Description:
The Cummins 3976834 Belt Tensioner is a genuine OEM serpentine belt tensioning component engineered to maintain proper belt alignment and tension in Cummins diesel engines. Designed for durability and consistent performance, this tensioner helps prevent belt slippage, reduces wear on engine accessories, and ensures reliable operation in heavy-duty truck and industrial applications.
Features:
Brand: Cummins
Part Number: 3976834
Product Type: Belt Tensioner
Function: Maintains proper serpentine belt tension
Operation: Spring-loaded automatic tensioner
Material: Cast metal housing with pulley
Engine Compatibility: ISB, QSB, B Series engines
Applications: Trucks, buses, industrial equipment
Mounting Location: Front engine accessory drive
Condition: New OEM / Aftermarket
Brand: Cummins
OEM Cross Reference: 3957434, 3976831, 3936213, 3565151, 3081131, 327-1379-01, 0327-1379-01, 327137901
