1. Fitment: Shift cable tool is replacement for Mercruiser Alpha One Gen I II MC-1, please confirm whether your model is applicable before buying. 2. OE Number: The part numbers for reference are 91-12037, 90110, 18-9806E, please confirm whether it is consistent with the OE you need. 3. Function: Shift cable tool is designed for installing and removing shift cable jackets in the bell housing, and also for installing removing the shift cable. 4. Tough Material: This tool is made of super tough medium carbon steel, CNC process precision manufacturing, sturdy, impact resistant and wearproof for long term performance. 5. Ease of Use: The shift cable tool socket simplifies installation and removal processes, making maintenance tasks more efficient and straightforward. Spec: Item Type: Shift Cable Tool Socket OE: 91-12037, 90110, 18-9806E Fitment: Replacement for Mercruiser MC-1, R, MR, for Alpha One Gen I Gen II. packing list: 1 x Shift Cable Tool Socket Note: Please double check the part number and fitment of your item, matching information is for reference only.