Got a Graco airless sprayer acting up? This Prime Spray Valve Kit is probably what you need. It's an aftermarket replacement for part #257-352, and it fits a ton of models like the Graco UltraMax 695, 795, 1095, 1595, GMAX 3900, 5900, 7900, and lots of Linelazer units too. The kit comes with everything you see: the valve body, cam, handle, and pin—all ready to install. It's built tough with a stainless steel body and a carbide seat and ball for long-lasting performance. Perfect for when your old valve is leaking or just worn out. Whether you're a pro painter or a DIY enthusiast, keeping your sprayer in good shape is key to a smooth job. This repair set makes it easy to get back to spraying without buying a whole new unit. Always check your manual to confirm compatibility, but if you need part 257-352, this is a solid, affordable fix. Get your sprayer flowing like new again!