DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89342, 1 Pulleys
The DAYCO 89342 is a self-adjusting belt tensioner with one pulley and a 2 1/2 in outside diameter. As a vehicle belt tensioner from DAYCO, it is designed to maintain proper belt tension automatically.
SKU 3G-OTH-486313
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Product Description
The DAYCO 89342 is a self-adjusting belt tensioner with one pulley and a 2 1/2 in outside diameter. As a vehicle belt tensioner from DAYCO, it is designed to maintain proper belt tension automatically.
Frequently Asked Questions
What is the DAYCO 89342 belt tensioner used for?
The DAYCO 89342 self-adjusting belt tensioner automatically maintains proper tension on engine accessory belts, preventing slippage and wear. It is commonly used in automotive and light-truck applications to drive alternators, water pumps, and power-steering pumps.
What are the specifications of the DAYCO 89342 belt tensioner?
The DAYCO 89342 is a self-adjusting belt tensioner with one pulley and a 2 1/2 in outside diameter. It is manufactured by DAYCO under part number 89342. This unit is designed for vehicle accessory belt systems requiring automatic tension adjustment.
Where to buy the DAYCO 89342 belt tensioner worldwide?
3G Electric supplies the DAYCO 89342 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 DAYCO part.
How to install the DAYCO 89342 self-adjusting belt tensioner?
Installation typically involves removing the old tensioner, aligning the new DAYCO 89342 unit with the mounting bracket, and torquing the fasteners to manufacturer specifications. Always consult the vehicle service manual for proper belt routing and tensioner orientation before installation.
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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.









