Description This high-quality Flat Idler Pulley (SKU: B1HS15) is a direct replacement for Hustler OEM part number 781385. Designed for durability in demanding Australian conditions, it features an outer diameter of 6-3/4" (171.45mm) and a robust 1-1/2" (38.1mm) height, making it ideal for maintaining proper belt tension on zero-turn mowers and other commercial turf equipment. Trust this reliable pulley to keep your cutting deck running smoothly. Features Precision-engineered to match Hustler 781385 specifications for a perfect fit. Durable construction ensures long-lasting performance in heavy-duty mowing applications. Easy to install as a direct replacement part, minimising downtime. Specifications SKU B1HS15 OEM Hustler 781385 GA Spares - Stens # 280-838 Measurements O.D 6-3/4" (171.45mm); I.D 11/16" (17.46mm); Height 1-1/2" (38.1mm) Fits Hustler Zero-Turn Mowers (various models) Hustler Super Z Series Hustler FasTrak Series Product Line Mower Deck Pulleys – Flat idler pulleys for belt drive systems on commercial and residential mowers.