Cummins Belt Tensioner CUM 3973819
*Please Verify OEM Number Before Purchase
This belt tensioner provides proper tension to your trucks serpentine belt to stop that pesky squealing sound while driving and restore proper functionality.
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Any mention of OEM names or OEM product ID numbers/descriptions/model numbers is intended for identification purposes only and does not indicate that it is an OEM part.
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Manufacturer warranties this product against defects in material or workmanship for a period of two (2) years from the original date of purchase of the product by a consumer.