Air / Fuel Regulator Diaphragm For Mercury Optimax LEFT Rail 2.5L 3.0L 8M6002988
New premium Venom brand Mercury Optimax DFI port side (LEFT) air / fuel regulator diaphragm.
Replaces Mercury part number 8M6002988 (WILL NOT replace part number 804533)
Fits 2.5L (135 - 175 HP) or 3.0L (200-300 HP) Optimax Engines ONLY
Replaces the AIR / FUEL diaphragm that is installed in the port fuel rail (Left side sitting in the boat)
This diaphragm is used in either regulator (fuel or air) on the port side fuel rail for the 3.0L (200 - 300 HP) engines, and for the fuel regulator in the port side rail for the 2.5L (135 - 175 HP) engines.
This is the latest version; they are identifiable by their purple color. (The previous models were either green or brown)
Please refer to your repair manual for proper procedures.
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