Hydraulic Gear Pump, Displacement 28 CM³If your pump has different dimensions on the Inlet of the pump (26mm ID Hole & 8mm x 1.25 threaded holes at 55mm bolt circle), order the following parts belowCertain models may require an L115460 adapter fitting, L34995 O-ring, and 4-19M7660 bolts, which are not supplied by Hy-Capacity.The HR156335 Hydraulic Gear Pump, Displacement 28 CM³ fits equipment brands such as: John Deere