YUXIVCNE Fuel Pump for Mercury 2-Stroke Outboards 30–300HP — 14360A73/14360A78 Direct-Replace, Durable Diaphragm

This replacement fuel pump provides a straightforward, durable option when the original unit shows wear, leakage, or pressure loss. Built to match common Mercury part numbers (including 14360A16, 14360A41, 14360A43, 14360A50, 14360A71, 14360A73, and 14360A78) and marketed as compatible with 98766-C1, the YUXIVCNE pump aims to replicate factory fit and function for a wide range of 30–300 horsepower 2-stroke outboards. The housing, diaphragm, and inlet/outlet fittings are manufactured from more wear-resistant materials to extend service life under marine conditions.

How do I confirm this pump fits my Mercury outboard?

Before purchasing, compare the part numbers and the physical appearance of your existing pump to ensure compatibility. YUXIVCNE lists multiple OEM replacement numbers and emphasizes checking the brass fitting sizes and vacuum tube orientation because the pump’s vacuum tube is fixed and not rotatable.

• Match listed part numbers (14360A16, A41, A43, A50, A71, A73, A78) or OEM 98766-C1.
• Confirm your engine’s horsepower falls within 30–300HP two-stroke models.
• Compare brass fitting diameters to your fuel hose — the listing includes a photo with measurements.
• Verify the vacuum tube orientation matches your mounting position because it cannot be rotated.

What materials and construction quality should I expect?

The pump is built using stabilized, wear-resistant materials intended to withstand fuel exposure and vibration common in marine settings. The diaphragm and housing follow original geometry so the pump seals and mounts like the original part.

• Durable housing material for improved tensile strength and wear resistance.
• Diaphragm shaped to original specifications for consistent pumping action.
• Brass fittings are used where specified for corrosion resistance and reliable hose connections.
• Manufactured to match standard dimensions for plug-and-play replacement.

How simple is installation and what tools do I need?

Installation is intended to be quick and mostly plug-and-play for users familiar with small outboard servicing. Basic hand tools and a few minutes are typically all that’s required if the part numbers and hose sizes match.

• Estimated install time under five minutes for experienced technicians.
• Basic tools: screwdriver, pliers, and hose clamps suggested for secure connections.
• Ensure fuel is turned off and system depressurized before removal/installation.
• Check hose diameters and clamp tightness after installation to prevent leaks.

Will this pump require any modifications to fit my engine?

In most cases this is a direct replacement; however, you must confirm the brass fitting sizes and vacuum tube position match your current setup. If the fitting diameters differ and cannot be adapted, the pump will not be suitable without hose or fitting changes.

• Designed for direct swap when part numbers and fittings match.
• Vacuum tube is fixed — no rotation possible during installation.
• If brass fittings are too small, an adapter or different hose is needed (avoid forcing the fit).
• Always compare photos and measurements provided before ordering.

Who is this for: This YUXIVCNE fuel pump is meant for boat owners, marine mechanics, and service shops replacing worn or leaking diaphragm pumps on Mercury two-stroke outboards from 30HP up to 300HP. It suits anyone seeking a cost-effective OEM-compatible replacement that aims for straightforward fitment, provided they verify part numbers, hose diameters, and the non-rotatable vacuum tube orientation before purchase.