Idler pulley replaces Exmark OEM# 1-413099. Used on Lazer Z HP 44", 48" and 52" decks, Metro HP 36", 48" and 52" decks, Turf Tracer HP 36", 48" and 52" decks, Turf Ranger, Lazer Z CT 48"deck
Idler has a double row of bearings with double sealed sides For heavier load applications