Hustler Flat Steel Idler Pulley Suits Selected Dash & Raptor Models Replaces 126123 / 604219 / 607480

Description: Non-Genuine BigDog & Hustler Flat Steel Idler Pulley designed for a range of Dash, Dash XD, Raptor, and Raptor XD zero-turn mower decks. Engineered for precision belt tracking, reduced vibration, and long-lasting durability in demanding mowing conditions. Replaces OEM part numbers 126123, 604219, and 607480 — suitable for multiple deck sizes from 34” up to 54”. Replaces OEM: BigDog: 126123, 604219, 607480 Hustler: 126123, 604219, 607480 Pulley Dimensions: Specification Imperial Metric (mm) Outside Diameter (A) 4.877" 123.90 Flange Diameter (B) 3.937" 100.00 Centre Hole / Bore (C) 1/2" 12.70 Pulley Height (D) 1.089" 27.67 Hub Height (E) 0.767" 19.50 Material Thickness (T) 0.078" 2.00 Centre Hole Type Round — Deck Compatibility: Deck Size (inches) Deck Size (cm) Deck Size (mm) 34", 36", 42", 48", 52", 54" 86.3 137.2 cm 863 1372 mm Fits Models: BigDog Zero Turn Models: 42" (1067 mm) cut Alpha Models: 932897EX (2013), 933416EX (2013–2015), 934489EX (2016–2017), 939140EX (2018) 48" (1220 mm) cut Alpha MP Model: 936526EX (2016) 52" (1320 mm) cut Alpha Models: 932913EX (2015), 939124EX (2018) Hustler Zero Turn Models: 34" (863 mm) Dash XD Model: 940742EX (2020–2021) 36" (915 mm) Raptor SD Models: 935262EX (2016), 938365EX (2018–2020) 42" (1067 mm) Dash XD Model: 940759EX (2020) Raptor / Raptor SD / X / XD Models: 933465EX, 934679EX, 935270EX, 938332EX, 939819EX (2014–2021) 48" (1220 mm) Dash XD / Raptor Flip-Up / SD / XD Models: 932566EX, 935288EX, 936542EX, 938399EX, 940510EX (2014–2021) 52" (1320 mm) Raptor Model: 931899EX (2015) 54" (1372 mm) Raptor X / XD Models: 940502EX (2020), 939751EX (2020) Features: High-strength steel construction for long-lasting durability. Precision-machined hub and bore to ensure smooth, quiet operation. Designed to maintain accurate belt alignment and minimize vibration. Suitable for a wide range of Hustler Dash and Raptor series ZTR mowers. Easy bolt-on replacement for worn or damaged OEM pulleys. Specifications Summary: Property Detail Material Heavy-Duty Steel Finish Corrosion-Resistant Centre Hole 1/2" (12.7 mm) Round Pulley Height 1.089" (27.67 mm) Outside Diameter 4.877" (123.9 mm) Standard Pack Quantity 1 GA SPARES PUL8621