The V Idler Pulley 3/8" x 3-1/16" (IV42) is a high-performance replacement pulley designed for lawn mowers, pressure washers, small engines, and industrial belt-driven equipment. Precision-engineered with a 3-1/16-inch outer diameter and a 3/8-inch bore, this V-groove pulley provides excellent belt tracking, smooth operation, and long-lasting durability.

Built from heavy-duty stamped steel with a sealed ball bearing, the IV42 offers maintenance-free operation, reduced vibration, and improved belt alignment — extending both belt and component life. Ideal for use in compact drive systems or high-RPM environments, this pulley delivers professional-grade reliability.

Features & Specifications:

• Product Type: V Idler Pulley

• Model Number: IV42

• Outer Diameter: 3-1/16 inches

• Bore Diameter: 3/8 inch

• Design: V-Groove for standard V-belts

• Material: Heavy-duty steel for maximum strength and balance

• Bearing Type: Sealed ball bearing – maintenance-free and smooth operation

• Finish: Corrosion-resistant black powder coat

• Function:

  • Maintains precise belt alignment and proper tension

  • Reduces vibration, noise, and belt wear

  • Ensures efficient, smooth power transmission

• Applications:

  • Lawn mowers and tractors

  • Pressure washers and softwash systems

  • Small engines and compressors

  • Industrial and agricultural belt-driven machinery

• Durability:

  • Designed to handle high speeds and heavy-duty use

  • Resistant to corrosion, debris, and environmental wear

• Installation:

  • Direct OEM-fit design for easy installation

Why Choose the V Idler Pulley 3/8" x 3-1/16" (IV42):

• Heavy-duty steel construction ensures long service life

• Sealed bearing for quiet, maintenance-free performance

• Compact design perfect for tight-space configurations

• Compatible with a wide range of small engine and mower applications

• Precision-machined for consistent, smooth belt tracking

The V Idler Pulley 3/8" x 3-1/16" (IV42) offers the perfect balance of durability, performance, and versatility — making it an ideal choice for keeping your belt-driven systems running at peak efficiency.