Item Type: Motor Relay Material: Aluminum Application: Suitable for GX390 GX340 GX240 GX270 188F 190F engines Mounting Hole Distance: Approx. 42mm or 1.7in Purpose: Gasoline generator accessories 1Applicable Model: The starter motor relay is suitable for GX390 GX340 GX240 GX270 188F 190F gasoline engine. 2Aluminum Material: Made of excellent aluminum, lightweight and wear resistant, not easy to deform and corrode. 3Standard Opening: The mounting hole distance is 42mm, with standard openings, easy installation and disassembly. 4Fine Production: The engine relay is carefully manufactured and can directly replace old or broken gasoline engine relays. 5Smooth Appearance: The appearance is smooth and burr free, and the gasoline engine will not be scratched during use.1 x Motor Relay Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.