Mercury 534-3267A18 34-56704A1 Reed Block Assembly Set 20hp 50hp 200 500 1973-77 Thermostat Housing Parts This would have been used

This would have been used on all 1987 models and could be possibly used for a 1988 model

90 HP (Yamaha®) -- 1978-1983

This would have only been used with the 398-9710A45 stator or 398-818535A15 / 398-818535A3 / 398-818535A3 >398-832075T18 > 398-832075A20 Stator Kit

Used from 1970-1989 on virtually all OMC 2

Mercury 534-3267A18 34-56704A1 Reed Block Assembly Set 20hp 50hp 200 500 1973-77 Thermostat Housing Parts This would have been usedPart Number(s) Included Mercury 534 3267A18 Main Bearing Assembly Casting 534 3265 Mercury 34 56704A1 Reed Set General Application Compatibility Mercury 200hp 2cyl Outboard 1973 1977 Mercury 500hp 4cyl Outboard 1971 1975 Other Details Freshwater Used Parts Purchase with confidence!