[Easy to Replace] The built-in hexagonal nut slot on the frame of the power paint sprayer allows for easy disassembly of the pump; the pump kit can be replaced by simply sliding the front panel up and removing the entire pump, enabling quick and convenient repairs, significantly reducing downtime. [Compatible] Power paint sprayer pump is compatible with Graco ProXChange, ProX17, ProX19, and ProX21 sprayers. Replacement part number: 24Y472. This pump can typically resolve issues such as the paint pump failing to start, not holding pressure properly, or making noise when paint is not flowing through. [Durable and Sturdy] The 24Y472 power paint sprayer pump is constructed from high-quality metal with precise craftsmanship, offering high strength, a solid structure, and resistance to oxidation, rust, and corrosion. Designed for safe and reliable performance, it ensures long-term stable operation. [Excellent Design] The 24Y472 power paint sprayer pump features a modular design and a durable piston pump with an integrated piston gasket and built-in lubrication function, eliminating the need for additional lubrication during use. [Efficient Spraying] The 24Y472 replacement pump utilizes a reciprocating piston to generate pressure for fluid processing, ensuring paint is evenly distributed on the surface for efficient and consistent spray performance. Please note: Slight color variations due to lighting or screen display differences may occur and do not affect functionality. Color: As shown in photo Material: Metal Package Contents: 1 x 24Y472 Power Paint Sprayer Pump Note: Only the items listed above are included. Other accessories are not included. Light reflection and different displays may cause slight color differences between the image and the actual item. Measurement may vary by +/- 1-3 cm.