GATES 39120 Light Duty Self-Adjusting Belt Tensioner
The GATES 39120 Self-Adjusting Belt Tensioner is a light-duty vehicle component with two thermoplastic pulleys, each with a 3-inch outside diameter. Designed for automatic belt tensioning, it is a direct replacement…
SKU 3G-OTH-486284
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Product Description
The GATES 39120 Self-Adjusting Belt Tensioner is a light-duty vehicle component with two thermoplastic pulleys, each with a 3-inch outside diameter. Designed for automatic belt tensioning, it is a direct replacement part from the OEM manufacturer.
Frequently Asked Questions
What is the GATES 39120 belt tensioner used for?
The GATES 39120 self-adjusting belt tensioner automatically maintains proper tension on engine accessory belts in light-duty vehicles. It uses two thermoplastic pulleys with a 3-inch outside diameter to reduce belt wear and noise, ensuring reliable operation of alternators, water pumps, and other belt-driven components.
What are the specifications of the GATES 39120 belt tensioner?
The GATES 39120 is a light-duty self-adjusting belt tensioner with two thermoplastic pulleys, each 3 inches in outside diameter. It is designed as a direct OEM replacement part from GATES, with manufacturer part number 39120. The thermoplastic pulley material provides durability and corrosion resistance in automotive environments.
Where to buy the GATES 39120 belt tensioner worldwide?
3G Electric supplies the GATES 39120 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 pricing and lead time on this OEM replacement part.
How to install the GATES 39120 belt tensioner?
Install the GATES 39120 tensioner by first relieving belt tension using a breaker bar on the tensioner pulley bolt. Remove the old tensioner, align the new unit with mounting holes, and torque bolts to manufacturer specifications. Always replace the belt simultaneously and verify proper pulley alignment after installation.
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Common applications for GATESGATES Products
3G Electric supplies GATES vehicle self-adjusting belt tensioners. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
