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Quicksilver High-Pressure Fuel Filter 35-898101093 for Mercury 25/30HP EFI Outboards
This genuine Quicksilver high-pressure fuel filter is engineered for Mercury/Mariner 25HP and 30HP outboard engines with electronic fuel injection (EFI) and 3 cylinders. It is a direct replacement part that fits into the high-pressure fuel system under the engine cowling, filtering fuel after the low-pressure pump and before the injectors. By capturing extremely fine particles and any moisture, this filter helps maintain the correct fuel pressure and protects the injectors from clogs – essential for smooth operation and longevity of EFI engines. If your 25–30HP Mercury outboard hesitates at full throttle or runs unevenly, a clogged high-pressure filter could be the culprit – replacing it with this OEM filter will restore optimal performance.
Mercury recommends inspecting and replacing the high-pressure fuel filter at specified intervals (e.g., every 100 hours or once per year) to ensure reliable engine operation. Replacing the filter is relatively straightforward: it’s typically located in-line under the cowling – simply relieve fuel pressure, disconnect the old filter, and install the new one, making sure the arrow for fuel flow points toward the engine. Using a genuine Quicksilver filter ensures it meets factory specifications for pressure and flow, reducing the risk of leaks or fuel starvation.
- Great for small fishing boats, workboats, and tenders powered by Mercury/Mariner 25–30HP EFI engines, where dependable throttle response is crucial for maneuvering and planing
- Replace yearly: Regular replacement (or ~100-hour intervals) prevents power loss due to clogs – especially important if your boat sees heavy use or you refuel from varied sources
- Carry a spare: The compact high-pressure filter can be kept as a spare part – if a fuel issue strikes in a remote spot, a quick swap can save your trip
- OEM quality: Choosing a genuine Quicksilver filter preserves your engine’s warranty and gives peace of mind that the fuel system is protected to the manufacturer’s standards
