Fuel Pump Assembly – Fits Mercury/Mariner 30-300 HP 2-Stroke Outboards (Replaces 14360A78, 14360A71, 14360A43)

Fuel Pump Assembly – Fits Mercury/Mariner 30-300 HP 2-Stroke Outboards

This fuel pump assembly is designed to fit a wide range of Mercury and Mariner 2-stroke outboard engines from 30 HP to 300 HP, manufactured between 1995 and 2009. It serves as a direct, reliable replacement for your original factory pump, ensuring proper fuel delivery and engine performance.

Engineered to meet or exceed OEM specifications, this pulse-driven diaphragm pump restores functionality for consistent and efficient operation. It replaces multiple Mercury part numbers, including 14360A78, 14360A71, 14360A43, 14360A16, 14360A41, 14360A50, 14360A73, and 98766-C1.

• Installation Type: Direct OEM replacement
• Fuel Compatibility: Gasoline
• Mechanism: Pulse-driven diaphragm design

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

Confirm your engine model/year in the table below. For Mercury owners, here’s a guide to help you identify your engine’s serial/model: Mercury Serial Number Guide. You can also review exploded diagrams to verify part numbers: Mercury Parts Diagrams & Catalog.

Technical Specifications

Package Contents

• 1 x Fuel Pump Assembly (14360A78/14360A71/14360A43/14360A16)
• Note: Mounting gaskets or hardware are not included.

Installation Guide

1. Ensure the engine is turned off and completely cool. Disconnect the battery.
2. Locate the old fuel pump on the engine block. Place a rag or container underneath to catch any spilled fuel.
3. Carefully disconnect the fuel lines from the pump. Note their orientation.
4. Unscrew the mounting bolts holding the pump in place and remove the old pump.
5. Clean the mounting surface on the engine block, removing any old gasket material.
6. Position the new fuel pump and gasket (if required, not included) onto the engine.
7. Secure the new pump with the mounting bolts, tightening them to the manufacturer's specified torque.
8. Reconnect the fuel lines to the correct fittings on the new pump and secure them with clamps.
9. Reconnect the battery.
10. Prime the fuel system by squeezing the primer bulb until it is firm.
11. Check for any leaks, then start the engine and verify proper operation.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?

A: The best way is to check your engine's serial number against the ranges listed in the compatibility table above. You can also match the part number on your old fuel pump to one of the cross-reference numbers (14360A78, 14360A71, etc.). Use our Mercury Serial Number Guide for help finding your engine details.

Q: What are the common signs of a failing fuel pump?

A: Common symptoms include difficulty starting the engine, engine sputtering or stalling at high speeds, loss of power, and inconsistent fuel flow. A physical inspection may reveal cracks or leaks in the pump housing.

Q: Does this fuel pump assembly include a new gasket?

A: No, this package contains the fuel pump assembly only. Mounting gaskets and other hardware are not included and must be purchased separately if needed.

Q: OEM vs. Aftermarket?

A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

Q: How fast do you ship and how much does it cost?

A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

Q: What is your warranty and return policy?

A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.