Outboard Diaphram Tool Kit Tracker Diaphragm 889431 91-889431 804533 Compatible with Mercury/Mariner 2.5L or 3.0L Optimax Engine The Installation Tool
Special Features
- Part Number 889431 91-889431 804533
- Compatible with Mercury/mariner 2.5L or 3.0L Optimax engine the installation tool
- This diaphragm fits both the air and fuel regulator on all of the Optimax 3.0L Model Engines (200 - 300 HP)
- It is the same diaphragm used for the fuel diaphragm on the Optimax 2.5L Model Engines (135 - 175 HP)
- They can be purchased individually without buying the entire fuel rail kit
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