We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

DAYCO 89379 Self-Adjusting Belt Tensioner - Vehicle Self-Adjusting Belt Tensioners
DAYCOVehicle Self-Adjusting Belt Tensioners

DAYCO 89379 Self-Adjusting Belt Tensioner

The DAYCO Self-Adjusting Belt Tensioner, model 89379, is a single-pulley tensioner with a 4-inch outside diameter. As an OEM-spec replacement part, it is designed to maintain proper belt tension in vehicle accessory…

SKU 3G-OTH-486463

Brand
DAYCO
Item
89379 Self-Adjusting Belt Tensioner
Category
Vehicle Self-Adjusting Belt Tensioners
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

DAYCO
Manufacturer Part Number
89379
Type
89379
Pulleys
1
Outside Dia
4 in

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

The DAYCO Self-Adjusting Belt Tensioner, model 89379, is a single-pulley tensioner with a 4-inch outside diameter. As an OEM-spec replacement part, it is designed to maintain proper belt tension in vehicle accessory drive systems. 3G Electric interprets customer demand and delivers this genuine DAYCO component across 14 industrial departments — and we supply far more than is listed — with specialist depth in combustion, pumps and controls as a trust anchor.

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 89379 belt tensioner used for?

The DAYCO 89379 self-adjusting belt tensioner maintains proper tension in vehicle accessory drive systems. It is an OEM-spec replacement part with a single pulley and 4-inch outside diameter, ensuring reliable operation of alternators, water pumps, and other belt-driven components.

What are the specifications of the DAYCO 89379 belt tensioner?

The DAYCO 89379 is a self-adjusting belt tensioner with 1 pulley and a 4-inch outside diameter. Its manufacturer part number is 89379. This single-pulley design meets OEM specifications for consistent belt tension in automotive accessory drive systems.

Where to buy the DAYCO 89379 belt tensioner worldwide?

3G Electric supplies the DAYCO 89379 self-adjusting belt tensioner worldwide. We handle full logistics and customs clearance to deliver this genuine DAYCO component to your location. Contact us to order this OEM-spec replacement part for your vehicle's accessory drive system.

How to install the DAYCO 89379 belt tensioner?

Install the DAYCO 89379 by first relieving belt tension using a breaker bar on the tensioner arm. Remove the old tensioner, then align the new unit's mounting holes and torque bolts to manufacturer specifications. Rotate the tensioner arm to install the belt, then release tension to engage the pulley.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from DAYCO

View all DAYCO parts
The DAYCO 89446 is a heavy-duty self-adjusting belt tensioner with a single pulley. It maintains proper tension on engine accessory belts in vehicle applications, reducing belt slip and extending component life
DAYCO
The DAYCO 89446 is a heavy-duty self-adjusting belt tensioner with a single pulley. It maintains proper tension on engine accessory belts in vehicle applications, reducing belt slip and extending component life
The DAYCO 89269 is a self-adjusting belt tensioner with one pulley and an outside diameter of 2 3/4 inches. It automatically maintains proper tension on engine accessory drive belts, reducing slippage and extending belt life. Suitable for automotive and light-truck applications
DAYCO
The DAYCO 89269 is a self-adjusting belt tensioner with one pulley and an outside diameter of 2 3/4 inches. It automatically maintains proper tension on engine accessory drive belts, reducing slippage and extending belt life. Suitable for automotive and light-truck applications
Self-adjusting belt tensioner with 1 pulley, 3 in outside diameter. Maintains proper tension on serpentine or accessory drive belts in automotive engines
DAYCO
Self-adjusting belt tensioner with 1 pulley, 3 in outside diameter. Maintains proper tension on serpentine or accessory drive belts in automotive engines
Self-adjusting belt tensioner for vehicle accessory drive systems. Features a single pulley with a 3-inch outside diameter. Maintains proper belt tension to reduce slippage and noise
DAYCO
Self-adjusting belt tensioner for vehicle accessory drive systems. Features a single pulley with a 3-inch outside diameter. Maintains proper belt tension to reduce slippage and noise
Self-adjusting belt tensioner with 1 pulley, outside diameter 3 3/8 in. Maintains proper tension in automotive serpentine or accessory belt drive systems, compensating for belt stretch and wear
DAYCO
Self-adjusting belt tensioner with 1 pulley, outside diameter 3 3/8 in. Maintains proper tension in automotive serpentine or accessory belt drive systems, compensating for belt stretch and wear
The DAYCO 89231 self-adjusting belt tensioner maintains proper tension on engine accessory drive belts. It features one pulley with an outside diameter of 2 3/4 inches. This tensioner is used in automotive and light-truck applications to prevent belt slippage and reduce wear on pulleys and components
DAYCO
The DAYCO 89231 self-adjusting belt tensioner maintains proper tension on engine accessory drive belts. It features one pulley with an outside diameter of 2 3/4 inches. This tensioner is used in automotive and light-truck applications to prevent belt slippage and reduce wear on pulleys and components
Self-adjusting belt tensioner for automotive accessory drive systems. Features 2 pulleys with a 3 1/8 in outside diameter. Maintains proper belt tension to reduce slip and noise
DAYCO
Self-adjusting belt tensioner for automotive accessory drive systems. Features 2 pulleys with a 3 1/8 in outside diameter. Maintains proper belt tension to reduce slip and noise
Self-adjusting belt tensioner with one pulley, 3 1/2 in outside diameter. Automatically maintains proper tension on engine accessory drive belts to reduce slippage and noise
DAYCO
Self-adjusting belt tensioner with one pulley, 3 1/2 in outside diameter. Automatically maintains proper tension on engine accessory drive belts to reduce slippage and noise