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Cummins QSB4.5L Turbo Assembly 2017-2023: OEM 4309144

CUMMINS QSB4.5L TURBO ASSEMBLY 2017-2023: OEM 4309144

Shipping ICON

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY ICON

WARRANTY
1M MILES OR 1 YEAR

$4,495.00

-
+

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 4309144
PART TYPE Turbo Assembly
BRAND Tamerx Diesel Products
ENGINE MAKE Cummins
ENGINE TYPE QSB4.5L
YEAR 2017-2023
PART NUMBER 4309144TX
APPLICATION NOTES Komatsu Industrial
ADDITIONAL NOTES Tier 4

PRODUCT DESCRIPTION

This is a Genuine New, Tamerx Turbo Assembly, Tamerx part number 4309144TX ( OEM Part Number 4309144 ).This part is primarily made for a Cummins QSB4.5L, production years 2017-2023, and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here

Additional Notes: Tier 4

OEM NUMBERS

Primary OEM 4309144
Additional OEM 4309144, 49T-03570, 5300978

ADDITIONAL DETAILS

CONDITION Genuine New
UPC / Barcode
WEIGHT 38.00 LBS

SHIPPING OPTIONS

Ship Weight : 38.00 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.


Boost airflow and engine efficiency in your 2017–2023 Cummins QSB4.5L engine with this OEM 4309144 Turbo Assembly. Designed to deliver responsive power and optimized boost, this turbocharger helps improve combustion, reduce lag, and support fuel economy. Built for durability in demanding conditions, it's the perfect solution to keep your engine running strong and performing at its best.

FITMENT CHART

YEAR MAKE ENGINE(S)
2017 Cummins QSB4.5L
2018 Cummins QSB4.5L
2019 Cummins QSB4.5L
2020 Cummins QSB4.5L
2021 Cummins QSB4.5L
2022 Cummins QSB4.5L
2023 Cummins QSB4.5L

PEOPLE ALSO ASKS | BLOG(S)

The Cummins QSB4.5L Turbo Assembly for 2017-2023 models, identified by OEM 4309144, is a vital component in enhancing engine efficiency. Understanding its components can help in maintaining and replacing them as needed.

This turbo assembly comprises several key parts:

  • Compressor Wheel 
    • This part draws in and compresses air, significantly increasing the air density delivered to the engine.
  • Turbine Housing
    • Houses the turbine wheel and guides the exhaust gases to spin the turbine, which in turn powers the compressor.
  • Turbine Wheel
    • Converts the energy from exhaust gases into mechanical energy to drive the compressor wheel.
  • Actuator
    • Controls the turbo’s operation by adjusting the position of the vanes inside the turbine housing, optimizing boost pressure.

These components work together to ensure your engine runs efficiently by improving air intake, which enhances combustion. Regular inspection and maintenance of these parts are essential to avoid any engine issues.

By understanding these components, you can ensure that your Cummins QSB4.5L Turbo Assembly operates smoothly, contributing to the overall reliability of your vehicle. If you notice any signs of wear or malfunction, it’s important to address them promptly to keep your engine in top shape.

A failing turbo assembly can cause significant problems for your diesel engine. Recognizing the early signs of a bad turbo assembly can save you from more severe engine damage and costly repairs. Here are some of the most common indicators that your turbo assembly might be failing.

Signs to Watch For:

  • Whining or Grinding Noises
    • Unusual sounds like whining or grinding coming from the turbo could indicate internal damage or a problem with the bearings.
  • Excessive Exhaust Smoke
    • If you notice thick, dark smoke coming from the exhaust, this could be a sign that the turbo is leaking oil or burning fuel improperly.
  • Loss of Power
    • A sudden decrease in engine power or slow acceleration could mean that your turbo is not functioning correctly.
  • Check Engine Light
    • The check engine light might illuminate if the turbo is malfunctioning, signaling the need for an immediate inspection.

Ignoring these symptoms could lead to more significant issues with your engine. If you experience any of these signs, it’s crucial to have your turbo assembly inspected and replaced if necessary. Keeping your engine running smoothly requires addressing turbo issues as soon as they arise.

A clogged turbo can restrict airflow, reduce boost pressure, and lead to reduced engine performance and overheating.

It increases the volume and pressure of intake air, promoting a more complete burn of the air-fuel mixture in the cylinders.

Yes, it can be professionally inspected, cleaned, and rebuilt using precision balancing if the core components remain intact.

Contaminated oil can damage internal bearings and turbine blades, leading to premature turbo failure and reduced engine protection.

 

Cummins Turbo Assemblys