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Belt Tensioner 3976832 3937556 for Cummins 4BT 3.9 6BT 5.9 6CT C8.3L 6C 6CT 6CTA
$83.99
Sale price
$83.99
Regular price
Available to Order
Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks
Edward H. — Verified customer
Belt Tensioner for Cummins 4BT 3.9 and 6BT 5.9 Engines
Durable belt tensioner designed for Cummins 4BT 3.9, 6BT 5.9, and 6CT engines, ensuring optimal belt performance.
- Fits Cummins 4BT 3.9, 6BT 5.9, 6CT, C8.3L engines
- Maintains proper belt tension for engine efficiency
- High-quality aftermarket replacement, not OEM
- Easy to install with standard tools
- Improves engine reliability and reduces wear
Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.
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