Mariner 1573-5239A51 Driveshaft Exhaust Housing 75hp 80hp 90hp 115hp 4cyl 6cyl Intermediate Housing Mounted to Top of Carburetor

Mounted to Top of Carburetor and interacts with the throttle cam

Used on 1977 Models ONLY (175hp / 190hp 5

These are the common standard bracket bases that you see used with most windshield under-support dash mount brackets on most boats from the 1980's

Ideally I would just measure the housing of your existing cylinder and make sure it matches if you are unsure

Mariner 1573-5239A51 Driveshaft Exhaust Housing 75hp 80hp 90hp 115hp 4cyl 6cyl Intermediate Housing Mounted to Top of CarburetorPart Number(s) Included Drive shaft Housing: 1573 5239A51 Stamped 1573 5239 Will replace Mercury 1573 5239A4 but is a different paint color Exhaust extension Plate: 98518A4 Exhaust Tube: 74199 > 98543 > 99698 Driveshaft Housing Seal 26 60898 Water Inlet Tube 32 60897 General Application Compatibility Removed from a 1981 Mercury Mariner 80hp "800" 4cyl Outboard (Serial Number 5894097) Not completed at this time and hopefully will be added in the