Idler Pulley Square Rail 144C56 for Chamberlain LiftMaster Garage Door Opener (# 232782217305). Fits Minneapolis-Moline Models: U (Gas), UB (Gas), G (Gas), UTS (Gas). Use with R0743 Manifold. 1124732C94 Lift Angle Cylinder Seal Kit Fits IH Dresser TD7C TD7H TD8H (# 401995948470).