One new replacement lower radiator hose for Zetor tractor models: 2011, 2511, 3011, 3320, 3321, 3340, 3341, 3511, 3513, 3545, 4011, 4320, 4321, 4340, 4341, 4511, 4611, 4712, 4718, 4911, 5011, 5211, 5213, 5243, 5245, 5320, 5321, 5340, 5340H, 5341, 5511, 5545, 5611, 5645, 5647, 5711, 5718, 5745, 5748, 5911, 5945, 6011, 6045, 6211, 6245, 6320, 6321, 6340, 6341, 6711, 6718, 6745, 6748, 6911, 6945, 7011, 7045, 7211, 7245, 7245H, 7320, 7321, 7340, 7341, 7711, 7745. Replaces part(s): 55011310, 72011310, 70011315, 7001-1315