Air Regulator Installation Tool for Mercury & Mariner OptiMax 2.5L / 3.0L

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About this product

Service the fuel-rail air regulator on compatible Mercury and Mariner OptiMax engines with this genuine Mercury Marine special tool. It compresses the regulator spring so the cover can be seated against the fuel rail and the retaining screws installed. The tool provides controlled pressure during reassembly, making the stiff regulator spring easier to manage. It is a practical workshop tool for air-regulator and diaphragm servicing where specified in the engine’s service manual. Product details Type: Air regulator installation tool Application: Selected Mercury and Mariner OptiMax 2.5L and 3.0L engines System: Direct fuel injection air/fuel rail assembly Function: Compresses the air regulator spring during cover installation Intended use: Fuel-rail air regulator servicing and reassembly Product status: Genuine Mercury Marine OEM special tool Check compatibility Confirm the tool requirement using your engine model, serial number and service manual. The regulator design and service procedure can vary between OptiMax versions. Follow the manufacturer’s instructions for relieving system pressure and positioning the diaphragm, spring and cover. Apply only the pressure needed to seat the

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