Features Compatible with Multiple Models: Suitable for GX390, GX340, GX240, GX270, 188F, and 190F gasoline engines, ensuring broad compatibility and ease of use for various engine models. Aluminum Construction: Crafted from high-quality aluminum, providing a lightweight, wear-resistant, and -resistant construction, ensuring long-lasting performance and reliability. Easy Installation: Features a standard mounting hole distance of 42mm, allowing for effortless installation and disassembly, saving time and effort during maintenance. Direct Replacement: Carefully manufactured to directly replace old or damaged gasoline engine relays, ensuring a seamless and efficient replacement process. Scratch-Resistant Design: Smooth and burr- appearance prevents scratches on the gasoline engine during use, maintaining its aesthetics and functionality. Features: 1、Applicable Model: The starter motor relay is suitable for GX390 GX340 GX240 GX270 188F 190F gasoline engine. 2、Aluminum Material: Made of excellent aluminum, lightweight and wear resistant, not easy to deform and corrode. 3、Standard Opening: The mounting hole distance is 42mm, with standard openings, easy installation and disassembly. 4、Fine Production: The engine relay is carefully manufactured and can directly replace old or broken gasoline engine relays. 5、Smooth Appearance: The appearance is smooth and burr , and the gasoline engine will not be scratched during use. Specification: Item Type: Motor Relay Material: Aluminum Application: Suitable for GX390 GX340 GX240 GX270 188F 190F engines Mounting Hole Distance: Approx. 42mm / 1.7in Purpose: Gasoline generator accessories Package List: 1 x Motor Relay Package List 1 x Motor Relay