DAYCOVehicle Self-Adjusting Belt Tensioners

DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89225, 1 Pulleys

The DAYCO Self-Adjusting Belt Tensioner, model 89225, is a vehicle belt tensioner with one pulley and a 3 1/2 in outside diameter. As an OEM-branded component, it is designed for self-adjusting operation in…

SKU 3G-OTH-486420

Brand

DAYCO

Item

Belt Tensioner: Self-Adjusting Belt Tensioner, 89225, 1 Pulleys

Technical Specifications

DAYCO

Manufacturer Part Number

89225

Type

89225

Pulleys

1

Outside Dia

3 1/2 in 

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Technical Documents

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DAYCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the DAYCO 89225 belt tensioner used for?

The DAYCO 89225 self-adjusting belt tensioner maintains proper tension in automotive serpentine or accessory belt drive systems. It automatically compensates for belt stretch and wear, preventing slippage and ensuring reliable operation of alternators, water pumps, and other engine-driven components.

What are the specifications of the DAYCO 89225 belt tensioner?

The DAYCO 89225 is a self-adjusting belt tensioner with one pulley and a 3 1/2 in outside diameter. It is an OEM-branded component designed for vehicle belt drive systems. The manufacturer part number is 89225, and it is built for automatic tension adjustment without manual intervention.

Where to buy the DAYCO 89225 belt tensioner worldwide?

3G Electric supplies the DAYCO 89225 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 source this OEM-branded component for your automotive maintenance needs.

How to install the DAYCO 89225 self-adjusting belt tensioner?

Installation of the DAYCO 89225 belt tensioner typically involves removing the old tensioner, aligning the new unit with the mounting bracket, and torquing the bolts to manufacturer specifications. Always consult the vehicle service manual for proper belt routing and tensioner positioning to ensure correct operation.

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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