DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89255, 1 Pulleys
The DAYCO Self-Adjusting Belt Tensioner, model 89255, is a vehicle belt tensioner with 1 pulley and a 3 1/2 in outside diameter. As an OEM part from DAYCO, it is designed for self-adjusting operation in automotive…
SKU 3G-OTH-486385
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Product Description
The DAYCO Self-Adjusting Belt Tensioner, model 89255, is a vehicle belt tensioner with 1 pulley and a 3 1/2 in outside diameter. As an OEM part from DAYCO, it is designed for self-adjusting operation in automotive belt drive systems.
Frequently Asked Questions
What is the DAYCO 89255 belt tensioner used for?
The DAYCO 89255 self-adjusting belt tensioner maintains proper tension in automotive serpentine or accessory belt drive systems. It uses a single pulley with a 3 1/2 in outside diameter to reduce belt slip and noise, extending belt and component life in cars and light trucks.
What are the specifications of the DAYCO 89255 belt tensioner?
The DAYCO 89255 is a self-adjusting belt tensioner with 1 pulley and a 3 1/2 in outside diameter. It is an OEM replacement part from DAYCO, designed for reliable operation in vehicle belt drive systems. The manufacturer part number is 89255.
Where to buy the DAYCO 89255 belt tensioner worldwide?
3G Electric supplies the DAYCO 89255 self-adjusting belt tensioner to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this OEM part.
How to install the DAYCO 89255 belt tensioner?
Install the DAYCO 89255 by first relieving belt tension with a breaker bar on the tensioner arm. Remove the old unit, align the new tensioner’s mounting holes, and torque bolts to manufacturer specs. Always route the belt per the vehicle’s diagram and verify smooth pulley rotation.
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Common applications for DAYCODAYCO Products
3G Electric supplies DAYCO vehicle self-adjusting belt tensioners. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









