DAYCORibbed V-Belt Idler Pulleys for Vehicles

DAYCO Idler Pulley: Idler Pulley, 89103, Serpentine, 8PK Compatible Belt Trade Size

The DAYCO Idler Pulley (part number 89103) is a steel, ribbed serpentine idler pulley designed for heavy-duty performance. It is compatible with 8PK belt trade sizes, providing reliable tension and alignment in…

SKU 3G-OTH-487960

Brand

DAYCO

Item

Idler Pulley: Idler Pulley, 89103, Serpentine, 8PK Compatible Belt Trade Size

Technical Specifications

DAYCO

Manufacturer Part Number

89103

Type

89103, Serpentine, Ribbed, Steel 

Pulley Material

Steel 

Performance Rating

Heavy Duty 

Compatible Belt Trade Size

8PK

View Full Spec Sheet

Technical Documents

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DAYCO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

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 Idler Pulley 89103 used for?

The DAYCO Idler Pulley 89103 maintains proper tension and alignment in vehicle serpentine accessory drive systems. Its steel, ribbed design handles heavy-duty loads, ensuring reliable belt operation for alternators, water pumps, and other engine-driven components.

What are the specifications of the DAYCO Idler Pulley 89103?

The DAYCO Idler Pulley 89103 is a steel, ribbed serpentine idler pulley rated for heavy-duty performance. It is compatible with 8PK belt trade sizes and manufactured by DAYCO under part number 89103. The pulley material is steel.

Where to buy the DAYCO Idler Pulley 89103 worldwide?

3G Electric supplies the DAYCO Idler Pulley 89103 to customers worldwide. As a global industrial sourcing partner, we handle full logistics and customs clearance to deliver this heavy-duty steel idler pulley to your facility, regardless of location.

How to install the DAYCO Idler Pulley 89103?

Install the DAYCO Idler Pulley 89103 by first relieving belt tension using the tensioner tool. Remove the old pulley, then mount the new steel pulley with the correct bolt torque per vehicle specifications. Ensure the ribbed surface aligns with the 8PK belt grooves for proper operation.

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 ribbed v-belt idler pulleys for vehicles. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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