Cylinder Head Inner Seal
6 required per engine
Fits:
Mercury / Mariner
115hp 2.5L DFI serial number OG960500-OT178499
135hp 2.5L DFI serial number OG960500-up
150hp 2.5L DFI serial number OG960500-up
175hp 2.5L DFI serial number OT178500-OT801000 & up
200XS DFI 2.5L serial number OT235000-up
2.5L DFI / Optimax 2000-up
Sport Jet
175hp 2000-03
200hp DFI 2001-03
210hp Carb 2001-03
240hp EFI 2001-03
May fit additional models to those listed above. Compare the oem number of the part for your engine to those listed below
Replaces: 8597721, 859772-1, 8584531, 858453-1, 859772, 526-25