510021 High Pressure Pump 51AL19 Max 2800PSI 3 Leg Reverse Mount

The 510021 Replacement pump is a high-pressure 51AL19 axial cam pump Max 2800PSI 3 Leg Mounting with rear-facing inlet and outlet tubes.


To help determine if your unit is forward-facing or rear-facing, locate the spark plug on the engine in relation to your hose connections.

Forward facing are on the same side as the spark plug.
Rear facing are opposite of the spark plug.

510021 pumps are an economic, oil-filled plunger pump

Features:

Axial cam pressure washer pumps are rated for 2800PSI Max PSI at 2.0GPM. 
Direct drive system mounted to a gasoline engine. 
3 leg bolt flange provides convenient connection to most 7/8 shaft 3.5 - 6.75 HP engines. 
7/8 hollow shafted pump includes a chemical injection system and a power boost.