johnlewis51
New member
wondering what year and what hp will match up bottom end and driveshaft for my ser # 5509498 1979 20 hp merc thanking u in advance for your time
MarineEngine.com does not offer troubleshooting assistance or repair advice by email or by telephone.
You are invited to join our public Boat Repair Forum to seek assistance from other members.
You may also visit the Boat Motor Manuals section of our site to obtain a service manual.
do u have 1 if so how much may also be interested in just drive shaftOnly a 20 HP lower unit will fit.--------No chance of a 7.5 / 9.8 will fit.----Interested in a good used lower ?