3H6-04005-0 Tohatsu "Fuel Pump Diaphragm"

The Tohatsu fuel pump diaphragm is a precision-engineered component vital to your outboard motor's fuel delivery system. This genuine OEM part regulates fuel flow from the tank to the carburetor, maintaining consistent pressure for reliable engine operation. The diaphragm flexes to create the pumping action necessary for fuel circulation, and wear or deterioration directly impacts starting reliability and performance. Manufactured to Tohatsu's exacting standards, this authentic replacement ensures proper fuel system function across compatible motor models. A worn diaphragm can cause hard starting, stalling, and reduced power output. Installing genuine Tohatsu components preserves engine efficiency, maintains warranty coverage, and guarantees compatibility with your specific outboard configuration.