Compatible Models: Paint Spray Pump for Graco ProXChange ProXChange ProX17 ProX19 ProX21 Sprayers, Replacement Part Number: Replacement 24Y472, If your sprayer won't start, hold pressure, or just make noise when paint doesn't go through, you can try our pump, It will be your good helper Durable and Sturdy: The 24y472 pump replacement kit is made of high-quality Material, precision-manufactured, high-strength, sturdy and durable structure, corrosion-resistant, anti-oxidation, safe and reliable quality. You can use it with confidence Lifetime Lubrication: The piston pump is equipped with a built-in piston gasket with a lubrication function, no need for additional lubrication operation, smoother and more convenient to use. Efficient Spraying: Airless spray pumps can be used to handle various liquids, such as paints, primers, etc., ensuring efficient and accurate delivery of paints to the sprayed surface, ensuring uniform and efficient spraying, minimizing waste and saving costs, widely available For painting walls, houses, wood, etc. Easy to use: The airless pump is perfect for your sprayer, the sprayer frame is equipped with hex nut slots, you just slide the front plate up, then use the hex nut slots to disassemble the whole pump to replace the pump repair kit, easy to maintain and repair, convenient and efficient , saving time and effort : Compatible models: Paint Spray Pump for Graco ProXChange ProX17 ProX19 ProX21 Sprayers Replacement Part Number: Replacement 24Y472 Material: Metal colour: gold Package Contents: 1 x graco electric paint sprayer 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.