Scag Belt, Pump Drive Part # 484578 Genuine Scag Product, Part Number: 484578 Fits: Scag: SWZT-18FSE, SWZT36-14FS, SWZT36-481FS, SWZT48-15FS, SWZT48-541FS, SWZT52-18FS, SWZT-18FSE, SWZT36-14FS, SWZT48-15FS, SWZT52-18FS Walk Behind Mowers w/ 36" 48" 52" Cutter Decks