We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89218, 1 Pulleys - Vehicle Self-Adjusting Belt Tensioners
DAYCOVehicle Self-Adjusting Belt Tensioners

DAYCO Belt Tensioner: Self-Adjusting Belt Tensioner, 89218, 1 Pulleys

The DAYCO Self-Adjusting Belt Tensioner (model 89218) is a vehicle belt tensioner with 1 pulley and a 3 in outside diameter. As an OEM-branded component, it is designed to maintain proper belt tension in automotive…

SKU 3G-OTH-486321

Brand
DAYCO
Item
Belt Tensioner: Self-Adjusting Belt Tensioner, 89218, 1 Pulleys
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

DAYCO
Manufacturer Part Number
89218
Type
89218
Pulleys
1
Outside Dia
3 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 89218) is a vehicle belt tensioner with 1 pulley and a 3 in outside diameter. As an OEM-branded component, it is designed to maintain proper belt tension in automotive accessory drive systems.

Frequently Asked Questions

What is the DAYCO 89218 belt tensioner used for?

The DAYCO 89218 self-adjusting belt tensioner maintains proper tension in automotive accessory drive systems. It uses a single pulley with a 3 in outside diameter to keep belts tight, reducing slippage and wear on components like alternators and water pumps.

What are the specifications of the DAYCO 89218 belt tensioner?

The DAYCO 89218 is a self-adjusting belt tensioner with 1 pulley and a 3 in outside diameter. Its manufacturer part number is 89218. It is designed as an OEM-branded component for vehicle accessory drive systems, ensuring reliable belt tension without manual adjustment.

Where to buy the DAYCO 89218 belt tensioner worldwide?

3G Electric supplies the DAYCO 89218 belt tensioner worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this OEM-branded component to your facility. Contact us for availability and lead time.

How to install the DAYCO 89218 self-adjusting belt tensioner?

Install the DAYCO 89218 by aligning the tensioner with the mounting bracket and tightening the bolt to manufacturer torque specs. Ensure the belt routes correctly over the 3 in pulley. Always consult the vehicle service manual for specific procedures and safety precautions.

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 89474 is a heavy-duty self-adjusting belt tensioner with one pulley. It maintains proper tension on engine accessory drive belts, preventing slippage and extending belt life. Suitable for use in heavy-duty vehicle engine accessory drive systems
DAYCO
The DAYCO 89474 is a heavy-duty self-adjusting belt tensioner with one pulley. It maintains proper tension on engine accessory drive belts, preventing slippage and extending belt life. Suitable for use in heavy-duty vehicle engine accessory drive systems
The DAYCO 89419 is a heavy-duty self-adjusting belt tensioner with a single pulley. It is designed to maintain proper tension in vehicle accessory belt systems, reducing belt wear and ensuring reliable drive belt performance in demanding applications
DAYCO
The DAYCO 89419 is a heavy-duty self-adjusting belt tensioner with a single pulley. It is designed to maintain proper tension in vehicle accessory belt systems, reducing belt wear and ensuring reliable drive belt performance in demanding applications
Self-adjusting belt tensioner with one pulley, 3 in outside diameter. Maintains proper tension in automotive serpentine or accessory belt drive systems, automatically compensating for belt stretch and wear
DAYCO
Self-adjusting belt tensioner with one pulley, 3 in outside diameter. Maintains proper tension in automotive serpentine or accessory belt drive systems, automatically compensating for belt stretch and wear
The DAYCO 89228 self-adjusting belt tensioner maintains proper tension in automotive accessory drive systems. It features a single pulley with a 3-1/2 in outside diameter. This tensioner is used to prevent belt slippage and wear on engine-driven components such as alternators and water pumps
DAYCO
The DAYCO 89228 self-adjusting belt tensioner maintains proper tension in automotive accessory drive systems. It features a single pulley with a 3-1/2 in outside diameter. This tensioner is used to prevent belt slippage and wear on engine-driven components such as alternators and water pumps
Self-adjusting belt tensioner with 1 pulley, 2 3/4 in outside diameter. Automatically maintains proper tension on engine accessory drive belts to prevent slippage and reduce wear. Suitable for automotive and light-truck applications
DAYCO
Self-adjusting belt tensioner with 1 pulley, 2 3/4 in outside diameter. Automatically maintains proper tension on engine accessory drive belts to prevent slippage and reduce wear. Suitable for automotive and light-truck applications
Self-adjusting belt tensioner for vehicle accessory drive systems. Maintains proper belt tension automatically to reduce slippage and wear. Single pulley design with 2 3/4 in outside diameter
DAYCO
Self-adjusting belt tensioner for vehicle accessory drive systems. Maintains proper belt tension automatically to reduce slippage and wear. Single pulley design with 2 3/4 in outside diameter
Self-adjusting belt tensioner with one pulley, 2 3/4 in outside diameter. Maintains proper tension on serpentine or accessory drive belts, automatically compensating for belt stretch and wear
DAYCO
Self-adjusting belt tensioner with one pulley, 2 3/4 in outside diameter. Maintains proper tension on serpentine or accessory drive belts, automatically compensating for belt stretch and wear
Self-adjusting belt tensioner with one pulley, 2 1/2 in outside diameter. Automatically maintains proper tension on engine accessory belts to prevent slippage and wear. Suitable for automotive and light-truck accessory belt systems
DAYCO
Self-adjusting belt tensioner with one pulley, 2 1/2 in outside diameter. Automatically maintains proper tension on engine accessory belts to prevent slippage and wear. Suitable for automotive and light-truck accessory belt systems