Replaces Part Number: Prestolite SAZ-4201GJ,SAZ-4201ER; /Bucher 7522, 07522 Intermittent duty solenoid is made of tough plastic and durable copper and the coil roller is made of 180 copper wire. Widely used for hydraulic dump trailers, such as Load Trail, Performance It is suitable for power-on/power-off dump trailers, and can also replace the solenoid valve of the hydraulic leveling of the motorhome. Caution: Always use a back-up wrench to hold the bottom nut when tightening. Material: Plastic + Metal colour: black Package Contents: 1 x Solenoid Only the above package content, other products are not included. Note: Light 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.