Single o-ring for a 3" Ford or Massey Ferguson hydraulic piston.
Fits the following Ford tractors: 1800 Series 4 Cyl 58-60, 2000 (3 cylinder or 4 cylinder), 2030 Compact Tractor, 4000 (3 cylinder or 4 cylinder), 4030 4 Cyl 61-62, 4040, 4120, 4130 4 Cyl 63-64, 4140, 501 Series 4 Cyl, 600, 601, 601 Series 4 Cyl, 650, 701 Series 4 Cyl, 800, 801 Series 4 Cyl.
Note: If you are working on a 3-cylinder Ford 2000, 3000 or 4000 series tractor please measure your piston before ordering as different sizes were available.
Massey TO35 (s/n 179304 & up), MF35, MF50, MF65.
For early production tractors: MF135, MF150, MF165 using 3" dia. piston. This is an update to the original style piston with three grooves and three metal rings.