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DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89450, Heavy Duty - Vehicle Self-Adjusting Belt Tensioners
DAYCOVehicle Self-Adjusting Belt Tensioners

DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89450, Heavy Duty

The DAYCO 89450 Self-Adjusting Belt Tensioner is a heavy-duty, single-pulley tensioner designed for vehicle applications. As a self-adjusting unit, it maintains proper belt tension automatically, supporting reliable…

SKU 3G-OTH-486370

Brand
DAYCO
Item
Belt Tensioner: Self-Adjusting Belt Tensioner, 89450, Heavy Duty
Category
Vehicle Self-Adjusting Belt Tensioners
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Technical Specifications

DAYCO
Manufacturer Part Number
89450
Type
89450, Heavy Duty
Pulleys
1
Performance Rating
Heavy Duty
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DAYCO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYCO 89450 Self-Adjusting Belt Tensioner is a heavy-duty, single-pulley tensioner designed for vehicle applications. As a self-adjusting unit, it maintains proper belt tension automatically, supporting reliable accessory drive operation.

Frequently Asked Questions

What is the DAYCO 89450 self-adjusting belt tensioner used for?

The DAYCO 89450 self-adjusting belt tensioner maintains proper tension on accessory drive belts in heavy-duty vehicle applications. It automatically compensates for belt stretch and wear, ensuring reliable operation of alternators, water pumps, and other belt-driven components without manual adjustment.

What are the specifications of the DAYCO 89450 belt tensioner?

The DAYCO 89450 is a heavy-duty, self-adjusting belt tensioner with a single pulley. It is rated for heavy-duty performance and carries the manufacturer part number 89450. This unit automatically maintains correct belt tension to support reliable accessory drive operation in demanding vehicle environments.

Where to buy the DAYCO 89450 belt tensioner worldwide?

3G Electric supplies the DAYCO 89450 self-adjusting belt tensioner to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this heavy-duty tensioner for your vehicle application.

How to install the DAYCO 89450 self-adjusting belt tensioner?

Install the DAYCO 89450 by first relieving tension on the old belt, then removing the mounting bolt and old tensioner. Align the new tensioner with the bracket, torque the bolt to manufacturer specifications, and route the new belt over all pulleys. The self-adjusting mechanism automatically sets proper tension after installation.

Used in

Common applications for DAYCO
Automotive service centers — DAYCO metal exhaust hoses (SKU 4GKA4, 4GKA5) for flexible exhaust extraction from vehicle tailpipes during repair.
Marine engine rooms — DAYCO 304 stainless steel exhaust hoses (SKU 4GKA8, 4GKA7) for venting diesel generator exhaust in confined spaces.
Fuel system maintenance — DAYCO SAE J30R7 fuel hoses (SKU 4GJW1) for replacement of low-pressure fuel lines in industrial engines.
High-temperature fuel injection — DAYCO FKM fuel injection hose (SKU 4GJW6) for return lines on common-rail diesel systems operating above 250°F.
Industrial ventilation — DAYCO metal exhaust kits (SKU 4GKC1) for connecting fume hoods to exhaust ducts in welding or chemical processing areas.
Biofuel handling — DAYCO SAE J1527 fuel hoses (SKU 4GJW3) for transfer of biodiesel blends in agricultural equipment refueling stations.

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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