Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

GATES Belt Tensioner: Self-Adjusting Belt Tensioner, 38509, Heavy Duty, 1 Pulleys - Vehicle Self-Adjusting Belt Tensioners
GATESVehicle Self-Adjusting Belt Tensioners

GATES Belt Tensioner: Self-Adjusting Belt Tensioner, 38509, Heavy Duty, 1 Pulleys

The GATES Belt Tensioner is a self-adjusting belt tensioner, model 38509, 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-486462

Brand
GATES
Item
Belt Tensioner: Self-Adjusting Belt Tensioner, 38509, Heavy Duty, 1 Pulleys
Category
Vehicle Self-Adjusting Belt Tensioners
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

GATES
Manufacturer Part Number
38509
Type
38509, Heavy Duty
Pulleys
1
Outside Dia
3 in
Pulley Material
Steel
Performance Rating
Heavy Duty

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

GATES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GATES Belt Tensioner is a self-adjusting belt tensioner, model 38509, designed for heavy-duty performance. It features a single steel pulley with a 3-inch outside diameter, ensuring reliable tensioning in vehicle applications.

Frequently Asked Questions

What is the GATES 38509 belt tensioner used for?

The GATES 38509 self-adjusting belt tensioner maintains proper tension on serpentine or accessory drive belts in heavy-duty vehicle applications. Its single steel pulley with a 3-inch outside diameter ensures reliable belt grip and reduces slippage, extending belt and component life.

What are the specifications of the GATES 38509 belt tensioner?

The GATES 38509 is a heavy-duty self-adjusting belt tensioner with one steel pulley measuring 3 inches outside diameter. It is designed for demanding vehicle environments and carries manufacturer part number 38509. The steel construction provides durability under high load conditions.

Where to buy the GATES 38509 belt tensioner worldwide?

3G Electric supplies the GATES 38509 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 heavy-duty tensioner.

How to install a GATES self-adjusting belt tensioner?

Installation typically involves releasing tension on the old belt, removing the mounting bolt, and fitting the new GATES tensioner in the same orientation. Always follow the vehicle manufacturer's torque specifications for the mounting bolt. After installation, rotate the engine manually to verify belt alignment and tension.

Used in

Common applications for GATES
Packaging machinery — GATES PowerGrip® HTD® belts for precise indexing and high-torque conveyor drives
CNC machining centers — GATES PowerGrip® trapezoidal belts (H section) for spindle and axis synchronization
Printing presses — GATES PowerGrip® GT®2 Twin Power® dual-sided belts for serpentine roller drives
Material handling systems — GATES PowerGrip® L section belts for light-duty conveyor and transfer applications
Compressor and pump drives — GATES PowerGrip® HTD® belts for high-load, low-slip power transmission
Automated assembly lines — GATES MXL section miniature belts for small-scale precision positioning

GATES 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from GATES

View all GATES parts
Self-adjusting belt tensioner for light-duty vehicle accessory drive systems. Features a single steel pulley and steel construction. Maintains proper belt tension to reduce slippage and wear
GATES
Self-adjusting belt tensioner for light-duty vehicle accessory drive systems. Features a single steel pulley and steel construction. Maintains proper belt tension to reduce slippage and wear
Self-adjusting belt tensioner for maintaining proper tension on serpentine or accessory drive belts in light-duty vehicle applications. Features a single thermoplastic pulley to reduce noise and wear. Suitable for automotive and small-engine accessory drive systems
GATES
Self-adjusting belt tensioner for maintaining proper tension on serpentine or accessory drive belts in light-duty vehicle applications. Features a single thermoplastic pulley to reduce noise and wear. Suitable for automotive and small-engine accessory drive systems
Self-adjusting belt tensioner with a single steel pulley, 3 in outside diameter. Rated for heavy-duty performance. Automatically maintains proper tension on engine accessory drive belts, reducing slippage and extending belt life
GATES
Self-adjusting belt tensioner with a single steel pulley, 3 in outside diameter. Rated for heavy-duty performance. Automatically maintains proper tension on engine accessory drive belts, reducing slippage and extending belt life
Self-adjusting belt tensioner for light-duty vehicle accessory drive systems. Features a single thermoplastic pulley that automatically compensates for belt stretch to maintain proper tension. Suitable for serpentine or accessory drive belts in automotive maintenance and repair
GATES
Self-adjusting belt tensioner for light-duty vehicle accessory drive systems. Features a single thermoplastic pulley that automatically compensates for belt stretch to maintain proper tension. Suitable for serpentine or accessory drive belts in automotive maintenance and repair
Self-adjusting belt tensioner for maintaining proper tension on engine accessory drive belts in light-duty vehicles. Features one thermoplastic pulley with 3 in outside diameter to reduce belt slip and noise. Light-duty performance rating
GATES
Self-adjusting belt tensioner for maintaining proper tension on engine accessory drive belts in light-duty vehicles. Features one thermoplastic pulley with 3 in outside diameter to reduce belt slip and noise. Light-duty performance rating
Self-adjusting belt tensioner for light-duty vehicle accessory drive systems. Constructed with a steel body and single steel pulley. Maintains proper belt tension to reduce slippage and wear
GATES
Self-adjusting belt tensioner for light-duty vehicle accessory drive systems. Constructed with a steel body and single steel pulley. Maintains proper belt tension to reduce slippage and wear
Self-adjusting belt tensioner with a single thermoplastic pulley. Designed for light-duty vehicle belt drive systems to maintain proper tension on serpentine or accessory belts. Suitable for applications requiring consistent tension for components such as alternators and water pumps
GATES
Self-adjusting belt tensioner with a single thermoplastic pulley. Designed for light-duty vehicle belt drive systems to maintain proper tension on serpentine or accessory belts. Suitable for applications requiring consistent tension for components such as alternators and water pumps
The GATES 38667 is a heavy-duty self-adjusting belt tensioner featuring three steel pulleys, each with a 3-inch outside diameter. It automatically maintains proper tension on accessory drive belts, compensating for belt stretch and wear. Suitable for demanding vehicle applications, it supports reliable operation of belt-driven components such as alternators and water pumps
GATES
The GATES 38667 is a heavy-duty self-adjusting belt tensioner featuring three steel pulleys, each with a 3-inch outside diameter. It automatically maintains proper tension on accessory drive belts, compensating for belt stretch and wear. Suitable for demanding vehicle applications, it supports reliable operation of belt-driven components such as alternators and water pumps