
Cummins B6.7 Turbo Assembly 2022-2024: OEM 6395645
CUMMINS B6.7 TURBO ASSEMBLY 2022-2024: OEM 6395645

ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY

WARRANTY
1M MILES OR 1 YEAR
PRODUCT DESCRIPTION
This is a Remanufactured Tamerx Turbo Assembly, Tamerx part number 6395645RM-WA ( OEM Part Number 6395645 ). 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 B6.7, production years 2022-2024, and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here
OEM NUMBERS
| Primary OEM | 6395645 |
| Additional OEM | 6395645 |
ADDITIONAL DETAILS
| CONDITION | Remanufactured |
| UPC / Barcode | 00840490555518 |
| WEIGHT | 49.00 LBS |
SHIPPING OPTIONS
Ship Weight : 49.00 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.
Designed to support reliable turbocharger function and efficient airflow management, the Cummins B6.7 Turbo Assembly (2022–2024) OEM 6395645 is an essential component for maintaining proper engine operation. Manufactured to meet original equipment specifications, it ensures accurate compatibility with Cummins B6.7 engines across the specified model years. This turbo assembly regulates the flow of intake air and exhaust gases throughout the turbocharging system, helping support consistent combustion and smooth engine response. Constructed from durable, high-quality materials, it is engineered to withstand high temperatures and demanding diesel operating conditions. Ideal for fleet operators and service professionals, this OEM turbo assembly helps maintain dependable engine functionality and long-term reliability.
FITMENT CHART
| YEAR | MAKE | ENGINE(S) | ||||
|---|---|---|---|---|---|---|
| 2022 | Cummins | B6.7 | ||||
| 2023 | Cummins | B6.7 | ||||
| 2024 | Cummins | B6.7 | ||||
PEOPLE ALSO ASKS | BLOG(S)
The Cummins B6.7 Turbo Assembly (OEM 6395645) is one of the hardest-working components on the engine, quietly managing airflow every time the engine starts, accelerates, or operates under load. Designed for 2022–2024 applications, this assembly helps coordinate the movement of air and exhaust gases to keep the engine operating smoothly and efficiently.
Because it sits at the intersection of the intake and exhaust systems, the turbo assembly performs several important functions simultaneously.
What does the Cummins 6395645 Turbo Assembly do?
- Harnesses exhaust gas energy
- The turbo uses the force of outgoing exhaust gases to spin an internal turbine, putting otherwise wasted energy to productive use.
- Supplies compressed air to the engine
- It increases the density of incoming air, ensuring the engine receives the oxygen needed for effective combustion.
- Maintains airflow across varying conditions
- Whether the engine is idling, cruising, or working under heavy demand, the turbo adjusts airflow to meet changing requirements.
- Supports emissions system operation
- Proper airflow helps create the conditions needed for systems such as EGR, DOC, DPF, and SCR to function correctly.
- Coordinates intake and exhaust processes
- The turbo acts as a bridge between both sides of the engine, helping maintain balance throughout the combustion cycle.
- Communicates with engine management systems
- Modern turbo assemblies work alongside the ECM to help regulate airflow based on real-time operating data.
- Promotes smooth engine response
- Consistent air delivery helps the engine adapt to changing workloads and operating environments.
The Cummins 6395645 Turbo Assembly serves as the engine's airflow control hub, managing how air enters the engine and how exhaust energy is utilized. By supporting combustion, emissions control, and overall engine balance, it plays a vital role in keeping the entire system operating as intended.
A failing turbo assembly should never be ignored. While the vehicle may continue to operate, delaying repairs can put additional stress on your engine and increase the likelihood of more expensive damage.
The first step is identifying the root cause of the failure. Turbocharger issues are often linked to lubrication problems, air intake restrictions, contamination, or worn internal components.
Here are the steps you should take:
- Inspect for oil leaks
- Check the turbo housing, oil feed lines, and surrounding components for signs of oil leakage. Leaking oil can indicate worn seals or internal turbo damage.
- Listen for unusual sounds
- Whining, grinding, rattling, or siren-like noises often point to bearing wear or damage to the compressor or turbine wheel.
- Check the air intake system
- Inspect the air filter, intake piping, and charge air cooler connections for restrictions, cracks, or loose fittings that may affect turbo operation.
- Monitor exhaust smoke
- Blue smoke can indicate oil leakage, while black smoke may suggest airflow problems caused by a malfunctioning turbo.
- Scan for fault codes
- Diagnostic trouble codes related to boost pressure, airflow, or turbo operation can help identify the source of the issue.
- Inspect oil quality and maintenance history
- Dirty, contaminated, or low engine oil is one of the most common causes of turbo failure. Verify that oil changes have been performed at the recommended intervals.
- Avoid heavy loads and aggressive driving
- If the turbo is showing signs of failure, reducing engine stress can help prevent additional damage until repairs are completed.
- Replace the turbo assembly if necessary
- If inspection reveals excessive shaft play, damaged blades, internal wear, or complete turbo failure, replacement is typically the most reliable solution.
Addressing turbo problems early can help prevent engine damage, reduce downtime, and restore reliable operation. The sooner the issue is diagnosed, the better the chances of avoiding more extensive repairs.
The turbocharger works as part of the engine's air management system by regulating the movement of intake air and supporting proper airflow throughout various operating conditions.
The turbocharger relies on exhaust gas flow as its energy source. Changes in exhaust volume and velocity directly influence turbine speed and overall turbocharger performance.
By maintaining a consistent supply of compressed intake air, the turbocharger helps create favorable conditions for efficient and stable combustion.
The turbocharger works alongside pressure, temperature, and airflow sensors that provide information to the engine control module for monitoring system operation.














































