This belt tensioner is designed for use with Cummins engines, including NT855, 4BT, 6BT, 4BTA, and 6BTA models. It helps maintain proper belt tension to ensure efficient engine performance and reduce wear.
Compatible with Cummins NT855, 4BT, 6BT, 4BTA, and 6BTA engines
Fits 5.9L engine models
Part number: 3976833
Maintains optimal belt tension for reliable operation
Essential for engine accessory drive systems
Note: This is an aftermarket part, not an OEM component. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.
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