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DAYCO 89440 Heavy Duty Self-Adjusting Belt Tensioner - Vehicle Self-Adjusting Belt Tensioners
DAYCOVehicle Self-Adjusting Belt Tensioners

DAYCO 89440 Heavy Duty Self-Adjusting Belt Tensioner

The DAYCO 89440 Self-Adjusting Belt Tensioner is a heavy-duty, single-pulley tensioner designed for vehicle applications. As a DAYCO-branded component, it delivers the specified heavy-duty performance rating for…

SKU 3G-OTH-486446

Brand
DAYCO
Item
89440 Heavy Duty Self-Adjusting Belt Tensioner
Part Number
89440
Category
Vehicle Self-Adjusting Belt Tensioners
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Technical Specifications

DAYCO
Manufacturer Part Number
89440
Type
89440, Heavy Duty
Pulleys
1
Performance Rating
Heavy Duty

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

Product Description

The DAYCO 89440 Self-Adjusting Belt Tensioner is a heavy-duty, single-pulley tensioner designed for vehicle applications. As a DAYCO-branded component, it delivers the specified heavy-duty performance rating for reliable belt tensioning.

Frequently Asked Questions

What is the DAYCO 89440 self-adjusting belt tensioner used for?

The DAYCO 89440 self-adjusting belt tensioner maintains proper tension on engine accessory drive belts in heavy-duty vehicle applications. It uses a single pulley to automatically compensate for belt stretch and wear, reducing slippage and extending belt life.

What are the specifications of the DAYCO 89440 belt tensioner?

The DAYCO 89440 is a heavy-duty, self-adjusting belt tensioner with one pulley. Its manufacturer part number is 89440. It is designed for reliable belt tensioning in demanding vehicle environments, ensuring consistent performance under load.

Where to buy the DAYCO 89440 belt tensioner worldwide?

3G Electric supplies the DAYCO 89440 self-adjusting belt tensioner to customers worldwide. 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 the DAYCO 89440 self-adjusting belt tensioner?

Installation typically involves removing the old tensioner, aligning the new DAYCO 89440 unit with the mounting bracket, and torquing the fasteners to manufacturer specifications. Always consult the vehicle service manual for exact procedures and belt routing diagrams.

Used in

Common applications for DAYCO
Automotive repair — Dayco 11A Series cogged V-belts for engine accessory drives
Industrial machinery — Dayco HP Series metric V-belts for power transmission in pumps and compressors
Heavy-duty drives — Dayco XTX Series cogged V-belts for high-load serpentine systems
Engine timing — Dayco 95164 timing belt for camshaft and crankshaft synchronization
Fuel systems — Dayco fuel hoses (SAE J30R7 or J1527) for low-pressure fuel delivery
Marine applications — Dayco fuel hose MPN 80061 or 80064 meeting SAE J1527 for marine fuel systems
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DAYCO 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.

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