Idler Pulley - Murray 91178

This high-quality idler pulley (SKU B1SB7127) is a direct replacement for the Murray 91178 OEM part, designed to maintain proper belt tension in your mower deck. With a durable 3” (76mm) outer diameter and a 1/2” (13mm) inner diameter, this 11/16” (17mm) wide pulley ensures smooth operation and long-lasting performance. Ideal for keeping your Murray ride-on mower cutting efficiently, this replacement part is built to withstand the demands of Australian lawns.

• Precision-engineered to match OEM Murray 91178 specifications for a perfect fit.
• Durable construction resists wear and corrosion, ensuring reliable performance season after season.
• Easy to install with standard tools, reducing downtime for your mower.

• Murray ride-on mowers with 91178 idler pulley
• Murray select lawn tractors
• Murray wide-area mowers

Idler Pulley – A critical belt-tension component for mower deck systems, ensuring reliable cutting performance.