Features: 1. OE Number: The OE numbers for this ignition switch are 393301, 388173, 390129, and 390133, designed based on original specifications. 2. Wide Adaptability: 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 direct replacement; push-to-choke function with 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 existing unit. Compatibility information is for reference only. If uncertain, contact the seller before purchase to ensure correct fitment.