DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89421, Heavy Duty
The DAYCO Self-Adjusting Belt Tensioner, model 89421, is a heavy-duty vehicle tensioner with a single pulley. It is designed for automatic belt tensioning in demanding applications, carrying a Heavy Duty performance…
SKU 3G-OTH-486410
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Product Description
The DAYCO Self-Adjusting Belt Tensioner, model 89421, is a heavy-duty vehicle tensioner with a single pulley. It is designed for automatic belt tensioning in demanding applications, carrying a Heavy Duty performance rating.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the DAYCO 89421 belt tensioner used for?
The DAYCO 89421 self-adjusting belt tensioner is used in heavy-duty vehicle applications to automatically maintain proper belt tension on a single-pulley accessory drive system. It ensures reliable operation of alternators, water pumps, and other belt-driven components in demanding environments.
What are the specifications of the DAYCO 89421 belt tensioner?
The DAYCO 89421 is a heavy-duty self-adjusting belt tensioner with one pulley. Its manufacturer part number is 89421, and it carries a Heavy Duty performance rating. This tensioner is designed for automatic belt tensioning in demanding vehicle applications.
Where to buy the DAYCO 89421 belt tensioner worldwide?
3G Electric supplies the DAYCO 89421 heavy-duty belt tensioner to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this part to your location. Contact us for availability and lead time.
How to install the DAYCO 89421 self-adjusting belt tensioner?
Install the DAYCO 89421 tensioner by first relieving belt tension, then removing the old unit. Align the new tensioner with the mounting holes, torque the bolts to manufacturer specifications, and route the belt over the pulley. Always consult the vehicle service manual for exact procedures.
Used in
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.
