DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89458, Heavy Duty
The DAYCO 89458 Self-Adjusting Belt Tensioner is a heavy-duty, single-pulley tensioner designed for vehicle accessory belt systems. As a self-adjusting unit, it maintains proper belt tension automatically, supporting…
SKU 3G-OTH-486269
Need installation or engineering help?
Ask a question
Product Description
The DAYCO 89458 Self-Adjusting Belt Tensioner is a heavy-duty, single-pulley tensioner designed for vehicle accessory belt systems. As a self-adjusting unit, it maintains proper belt tension automatically, supporting reliable operation in demanding applications.
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 89458 self-adjusting belt tensioner used for?
The DAYCO 89458 self-adjusting belt tensioner maintains proper tension on accessory drive belts in heavy-duty vehicles. It automatically compensates for belt stretch and wear, reducing slippage and extending belt life in demanding applications like construction and trucking.
What are the specifications of the DAYCO 89458 belt tensioner?
The DAYCO 89458 is a heavy-duty, single-pulley self-adjusting belt tensioner. It carries the manufacturer part number 89458 and is rated for heavy-duty performance. Designed for vehicle accessory belt systems, it automatically maintains correct belt tension without manual adjustment.
Where to buy the DAYCO 89458 belt tensioner worldwide?
3G Electric supplies the DAYCO 89458 self-adjusting belt tensioner to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this heavy-duty tensioner.
How to install the DAYCO 89458 self-adjusting belt tensioner?
Install the DAYCO 89458 by first relieving belt tension, then removing the old tensioner. Align the new unit with the mounting holes, torque the bolts to manufacturer specifications, and route the belt over the pulley. The self-adjusting mechanism will automatically set proper tension.
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.









