(1) 280-242 Flat Idler  Description Flat Idler GY20629 Replaces: GY20110, GY20629, Fits Models: D140 D150 D160 D155 Specs: Height: 1 3/4" ID: 11/16" OD: 5 1/8" Material: Metal Heavy-Duty/Standard: Heavy-duty Made By: An OEM supplier  (2) 280-085 Flat Idler  Description Flat Idler GY22172 Replaces: GY20067, GY22172, Fits Models: D140 D150 D160 D155 Specs: Height: 1 3/16" ID: 11/16" OD: 3 5/8" Material: Metal Heavy-Duty/Standard: Heavy-duty Made By: An OEM supplier Deck idler For standard applications Used by OEM's