DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89424, Heavy Duty
The DAYCO Self-Adjusting Belt Tensioner (SKU 4HMR9, part number 89424) is a heavy-duty, single-pulley tensioner designed for vehicle belt systems. As a trusted industrial solutions provider, 3G Electric interprets…
SKU 3G-OTH-486450
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Product Description
The DAYCO Self-Adjusting Belt Tensioner (SKU 4HMR9, part number 89424) is a heavy-duty, single-pulley tensioner designed for vehicle belt systems. As a trusted industrial solutions provider, 3G Electric interprets customer demand and delivers this genuine DAYCO component across 14 industrial departments — with specialist depth in combustion, pumps and controls — ensuring you get the right part, not just a catalog listing.
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 89424 belt tensioner used for?
The DAYCO 89424 self-adjusting belt tensioner maintains proper tension in vehicle accessory belt drives, preventing slippage and wear. It is a heavy-duty, single-pulley unit suitable for demanding automotive and industrial engine applications where reliable belt performance is critical.
What are the specifications of the DAYCO 89424 belt tensioner?
The DAYCO 89424 is a heavy-duty self-adjusting belt tensioner with one pulley. Its manufacturer part number is 89424, and it carries the DAYCO brand. This single-pulley design is built for robust performance in vehicle belt systems requiring consistent tension under load.
Where to buy the DAYCO 89424 belt tensioner worldwide?
3G Electric supplies the genuine DAYCO 89424 belt tensioner to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this heavy-duty component to your location. Contact us to order this part for your vehicle or equipment.
How to install the DAYCO 89424 self-adjusting belt tensioner?
Installation typically involves removing the old tensioner, aligning the new DAYCO 89424 unit with the mounting bracket, and torquing the fastener to manufacturer specifications. Ensure the belt routing matches the original layout. For specific vehicle instructions, consult the service manual or a qualified technician.
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.









