Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
DAYCO 89390 Self-Adjusting Belt Tensioner, 2 Pulleys, 3 1/8 in Outside Dia - Vehicle Self-Adjusting Belt Tensioners
DAYCOVehicle Self-Adjusting Belt Tensioners

DAYCO 89390 Self-Adjusting Belt Tensioner, 2 Pulleys, 3 1/8 in Outside Dia

<p>The DAYCO 89390 is a self-adjusting belt tensioner designed for automotive applications, featuring two pulleys and an outside diameter of 3 1/8 inches. This component ensures proper belt tension for reliable…

SKU 3G-OTH-486294

Brand
DAYCO
Item
89390 Self-Adjusting Belt Tensioner, 2 Pulleys, 3 1/8 in Outside Dia
Part Number
89390
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

DAYCO
Manufacturer Part Number
89390
Type
89390
Pulleys
2
Outside Dia
3 1/8 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

<p>The DAYCO 89390 is a self-adjusting belt tensioner designed for automotive applications, featuring two pulleys and an outside diameter of 3 1/8 inches. This component ensures proper belt tension for reliable engine performance.</p><p>Ideal for workshops and fleet maintenance, this tensioner is available through 3G Electric, a Singapore-based supplier with worldwide shipping. Request an SGD quote, enjoy GST handling for Singapore buyers, and benefit from fast delivery across Singapore and Southeast Asia.</p>

Frequently Asked Questions

What are the key specifications of the DAYCO 89390 belt tensioner?

The DAYCO 89390 is a self-adjusting belt tensioner with 2 pulleys and an outside diameter of 3 1/8 inches. The manufacturer part number is 89390.

How can I order this tensioner from 3G Electric in Singapore?

You can request a quote in SGD from 3G Electric. For Singapore buyers, GST is handled. We offer fast delivery within Singapore and Southeast Asia, and worldwide shipping is available.

Used in

Common applications for DAYCO
Automotive repair — Dayco 11A Series cogged V-belts for engine accessory drives
Industrial machinery — Dayco HP Series metric V-belts for power transmission in pumps and compressors
Heavy-duty drives — Dayco XTX Series cogged V-belts for high-load serpentine systems
Engine timing — Dayco 95164 timing belt for camshaft and crankshaft synchronization
Fuel systems — Dayco fuel hoses (SAE J30R7 or J1527) for low-pressure fuel delivery
Marine applications — Dayco fuel hose MPN 80061 or 80064 meeting SAE J1527 for marine fuel systems
Not sure this is the right part? Photo-identify it→

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 89251 is a self-adjusting belt tensioner with one pulley and a 3 1/2 in outside diameter. It is used in automotive accessory drive systems to maintain proper belt tension for components such as alternators and water pumps
DAYCO
The DAYCO 89251 is a self-adjusting belt tensioner with one pulley and a 3 1/2 in outside diameter. It is used in automotive accessory drive systems to maintain proper belt tension for components such as alternators and water pumps
Self-adjusting belt tensioner for vehicle accessory drive systems. Features a single pulley with a 3-inch outside diameter. Automatically 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. Automatically maintains proper belt tension to reduce slippage and noise

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first