Fuel Pump – Fits Mercury/Mariner 30-300 HP 2-Stroke Outboards (Replaces 14360A16, 14360A41, 14360A43, 14360A78)

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

This aftermarket fuel pump assembly is designed for a wide range of Mercury/Mariner 2-stroke outboard engines from 30 HP to 300 HP, covering models from the 1990s to the early 2000s. It fits various configurations, including 75/90/115 HP DFI (1.5L) and 200/225/250/300 HP DTS/DFI models.

This is a direct replacement for Mercury/Mariner part numbers 14360A16, 14360A41, 14360A43, 14360A50, 14360A71, 14360A73, 14360A78, 8M0036779, and 98766-C1.

• Installation: Direct OEM-style replacement for straightforward installation.
• Compatibility: Designed for gasoline-fueled 2-stroke outboard applications.
• Included Components: The kit includes one fuel pump assembly, one gasket, and one cable tie.

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 (Replaces 14360A78/A16/A41/A43/A50/A71/A73)
• 1 x Gasket (Replaces 987691)
• 1 x Cable Tie (Replaces 54-816311T)

Installation Guide

1. Safety First: Disconnect the battery and ensure the engine is cool. Work in a well-ventilated area and have a fire extinguisher nearby.
2. Relieve Fuel Pressure: Follow the manufacturer's procedure to safely relieve any pressure in the fuel system.
3. Locate the Pump: Identify the fuel pump on the engine block. Note the orientation of the fuel lines.
4. Disconnect Fuel Lines: Place a rag under the fittings to catch spills. Clamp the fuel lines, then loosen the hose clamps and carefully disconnect the inlet and outlet hoses.
5. Remove Old Pump: Unscrew the mounting bolts holding the fuel pump to the engine.
6. Clean Surface: Remove the old gasket and clean the mounting surface on the engine, ensuring it is free of old gasket material and debris.
7. Install New Gasket & Pump: Place the new gasket onto the engine block, then mount the new fuel pump. Hand-tighten the bolts evenly.
8. Torque Bolts: Torque the mounting bolts to the manufacturer's specified value. Do not overtighten.
9. Reconnect Fuel Lines: Attach the fuel lines to the new pump, ensuring they are connected to the correct fittings (inlet/outlet). Secure with clamps.
10. Final Checks: Reconnect the battery. Prime the fuel system by squeezing the primer bulb until firm. Meticulously check for any fuel leaks around the pump and fittings before starting the engine.

Troubleshooting & FAQ

How do I confirm this fits my engine?
The most reliable method is to match your engine's serial number to the ranges provided in the compatibility table above. Use the Mercury Serial Number Guide linked above to identify your engine, then cross-reference it with our compatibility data.

What are the common signs of a failing fuel pump?
Symptoms include difficulty starting, engine sputtering or stalling, loss of power during acceleration, and inconsistent engine performance. A fuel pressure test can definitively diagnose a weak pump.

How often should I replace the fuel pump?
There is no fixed replacement interval for this type of fuel pump. It should be inspected regularly for leaks or cracks and replaced if fuel delivery issues are diagnosed. It's good practice to consider replacement during a major engine overhaul.

OEM vs. Aftermarket?
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.

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

What is your warranty and return policy?
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.