GATES Belt Tensioner: Self-Adjusting Belt Tensioner, 38503, Heavy Duty, 1 Pulleys
The GATES Belt Tensioner is a self-adjusting belt tensioner, model 38503, designed for heavy-duty performance. It features a single steel pulley with a 3-inch outside diameter, ensuring reliable tensioning in vehicle…
SKU 3G-OTH-486285
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Product Description
The GATES Belt Tensioner is a self-adjusting belt tensioner, model 38503, designed for heavy-duty performance. It features a single steel pulley with a 3-inch outside diameter, ensuring reliable tensioning in vehicle accessory drive systems.
Frequently Asked Questions
What is the GATES 38503 belt tensioner used for?
The GATES 38503 self-adjusting belt tensioner maintains proper tension in vehicle accessory drive systems, such as alternator, water pump, and air conditioning compressor belts. Its heavy-duty steel pulley and 3-inch outside diameter deliver reliable performance in demanding automotive and light-truck applications.
What are the specifications of the GATES 38503 belt tensioner?
The GATES 38503 is a heavy-duty self-adjusting belt tensioner with a single steel pulley. The pulley outside diameter is 3 inches. It is designed for reliable tensioning in vehicle accessory drive systems. The manufacturer part number is 38503, and the brand is GATES.
Where to buy the GATES 38503 belt tensioner worldwide?
3G Electric supplies the GATES 38503 belt tensioner to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial solutions provider, we source and deliver genuine GATES parts for vehicle maintenance and repair needs.
How to install the GATES 38503 self-adjusting belt tensioner?
Installation of the GATES 38503 tensioner typically involves removing the old tensioner, aligning the new unit with the mounting bracket, and tightening the bolts to the manufacturer's torque specification. Always consult the vehicle service manual for specific procedures and safety precautions before beginning work.
Used in
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.









