Features: 1.OE Number: The referencing OE number of this ignition switch are 393301, 388173, 390129, 390133, which is molded and designed depend on the original data. 2.Wide Adaptability: The ignition starter switch is widely compatible with most OMC inboard and outboard powered boats for motor control. 3.Good Replacement: Push to choke ignition switch is used to replace and refurbish the original ignition switch to improve the ignition performance. 4.Premium Material: Made of premium quality ABS and metal material, good water resistance, professional manufacturing, high reliability. 5.Installation: Small and light in weight, compact structure, easy to install and use, direct replacement, push to choke with no wire splicing. Specification: Item Type: Ignition Key Switch OE Number: 393301, 388173, 390129, 390133 Fitment: Fits for OMC inboard and outboard powered boats PackageList: 1 x Ignition Switch 2 x Key Note: Please double check the part number of your item, matching information is for reference only. If you are unsure of the item, please contact us before buying to avoid unnecessary return, thanks!