Mercury Mariner 75296 37398 31256 Upper Rubber Shock Mount 75hp-140hp Pair Valve Covers I believe this is just

I believe this is just for 2500 and 3500 models that have a manual slide control front passenger seat that has an incorporated airbag and no armrests

175 HP (Yamaha®)--1978-1979

This may or not be the case with this set but there is always a possibility that one is not 100% working

225 hp MIE GM 327 V8 1967-1969

Part #'s Included Exhaust Housing: 306227 378063 0378063

Mercury Mariner 75296 37398 31256 Upper Rubber Shock Mount 75hp-140hp Pair Valve Covers I believe this is justPart Number(s) Included Mercury Mariner 75296 Rubber Upper Mount Replaces 31256 > 37398 General Application Compatibility Removed from a 1981 Mercury Mariner 80hp "800" 4cyl Outboard (Serial Number 5894097) Found on Numerous Mercury Mariner outboards ranging from 75hp 140hp Other Details Overall good condition (we take a really close look at these) Freshwater Used Parts You get the PAIR as pictured Purchase with confidence!