DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89457, Heavy Duty
The DAYCO 89457 Self-Adjusting Belt Tensioner is a heavy-duty, single-pulley tensioner designed for vehicle applications. As an authorized distributor, 3G Electric sources this genuine DAYCO component across 14…
SKU 3G-OTH-486405
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Product Description
The DAYCO 89457 Self-Adjusting Belt Tensioner is a heavy-duty, single-pulley tensioner designed for vehicle applications. As an authorized distributor, 3G Electric sources this genuine DAYCO component across 14 industrial departments, with specialist expertise in combustion, pumps, and controls ensuring accurate sourcing and support.
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 89457 self-adjusting belt tensioner used for?
The DAYCO 89457 self-adjusting belt tensioner maintains proper tension on engine accessory drive belts in heavy-duty vehicle applications. It uses a single pulley to automatically compensate for belt stretch and wear, reducing slippage and extending belt life.
What are the specifications of the DAYCO 89457 belt tensioner?
The DAYCO 89457 is a heavy-duty self-adjusting belt tensioner with one pulley. Its manufacturer part number is 89457, and it carries a heavy-duty performance rating. This genuine DAYCO component is designed for reliable operation in demanding vehicle environments.
Where to buy the DAYCO 89457 belt tensioner worldwide?
3G Electric supplies the genuine DAYCO 89457 self-adjusting belt tensioner to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct heavy-duty component for your application. Contact us for availability and lead time.
How to install the DAYCO 89457 self-adjusting belt tensioner?
Installation of the DAYCO 89457 tensioner typically involves removing the old unit, aligning the new tensioner with the mounting bracket, and torquing the bolts to manufacturer specifications. Always consult the vehicle service manual for proper belt routing and tensioning 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.









