
Gates · New
Gates 04-11 Freightliner Columbia Detroit Diesel 6-Cyl. 14.0L Diesel Fan Belt Drive Tensioner
MPN 38503 · Store SKU gat38503
Supplier stock checked 11/7/2026, 5:46:42 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
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Product details
FleetRunner Heavy-Duty Automatic Belt Tensioners are the longest-lasting belt tensioners in the industry, engineered to exceed demanding OEM requirements. In laboratory tests under extreme peak-to-peak vibration and contamination tests, FleetRunner heavy-duty tensioners lasted up to 3X longer than competitive aftermarket tensioners. FleetRunner Heavy-Duty Automatic Belt Drive Tensioner
Manufacturer fitment & guides
- 2011-04 Freightliner, Columbia, Detroit Diesel 6-Cyl. 14.0 L Diesel, Tensioner Assy. - Fan
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.