Cummins ISX Temperature Sensor | PN CM4384563

You have 30 calendar days to return an item from the date you received it. To be eligible for return all parts must meet the following conditions:
• The item must be new, unused, and uninstalled;
• The product must be in salable condition, with no signs of installation (e.g., grease, scratches, or missing components);
• Original packaging is required, especially for branded parts;
• Any item that has been installed, modified, or misused is not eligible for return;
• Unacceptable returns may be shipped back to the customer upon request, at the customer's expense;
• Your item needs to have the receipt or proof of purchase.
We have a Restocking Fee which applies for return items with damaged package. Restocking Fee is 25%-50% of initial purchase.
• Do not tape the original packaging box — Restocking Fee will apply;
• Do not stick any shipping label/sticker on the original packaging box — Restocking Fee will apply;
• We recommend using stretch film to wrap the original packaging box. Use an additional shipping box or envelope to return the item.
You will be responsible for paying your own shipping costs for returning your item. Shipping costs are nonrefundable.

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All orders processed within 1 business day (excluding Sunday and holidays).

This sensor monitors a critical parameter and reports to the engine control module for system management and protection. A faulty sensor causes inaccurate readings, fault codes, and can affect engine management decisions or trigger engine derate. Genuine Cummins part — engineered for Cummins engines for exact fit and performance.

Q: Which trucks does this sensor fit?
A: Fits Cummins ISX / X15 engines. Verify your specific model and year before ordering. Contact us with your VIN for fitment confirmation.

Q: When should the sensor be replaced?
A: Replace at manufacturer-recommended service intervals or at first sign of failure symptoms. Refer to your truck maintenance schedule.

Q: Is this OEM or aftermarket quality?
A: Genuine Cummins part — engineered for Cummins engines for exact fit and performance.

Q: What fault codes does a failing sensor trigger?
A: Yes. Failure of this component can cause damage to connected systems and engine components. Replace at first sign of issues.

Q: What is included?
A: Complete CUMMINS assembly, ready for installation. All necessary hardware and seals included where applicable.