1、Fitment: Fit for KTI system pj dump trailers, replacement for CASE, replacement for CAT, replacement for Prestolite small gasoline engines, suitable for Prestolite, for Monarch, for Bucher, etc. 2、Reference Part Numbers: OEM numbers are SAZ 4201GJ, SAZ 4201ER, 391-2, 190107, fit for dump trailers with 070009 dump pump. Double check your OEM part number for proper fitment. 3、Reliable Performance: This 4 terminal 12V solenoid has high reliability, is used by hydraulic dump trailer manufacturers such as for Load Trail and for Parker Performance, ensuring high performance. 4、Direct Replacement: This solenoid relay also works well for replacing hydraulic leveling jacks on RV. Ideal option and replacement for your rebuild, repair, and maintenance needs. 5、High Longevity: This dump trailer solenoid relay is built to last, it ensures that your dump trailer continues to function optimally for a prolonged period.