DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89211, 1 Pulleys
The DAYCO Self-Adjusting Belt Tensioner (SKU 6RMX3, Manufacturer Part Number 89211) is a vehicle belt tensioner with 1 pulley and an outside diameter of 3 1/2 inches. As an OEM-branded component, it is designed for…
SKU 3G-OTH-486302
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Product Description
The DAYCO Self-Adjusting Belt Tensioner (SKU 6RMX3, Manufacturer Part Number 89211) is a vehicle belt tensioner with 1 pulley and an outside diameter of 3 1/2 inches. As an OEM-branded component, it is designed for self-adjusting operation in automotive belt drive systems.
Frequently Asked Questions
What is the DAYCO 89211 belt tensioner used for?
The DAYCO 89211 self-adjusting belt tensioner maintains proper tension in automotive serpentine or accessory belt drive systems. It automatically compensates for belt stretch and wear, ensuring consistent drive performance and reducing noise. This OEM-branded component is a direct replacement for many vehicle applications.
What are the specifications of the DAYCO 89211 belt tensioner?
The DAYCO 89211 is a self-adjusting belt tensioner with 1 pulley and an outside diameter of 3 1/2 inches. It is manufactured by DAYCO under part number 89211. This single-pulley design is engineered for reliable automatic tension adjustment in automotive belt systems.
Where to buy the DAYCO 89211 belt tensioner worldwide?
3G Electric supplies the DAYCO 89211 self-adjusting belt tensioner to customers worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OEM-branded component.
How to install the DAYCO 89211 belt tensioner?
Installation of the DAYCO 89211 self-adjusting belt tensioner typically involves removing the old tensioner, aligning the new unit with the mounting bracket, and torquing the fasteners to manufacturer specifications. Always consult the vehicle service manual for exact procedures and safety precautions.
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.









