Engineered Replacement: Specifically designed as an aftermarket replacement for Ultra Max II series models 390, 395, 490, 495, and 595, this piston pump machine inner airless piston rod ensures perfect compatibility and performance. Enhanced Durability: Utilizing a machining process, this piston rod is crafted to enhance and reliability in demanding painting applications, ensuring your sprayer operates efficiently for longer periods. Exact Fit and Quality Materials: Manufactured with standard materials and maintaining accurate dimensions, this piston rod guarantees an exact fit for sprayer, facilitating easy installation and optimal functionality. Compatibility Note: Please note that this piston rod is not suitable for use with the 395PC Pro, 490PC Pro, 495PC Pro, and 595PC Pro Sprayer models. to check your sprayer model before purchasing for a seamless fit. Color:As Shown Material:Metal Package Contents: 1 x Airless Piston Rod 1 x Piston valve 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.