Fitment: Belt Tensioner for Cummins ISX Series/B3.9L 4BT 6BT 5.9L 6B 6BTA 4BT 4BTA 6D107, Belt Tensioner for Komatsu Engine 6D107E 4D107E replace 3976834 3957434, more detailed vehicle adaptation information please see below
When Replace? 3-5 years or 80000 to 100000 kilometers. The Belt Tensioner can help you solve problems such as: Increased noise, Timing belt skipping, Disruption of ignition and valve timing, Engine shaking, Difficulty starting, Loud noise during rapid acceleration, Vehicle uncontrollable
Why Replace? If the The Belt Tensioner fails and is not replaced in a timely manner, it may cause problems such as engine timing jumping, ignition and valve timing disorder
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