed to deliver responsive boost and stronger performance under load. Built to OEM standards for precision fitment and long life, this turbo assembly helps improve airflow and efficiency for smoother power delivery. Perfect for demanding work and long hauls, it’s engineered to stand up to tough conditions mile after mile. Upgrade your engine with a turbo that keeps your rig performing stronger and more reliably.

FITMENT CHART

YEARMAKEENGINE(S)
2014Cummins ISB 6.7L-240
2015Cummins ISB 6.7L-240
2016Cummins ISB 6.7L-240
2017Cummins ISB 6.7L-240

PEOPLE ALSO ASKS | BLOG(S)

The turbocharger assembly is a vital component in diesel engines, helping increase air intake and improve combustion efficiency for stronger performance and better fuel economy. On Cummins ISB 6.7L-240 engines built between 2014 and 2017, a properly functioning turbo assembly ensures your engine breathes better under load and delivers reliable power where it counts. The Cummins ISB 6.7L-240 Turbo Assembly OEM 3798334RX from Tamerx Diesel Parts is engineered to match original specifications, offering a dependable replacement that restores efficient boost delivery and engine responsiveness.

  • Improves air intake for better combustion by compressing incoming air, enabling more complete fuel burn and helping enhance power output

  • Exact fit for Cummins ISB 6.7L-240 engines (2014–2017) ensuring proper installation, correct alignment, and seamless integration with the factory intake and exhaust system

  • Supports efficient boost delivery by helping maintain consistent turbo pressure, which aids throttle response and overall drivability

  • Built to OEM standards (3798334RX) offering dependable durability, stable performance, and full compatibility with original turbocharger components

  • Ideal for highway and heavy-duty applications where sustained turbo performance and reliable airflow are essential for long-term reliability

Replacing a worn or failing turbo assembly with the Cummins ISB 6.7L-240 Turbo Assembly OEM 3798334RX from Tamerx Diesel Parts helps restore proper airflow and boost pressure, supporting smoother engine operation and improved performance. Investing in an OEM-matched turbo assembly ensures your engine continues to run strong and efficiently across varied driving conditions.

A turbo assembly helps deliver the airflow your engine needs to operate efficiently. When the turbo begins to fail, it often shows clear warning signs that affect performance, drivability, and engine health. Catching these symptoms early can help prevent more serious and costly engine damage.

  • Loss of power: A failing turbo may struggle to build or maintain proper boost pressure.

  • Delayed acceleration: Increased turbo lag or hesitation can indicate internal wear or airflow issues.

  • Unusual noises: Whining, grinding, or rattling sounds may point to damaged bearings or turbine components.

  • Excessive exhaust smoke: Blue, black, or gray smoke can result from oil leaks or poor air-to-fuel balance.

  • Increased oil consumption: Worn turbo seals may allow oil to enter the intake or exhaust system.

  • Check engine or boost-related warning lights: Fault codes may appear as turbo performance declines.

A failing turbo assembly should be addressed as soon as symptoms appear. Early inspection and repair help restore proper airflow, protect the engine, and maintain reliable vehicle operation.

Inspect your turbo during regular maintenance intervals or if you notice performance changes. Early detection of oil leaks or shaft play can prevent major turbo damage.

Regular oil and filter changes with high-quality products help ensure proper lubricant flow through the turbo’s bearings. Clean air filters also reduce the risk of contaminants entering the turbo.

Technicians may recommend replacing gaskets, clamps, and oil feed/return lines at the same time as the turbo. Updating these parts helps ensure proper sealing and steady oil supply.

Yes — turbo failure can lead to higher exhaust temperatures, reduced combustion efficiency, and strain on other engine components. Replacing a damaged turbo promptly helps protect the rest of the engine.

Cummins Turbo Assemblys

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