DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89217, 1 Pulleys
The DAYCO Self-Adjusting Belt Tensioner (model 89217) is a vehicle belt tensioner with 1 pulley and a 3 in outside diameter. As a DAYCO-branded component, it is designed for self-adjusting operation in automotive…
SKU 3G-OTH-486376
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Product Description
The DAYCO Self-Adjusting Belt Tensioner (model 89217) is a vehicle belt tensioner with 1 pulley and a 3 in outside diameter. As a DAYCO-branded component, it is designed for self-adjusting operation in automotive belt drive systems.
Frequently Asked Questions
What is the DAYCO 89217 self-adjusting belt tensioner used for?
The DAYCO 89217 self-adjusting belt tensioner maintains proper tension in automotive serpentine or accessory belt drive systems. It automatically compensates for belt stretch and wear, reducing slippage and noise. This 1-pulley, 3 in outside diameter unit is a direct replacement for worn tensioners in many vehicle applications.
What are the specifications of the DAYCO 89217 belt tensioner?
The DAYCO 89217 is a self-adjusting belt tensioner with 1 pulley and a 3 in outside diameter. It is manufactured by DAYCO under part number 89217. Designed for automotive belt drive systems, it provides automatic tension adjustment to maintain optimal belt performance without manual retensioning.
Where to buy the DAYCO 89217 belt tensioner worldwide?
3G Electric supplies the DAYCO 89217 self-adjusting belt tensioner to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this DAYCO belt tensioner for your vehicle maintenance needs.
How to install the DAYCO 89217 self-adjusting belt tensioner?
Installation of the DAYCO 89217 belt tensioner typically involves removing the old tensioner, aligning the new unit with the mounting bracket, and torquing the bolts to manufacturer specifications. Always consult the vehicle service manual for proper belt routing and tensioner orientation. Use a breaker bar to relieve tension on the old belt before removal.
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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.









