[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, compatible with Graco ProXChange, ProX17, ProX19, and ProX21 sprayers. Replacement part number: 24Y472. This pump can help resolve common issues such as the paint pump failing to start, not holding pressure properly, or making noise when paint is not flowing. [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, ensuring safe and reliable performance for long-term use. [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 system, eliminating the need for additional lubrication during operation. [Efficient Spraying] The 24Y472 replacement pump utilizes a reciprocating piston mechanism to generate consistent pressure, ensuring even paint distribution and efficient, stable spraying performance. Color: As shown in photo. Material: Metal. Package Contents: 1 x 24Y472 Power Paint Sprayer Pump. Note: Other items not included. Slight color variations due to lighting and display differences may occur and are not considered defects. Measurement may vary by +/- 1-3 cm.