Product details:

This is one of the BEST replacement pumps for your worn out pump. This unit is designed for daily use and it is perfect for contractors. It will fit most HORIZONTAL shaft engines with a 1" diameter shaft. The pump bolts to the motor with a 4 bolt pattern and bolts up on 8 to 13 horsepower Honda Motors. This pump is capable of producing up to 4000PSI at 4.0 GPM but it will wor great on any smaller washers with a 1" shaft. The pump includes an external bypass unloader, a thermal relief valve, and male quick connect. This pump is completly rebuildable from the valves to the packings and unloader.Direct Drive Pump Fits most 9-13HP 1" Shaft Engines
Ready to mount fully plumbed pump, just mount and go
Comes with a VRT3-310EZ unloader and regulator
Comes with fitting with filter, easy start valve, thermo valve and oil
Has a 1" hollow pump Shaft
Is a direct drive pump fits most horizontal shaft engines 10-14 HP