Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

DAYCO Idler Pulley: Idler Pulley, 89109, Serpentine, Flat, Flangeless Flange - Flat Idler Pulleys for Vehicles
DAYCOFlat Idler Pulleys for Vehicles

DAYCO Idler Pulley: Idler Pulley, 89109, Serpentine, Flat, Flangeless Flange

The DAYCO Idler Pulley (part number 89109) is a heavy-duty, steel flat idler pulley for serpentine belt systems, featuring a flangeless flange design. This component is engineered for reliable belt tensioning in…

SKU 3G-OTH-494012

Brand
DAYCO
Item
Idler Pulley: Idler Pulley, 89109, Serpentine, Flat, Flangeless Flange
Category
Flat Idler Pulleys for Vehicles
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

DAYCO
Manufacturer Part Number
89109
Type
89109, Serpentine, Flat, Flangeless Flange, Heavy Duty, Steel
Pulley Material
Steel
Performance Rating
Heavy Duty
View Full Spec Sheet

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 Idler Pulley (part number 89109) is a heavy-duty, steel flat idler pulley for serpentine belt systems, featuring a flangeless flange design. This component is engineered for reliable belt tensioning in demanding vehicle applications.

Frequently Asked Questions

What is the DAYCO 89109 idler pulley used for?

The DAYCO 89109 idler pulley is used in serpentine belt systems on heavy-duty vehicles to maintain proper belt tension and reduce vibration. Its steel construction and flangeless flange design make it suitable for demanding engine applications where reliable belt routing is critical.

What are the specifications of the DAYCO 89109 idler pulley?

The DAYCO 89109 is a heavy-duty, steel flat idler pulley with a flangeless flange design. It is part number 89109, designed for serpentine belt systems. The steel material provides durability in high-load environments, and the flangeless flange allows for specific belt alignment requirements.

Where to buy the DAYCO 89109 idler pulley worldwide?

3G Electric supplies the DAYCO 89109 idler pulley worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this heavy-duty steel pulley for serpentine belt systems.

How to install the DAYCO 89109 idler pulley?

Install the DAYCO 89109 idler pulley by first relieving tension on the serpentine belt. Remove the old pulley, then mount the new steel pulley with the flangeless flange facing the correct belt path. Torque the center bolt to manufacturer specifications and re-tension the belt per vehicle guidelines.

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 flat idler pulleys for vehicles. 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
DAYCO Idler Pulley: Idler Pulley, 89048, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89048.
DAYCO
DAYCO Idler Pulley: Idler Pulley, 89048, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89048.
DAYCO Idler Pulley: Idler Pulley, 89135, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89135.
DAYCO
DAYCO Idler Pulley: Idler Pulley, 89135, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89135.
DAYCO Idler Pulley: Idler Pulley, 89104, Serpentine, Flat, Flangeless Flange, Heavy Duty, Polymer. Key specifications — Pulley Material: Polymer; Brand: DAYCO; Performance Rating: Heavy Duty; Manufacturer Part Number: 89104.
DAYCO
DAYCO Idler Pulley: Idler Pulley, 89104, Serpentine, Flat, Flangeless Flange, Heavy Duty, Polymer. Key specifications — Pulley Material: Polymer; Brand: DAYCO; Performance Rating: Heavy Duty; Manufacturer Part Number: 89104.
DAYCO Idler Pulley: Idler Pulley, 89005, Serpentine, Flat, Flangeless Flange, Light Duty, Polymer. Key specifications — Pulley Material: Polymer; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89005.
DAYCO
DAYCO Idler Pulley: Idler Pulley, 89005, Serpentine, Flat, Flangeless Flange, Light Duty, Polymer. Key specifications — Pulley Material: Polymer; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89005.
DAYCO Idler Pulley: Idler Pulley, 89037, Serpentine, Flat, Flangeless Flange, Light Duty, Polymer. Key specifications — Pulley Material: Polymer; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89037.
DAYCO
DAYCO Idler Pulley: Idler Pulley, 89037, Serpentine, Flat, Flangeless Flange, Light Duty, Polymer. Key specifications — Pulley Material: Polymer; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89037.
DAYCO Idler Pulley: Idler Pulley, 89148, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89148.
DAYCO
DAYCO Idler Pulley: Idler Pulley, 89148, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89148.
DAYCO Idler Pulley: Idler Pulley, 89006, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89006.
DAYCO
DAYCO Idler Pulley: Idler Pulley, 89006, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89006.
DAYCO Idler Pulley: Idler Pulley, 89016, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89016.
DAYCO
DAYCO Idler Pulley: Idler Pulley, 89016, Serpentine, Flat, Flangeless Flange, Light Duty, Steel. Key specifications — Pulley Material: Steel; Brand: DAYCO; Performance Rating: Light Duty; Manufacturer Part Number: 89016.