Mercury 21-42866 21-42863 Cylinder Bleed Valve Check Valve 35hp 40hp Outboard Timing Cover 1972 1973 1

1972 1973 1

Screw 17621

Item Details Includes the top and front frame supports

22-816856T01

Please find a parts diagram of your outboard to verify compatibility

Mercury 21-42866 21-42863 Cylinder Bleed Valve Check Valve 35hp 40hp Outboard Timing Cover 1972 1973 1Part Number(s) Included 21 42866 Cylinder Bleed Fitting Check Valve (Top) 21 42863 Cylinder Bleed Elbow Check Valve (Bottom) General Application Compatibility Details To be Added Later Removed from a Mercury 35hp 2cyl Outboard OB257925 1988 Other Details Freshwater Used Parts Overall good condition Purchase with confidence! May work on some of these 1984 1985 1986 1987 1988 1989 1990 6hp 10hp 15hp 18hp 18XD 20hp 25hp 25XD 35hp 40hp 402 Mariner Sea Pro