V-Belt Idler Pulley 1/2" x 3-3/4" IV81M – Fits Murray Lawn Tractors

The V-Belt Idler Pulley 1/2" x 3-3/4" IV81M is a premium-quality replacement pulley designed to maintain correct belt alignment and tension on Murray lawn tractors and outdoor power equipment. This idler pulley ensures smooth belt operation, reduces vibration, and extends the life of your mower’s drive or deck belt.

Manufactured with heavy-duty steel and a precision-sealed bearing, the IV81M pulley is built for durability and long service life. It’s an exact-fit replacement that meets or exceeds OEM specifications, making it ideal for routine maintenance or complete mower restorations.

Specifications & Details:

• Part Type: V-Belt Idler Pulley

• Model: IV81M

• Belt Width: 1/2"

• Outer Diameter: 3-3/4"

• Bore Size: 3/8"

• Material: Heavy-duty steel with sealed ball bearing

• Application: Fits Murray lawn tractors, riders, and other outdoor power equipment

• Function: Keeps belt tensioned and properly aligned for smooth operation

Features:

• Direct-fit replacement for Murray mowers

• Durable steel construction resists wear and corrosion

• Precision-sealed bearing for quiet, maintenance-free performance

• Prevents belt slippage and excessive wear

• Meets or exceeds OEM standards for performance and longevity