CUMMINS DEF HEAD UNIT : OEM ASP4310-6500718
ORDERS PLACED BEFORE 3PM EST WILL SHIP SAME DAY
WARRANTY
1M MILES OR 1 YEAR
PRODUCT DESCRIPTION
This is a Remanufactured, DuraWRX DEF Head Unit, DuraWRX part number ASP4310-6500718 ( OEM Part Number ASP4310-6500718 ). This part is primarily made for a Cummins , and comes with a One Million Miles or One Year Warranty. For additional warranty info Click Here
Additional Notes: DEF Header, 40 MICRON, 18"
OEM NUMBERS
| Primary OEM | ASP4310-6500718 |
| Additional OEM | 031736, 1009212-003, 1112302-002, 24300154-11, 37344, 714898, 717454, 3600884, 3600932, 10345880, 10563072, 46699844, 46850452, 103819017, 240000003, 465-017, 621246-1, 82-78348-000, 82-89733-000, 83-09262-000, 911181, 90035882, ASP4310-6500718, Nova A179720, RP169194, SP161164, SP222118, SV10306, T168098, TMS00194-H |
ADDITIONAL DETAILS
| CONDITION | New |
| UPC / Barcode | |
| WEIGHT | 4.00 LBS |
SHIPPING OPTIONS
Ship Weight : 4.00 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.
"This Product Doesn't Have a Core"
The OEM ASP4310-6500718 DEF Head Unit is engineered for use in Cummins diesel emissions systems, supporting proper DEF fluid delivery and system communication. Built to original specifications, this unit integrates directly with the vehicle's emission components, allowing for straightforward installation and dependable function. It is designed to work seamlessly with factory wiring and sensor configurations, helping to maintain compliance with emissions standards. This component is a suitable replacement when addressing system faults or conducting preventative maintenance. OEM construction ensures a reliable fit and consistent system operation.
PEOPLE ALSO ASKS | BLOG(S)
Modern diesel engines rely on Diesel Exhaust Fluid (DEF) systems to meet strict emissions requirements. A critical component of that system is the DEF head unit, and the OEM ASP4310-6500718 is designed to work seamlessly with Cummins Selective Catalytic Reduction (SCR) setups.
This unit, often mounted on top of the DEF tank, manages fluid level readings, temperature monitoring, and fluid delivery to the SCR system. A faulty DEF head can result in error codes, derating, or even equipment shutdown—making timely replacement essential.
Key features of the OEM ASP4310-6500718 DEF head unit include:
- Integrated Fluid Level Sensor
- Sends accurate DEF tank readings to the ECM
- Heater Element
- Keeps DEF from freezing in cold temperatures
- Temperature Probe
- Monitors and communicates fluid temperature
- OEM Electrical Connector
- Ensures secure and compatible connection
- Tank-Mounted Design
- Fits Cummins DEF tanks with standard flange configuration
Always confirm your equipment’s compatibility and match the OEM number ASP4310-6500718 before ordering.
This DEF head unit is ideal for medium and heavy-duty Cummins applications that require consistent emissions system operation in all climates.
The DEF (Diesel Exhaust Fluid) head unit is critical in managing emissions and ensuring your diesel engine complies with environmental standards. To keep it running reliably, consistent maintenance is key.
Key Maintenance Practices:
- Use Only Certified DEF
- Always use API-certified DEF to avoid contamination.
- Store DEF in a cool, dry place, away from sunlight.
- Keep the DEF Tank Clean
- Regularly inspect the tank for debris, dust, or ice buildup.
- Wipe around the filler cap before refilling to prevent foreign material from entering.
- Check for Crystallization
- Crystals can form around connectors or sensors if DEF dries out.
- Gently clean any buildup with warm distilled water and a soft cloth.
- Inspect Electrical Connections
- Ensure that sensors and wiring to the DEF head unit are secure and undamaged.
- Corrosion or loose connections can cause inaccurate readings or system faults.
- Monitor for Error Codes
- Pay attention to dashboard warnings related to the emissions system.
- Use a diagnostic tool to identify and address any DEF system alerts promptly.
- Avoid Long-Term Storage with DEF in the System
- If the vehicle will sit unused for long periods, consult the manual—DEF can degrade over time, especially in heat.
Routine attention to your DEF system helps ensure reliable operation, reduces downtime, and prevents costly repairs.
This DEF head unit manages the flow, level sensing, and temperature monitoring of diesel exhaust fluid in Cummins aftertreatment systems.
Yes, failure in this unit can result in incorrect DEF readings or heating issues, triggering engine derate or fault codes.
Symptoms include DEF level warnings despite a full tank, DEF heating faults, or unexpected SCR system faults.
It should be visually inspected during routine service intervals, especially in high-mileage or severe-service conditions.
Cummins DEF Head Units
