Usage Tips:[Easy to Replace]The built-in hexagonal nut slot on the frame of the power paint sprayer makes it easy to disassemble the pump; the pump kit can be replaced by simply sliding the front panel up and removing the entire pump, making repairs quick and convenient, greatly saving your repair time. [Compatible]Power paint sprayers pump, suitable for Graco ProXChange ProX17 ProX19 ProX21 sprayer, replacement part number: 24Y472, usually can solve the problem of paint pump not starting/holding pressure properly, making noise when paint is not passing through, etc. [Durable and Sturdy]24Y472 Power Paint Sprayers Pump is made of high-quality metal with fine craftsmanship, high strength, solid structure, anti-oxidation, anti-rust and corrosion-resistant, safe and reliable quality, ensuring long-term stable use. [Excellent Design]24Y472 Power paint sprayers pump adopts modular design and durable piston pump with built-in piston gasket and lubrication function, no additional lubrication is required during use. [Efficient Spraying] 24Y472 Replacement pump uses the reciprocating piston to generate pressure to process the fluid, ensuring that the paint is evenly covered on the spraying surface, ensuring efficient and stable painting work. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Color: Photo Color Material: Metal Package Contents: 1 * 24Y472 Power Paint Sprayers Pump Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.