Features: The 24Y472 electric airless sprayer pump replacements set delivers unseamed compatibility with ProXChange ProX17/ProX19/ProX21 models, solve pressures loss, startup failures, and abnormal noise issue during paint sprayings. Crafted from high strength alloy steel with oxidation resistant treatments, this modulars pistons pump features integrated lubrication and pre installed gaskets for maintenance release operation and extended service life. Ideal for professional painters, contractors, and DIY enthusiasts requiring reliable sprayer parts to maintain high equipment performances in practical coating applications. Perfect for industrial grades paint projects on wall, furniture, or automotive finish, ensuring uniform coverage while minimizing overspray and material waste during continuous operation. Its accuracy engineered reciprocating pistons mechanism guarantees stable fluid pressures output, enabling faster project completion and consistent result across architectural or decorative coatings. Specifications: Material: Alloy Steel Size:Approx. 22x5x5cm/8.66x1.96x1.96inches Package Includes: 1Pc Sturdy Alloy Steel Sprayer Pump replacements Set note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.