Share this product on social media and get an exclusive discount code!
Click any platform below to share this product. After sharing, you'll receive a discount code!
Chosen by over 100,000 customers for trusted quality and exceptional service.
Enjoy a full year of warranty, ensuring long-lasting reliability and peace of mind.
Hassle-free 90-day return policy for a risk-free shopping experience.
Round-the-clock support to assist you whenever you need it.
Belt Tensioner Pulley 3978022 3922900 for Cummins 6CT 6BT Engine
Part Number:
3978022,3922900
Applications:
Fits Cummins
Engine:
Fits Cummins Engine:
B3.9L, 4BT, 6BT, 5.9L, 4BT, 4BTA, 6B, 6BTA, 8.3L, ISB, ISC
Case:6T590, 6T830, 4T390
Fit for Freightliner FL80 MT35 MT45 MT55
1997-2004 MT35 3.9L L4 DIESEL Turbocharged
1993 FL70 5.9L L6 DIESEL Turbocharged
1997 FL70 8.3L L6 DIESEL Turbocharged
1997 FL50 8.3L L6 DIESEL Turbocharged
1997 FL60 8.3L L6 DIESEL Turbocharged
1997 FL80 8.3L L6 DIESEL Turbocharged
PETERBILT:320
Blue Bird:TC2000
Case:1150, 450, 9010, 9020, 9030
Our product experts will respond to your email within 24 business hours.
All new aftermarket parts come with a 1-Year warranty. Quality is the first thing we consider. Check out our Warranty Assistance for more details.
We offer express and standard shipping options to ensure your off-road machine gets back in action—fast and reliably. For more details, please visit our Shipping Policy.
We prioritize your satisfaction. If your order doesn't meet your expectations within 90 days, you may be eligible for a refund. See our Easy Return Policy for details.
