DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89218, 1 Pulleys
The DAYCO Self-Adjusting Belt Tensioner (model 89218) is a vehicle belt tensioner with 1 pulley and a 3 in outside diameter. As an OEM-branded component, it is designed to maintain proper belt tension in automotive…
SKU 3G-OTH-486321
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Product Description
The DAYCO Self-Adjusting Belt Tensioner (model 89218) is a vehicle belt tensioner with 1 pulley and a 3 in outside diameter. As an OEM-branded component, it is designed to maintain proper belt tension in automotive accessory drive systems.
Frequently Asked Questions
What is the DAYCO 89218 belt tensioner used for?
The DAYCO 89218 self-adjusting belt tensioner maintains proper tension in automotive accessory drive systems. It uses a single pulley with a 3 in outside diameter to keep belts tight, reducing slippage and wear on components like alternators and water pumps.
What are the specifications of the DAYCO 89218 belt tensioner?
The DAYCO 89218 is a self-adjusting belt tensioner with 1 pulley and a 3 in outside diameter. Its manufacturer part number is 89218. It is designed as an OEM-branded component for vehicle accessory drive systems, ensuring reliable belt tension without manual adjustment.
Where to buy the DAYCO 89218 belt tensioner worldwide?
3G Electric supplies the DAYCO 89218 belt tensioner worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this OEM-branded component to your facility. Contact us for availability and lead time.
How to install the DAYCO 89218 self-adjusting belt tensioner?
Install the DAYCO 89218 by aligning the tensioner with the mounting bracket and tightening the bolt to manufacturer torque specs. Ensure the belt routes correctly over the 3 in pulley. Always consult the vehicle service manual for specific procedures and safety precautions.
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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.









