Complete kit with multiple adapter sizes for various engine brands and models enables broad compatibility
3/8-16 female thread on both ends allows secure connection to fillers or testers
Includes pressure and vacuum tester adapters for versatile marine testing applications
Direct fit design simplifies installation and reduces setup time
OEM replacement for multiple part numbers ensures reliable performance
Summarized by Shop
Gearcase Adapter Kit
Master Kit contains all the adapters you will need for outboard and sterndrive applications.
We also have kits for just outboards and sterndrives individually as well.
All adapters have 3/8"-16 female thread on opposite end for connection to filler or tester. Master Kit Includes: