Product Description
Sierra 18-99531 Engine Tools
Adapter for filling gearcase lubricant on most 8mm metric Honda, Nissan, Tohatsu, Yamaha, Mercury & Evinrude applications
- 8mm tip fits most Honda, Nissan, Tohatsu, Yamaha, some Mercury & some Evinrudes
 - Does not fit Suzuki
 - 8mm x 3/8-16
 - Replaces Mercury 91-883704Q03, 91-883704K03, 551-33M
 - Replaces CDI