DAYCOVehicle Self-Adjusting Belt Tensioners

DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89259, 1 Pulleys

SKU 3G-OTH-486310

Brand

DAYCO

Item

Belt Tensioner: Self-Adjusting Belt Tensioner, 89259, 1 Pulleys

Technical Specifications

DAYCO

Manufacturer Part Number

89259

Type

89259

Pulleys

1

Outside Dia

3 in 

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Technical Documents

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DAYCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DAYCO Self-Adjusting Belt Tensioner (model 89259) is a vehicle tensioner with 1 pulley and a 3 in outside diameter. 3G Electric interprets your demand for this OEM part, sources it, and provides a quote with dedicated support across 14 industrial departments, with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the DAYCO 89259 belt tensioner used for?

The DAYCO 89259 self-adjusting belt tensioner maintains proper tension on engine accessory drive belts. It is used in automotive and light-truck applications to prevent belt slippage and reduce noise, extending belt and pulley life.

What are the specifications of the DAYCO 89259 belt tensioner?

The DAYCO 89259 is a self-adjusting belt tensioner with 1 pulley and a 3 in outside diameter. It is a direct OEM replacement part designed for reliable belt tension control in vehicle accessory drive systems.

Where to buy the DAYCO 89259 belt tensioner worldwide?

3G Electric supplies the DAYCO 89259 belt tensioner worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and dedicated support across 14 industrial departments, including specialist expertise in combustion, pumps, and controls.

How to install the DAYCO 89259 self-adjusting belt tensioner?

Installation typically involves releasing tension on the old tensioner, removing the belt, unbolting the old unit, and mounting the new DAYCO 89259. Always follow the vehicle manufacturer’s service manual and use proper tools to avoid damage.

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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