Mercury Outboard AB Lower Unit Pin Gear to Propeller Shaft 13-20937 Mark 20H Power Steering Tilt Trim Solenoid: 979774

Tilt Trim Solenoid: 979774

Cover Cap Boot: 303792

6410893 Oil Fill cap & 311545 / 0311545 Valve cover elbow also include still installed as pictured

Used from 1978-1983 on virtually all OMC GM 400 & 800 Sterndrive Power plants (2

but I believe the 86-90 tubes are similar on the 5

Mercury Outboard AB Lower Unit Pin Gear to Propeller Shaft 13-20937 Mark 20H Power Steering Tilt Trim Solenoid: 979774Item Description Mercury Part Number 13 20937 Set of 5 as pictured. Found on Mercury AB Racing Gearcase Lower unit If you are unsure on compatibility feel free to ask! Purchase with confidence! General Disclaimer (please read) These are New Old Stock Parts from a large mercury Mark & K models cabinet I have. Some of these parts might work on more models than listed in the title and or the description, Please do your own research There might be some