Piston Pump Piston, choose 5/8" or 9/16" Size:5/8" Solid green hat with the

Solid green hat with the newer Keystone Oliver logo

310C Indust/Const

Closure: Hook-and-loop (Velcro-style) adjustment

144 and 172 Engines found on Ford 1801

5000 tractors as well as Allis Chalmers 190 and 190XT tractors

Piston Pump Piston, choose 5/8" or 9/16" Size:5/8" Solid green hat with theFord hydraulic pump piston, choose 5 8" or 9 16" diameter. Sold individually, please order a quantity of "6" if you desire to change all of the pistons in your pump. These pistons are available in two different sizes, please measure your pump before ordering. Piston pumps found on Ford NAA, Jubilee, 501, 600, 700, 800, 900, 2000 (3 or 4 cylinder), 3000, 4000 (3 or 4 cylinder) series tractors. OEM: C5NN615A Made in the USA.