Features: 1. OE Number: The referencing OE numbers for this ignition switch are 393301, 388173, 390129, 390133, designed based on original specifications. 2. Wide Adaptability: This ignition starter switch is compatible with most OMC inboard and outboard powered boats for motor control. 3. Good Replacement: Push-to-choke ignition switch replaces the original unit to help improve ignition performance. 4. Premium Material: Constructed from high-quality ABS and metal materials, offering good water resistance, professional manufacturing, and high reliability. 5. Installation: Compact, lightweight design allows for easy installation and use. Direct replacement with push-to-choke function; no wire splicing required. Specification: Item Type: Ignition Key Switch OE Number: 393301, 388173, 390129, 390133 Fitment: Fits OMC inboard and outboard powered boats Package List: 1 x Ignition Switch 2 x Key Note: Please verify the part number of your original unit. Compatibility information is for reference only. If uncertain, contact the seller before purchasing to avoid incorrect orders.