DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89378, 1 Pulleys
The DAYCO Self-Adjusting Belt Tensioner (SKU 6XCR4, Manufacturer Part Number 89378) is a vehicle belt tensioner with 1 pulley and a 3 in outside diameter. 3G Electric interprets customer demand and delivers this…
SKU 3G-OTH-486396
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Product Description
The DAYCO Self-Adjusting Belt Tensioner (SKU 6XCR4, Manufacturer Part Number 89378) is a vehicle belt tensioner with 1 pulley and a 3 in outside diameter. 3G Electric interprets customer demand and delivers this genuine DAYCO component across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.
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 89378 belt tensioner used for?
The DAYCO 89378 self-adjusting belt tensioner maintains proper tension on engine accessory drive belts. It is used in automotive and light-truck applications to prevent belt slippage and reduce wear on pulleys and components. 3G Electric supplies this genuine DAYCO part worldwide.
What are the specifications of the DAYCO 89378 belt tensioner?
The DAYCO 89378 is a self-adjusting belt tensioner with 1 pulley and a 3 in outside diameter. It is designed for vehicle serpentine or V-belt systems. 3G Electric sources this genuine DAYCO component for global delivery across 14 industrial departments.
Where to buy the DAYCO 89378 belt tensioner worldwide?
3G Electric supplies the genuine DAYCO 89378 self-adjusting belt tensioner to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to order this part for your vehicle or industrial application.
How to install the DAYCO 89378 belt tensioner?
Install the DAYCO 89378 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. 3G Electric provides this genuine DAYCO part for global supply.
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.









