Drop-In High Pressure Fuel Pump For Mercury 75HP To 350HP EFI Optimax Outboards Direct Replacement That Restores OEM Performance HFP-295 Fits OE Numbers 855427A1 855432A07 855432A1 855432A2 855434A1 881705A1 888725T1

Drop-In High-Pressure Fuel Pump - Unit for EFI/Optimax
✔️ Direct OE replacement for listed high-pressure EFI/Optimax fuel pump numbers

This drop-in high-pressure fuel pump replaces the factory vapor separator pump in 75HP-350HP EFI and Optimax outboards, restoring OEM rail pressure for reliable starts and smooth power.

✅ Direct replacement for OE numbers 855427A1, 855432A07, 855432A1, 855432A2, 855434A1, 881705A1, 888725T1
✅ Ethanol-resistant materials guard against fuel breakdown and corrosion
✅ Engineered for high vibration and heat to maintain consistent atomization
✅ Restores rail pressure to fix hard starts, sputtering, and loss of top-end RPM
✅ Lifetime warranty from a US-based small business

💡 What is a high-pressure fuel pump used for in outboard EFI systems and why replace it? This handy part helps maintain proper rail pressure for consistent power. - Restores consistent rail pressure for reliable starts and smooth acceleration. - Prevents fuel starvation and sputter during high-load operation. - Uses ethanol-resistant materials to resist modern marine fuels. - Direct OE replacement keeps flow and spray characteristics matched to factory specs.