600296 Spacer/Bushing Hustler OEM 600296 Idler Spacer is Often Used to Space Idler Pulleys Above the Frame or Pulley Weldment Threads on the Mower Deck and Hydraulic Belt Systems. Review the Parts Diagrams in the Images Above (Organized by Family/Series & Usage Type) & and Model Fit Chart Below to Ensure a Correct Fit. Inside Diameter Is Sized For a 5/8" Fastener Model Fit Chart FasTrack (2015 - 2021 Models) * Hydraulic Drive Idler 933424, 933432, 933440, 934851, 935627, 936054, 936062, 936070, 936088, 936104, 936112, 936120, 936138, 936146US, 936153US, 936161US, 938043, 938050, 938704, 938712, 938720, 938738, 938746, 938753, 938761, 938779, 938787, 938795, 940346, 940353, 940361, 940379, 940387, 940395, 940403, 940411, 940429, 940437 Diesel Z (2018 - 2025 Models) * PTO Clutch/Mower Deck Belt Redirection Idler Pulley Usage 938233US, 938241US, 938258US, 938266US, 940452US, 940460US, 940478US, 940486US, 943233US, 943241US, 943249US, 943266US Trimstar (2010 - 2018 Models) * 48", 54" Models Only - Mower Deck Idler Pulley's 929240, 929265, 929273, 930396, 930404, 930412 Super S (All Models) *Excludes 36" Models - Mower Deck Idler Pulley's 933333, 933341, 933358, 935353, 935361, 935395US, 937136, 937144, 937151, 937169, 937177, 939447, 939454, 940213, 940221, 940247, 940254, 940296, 940304, 941393, 942292, 943126, 943134, 943142, 943167, 943175 BAC-VAC (Select Models Only) * Idler Tensioner Pulley Models are Currently Not Listed Not sure if this is the correct part? Contact us with your Hustler model and serial number and our parts team will verify fitment before you order.