DAYCOVehicle Self-Adjusting Belt Tensioners

DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89451, Heavy Duty

The DAYCO Self-Adjusting Belt Tensioner (SKU 6XCT5, Manufacturer Part Number 89451) is a heavy-duty vehicle component with a single pulley. It is designed for automatic belt tensioning in demanding applications…

SKU 3G-OTH-486349

Brand

DAYCO

Item

Belt Tensioner: Self-Adjusting Belt Tensioner, 89451, Heavy Duty

Technical Specifications

DAYCO

Manufacturer Part Number

89451

Type

89451, Heavy Duty 

Pulleys

1

Performance Rating

Heavy Duty 

View Full Spec Sheet

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

DAYCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the DAYCO 89451 self-adjusting belt tensioner used for?

The DAYCO 89451 self-adjusting belt tensioner is a heavy-duty vehicle component with a single pulley. It automatically maintains proper belt tension in demanding automotive and industrial engine applications, reducing wear on belts and pulleys.

What are the specifications of the DAYCO 89451 belt tensioner?

The DAYCO 89451 is a heavy-duty self-adjusting belt tensioner with one pulley. Its performance rating is Heavy Duty, and the manufacturer part number is 89451. It is designed for reliable automatic tensioning in demanding environments.

Where to buy the DAYCO 89451 belt tensioner worldwide?

3G Electric supplies the DAYCO 89451 self-adjusting belt tensioner to customers worldwide. We handle full logistics and customs clearance, ensuring delivery to your location. Contact us to order this heavy-duty component for your application.

How to install the DAYCO 89451 self-adjusting belt tensioner?

Install the DAYCO 89451 tensioner by aligning it with the mounting bracket and tightening the bolts to the manufacturer's torque specification. Ensure the belt is properly routed over the single pulley. Always consult the vehicle service manual for specific procedures.

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.

Browse all DAYCO products →Contact our engineers →