Fuel Pump Assembly – Fits Mercury/Mariner 75-115 HP 4-Stroke Outboards (Replaces 880890T1, 880980A02)

Fuel Pump Assembly – Fits Mercury/Mariner & Yamaha 75-115 HP 4-Stroke Outboards

This fuel pump assembly is designed for a wide range of Mercury/Mariner and Yamaha 4-Stroke outboards, specifically 75, 90, and 115 horsepower models manufactured from the early 2000s onward. It serves as a direct-fit replacement, engineered to meet or exceed original equipment specifications for reliable fuel delivery.

It directly replaces Mercury part numbers 880890T1 and 880980A02, as well as Yamaha part numbers 6D8-24410-00-00, 6D8-24410-10-00, and 68V-24410-00-00.

• Installation: Designed as a direct OEM-style replacement.
• Compatibility: Fits select Mercury/Mariner and Yamaha 4-stroke models (75-115 HP).
• Fuel Type: Compatible with standard gasoline.

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.

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

Mercury/Mariner 4-Stroke Models

Yamaha 4-Stroke Models

Technical Specifications

Package Contents

• 1 x Fuel Pump Assembly (Replaces 880890T1/880980A02 or 6D8-24410-00-00)
• 1 x O-Ring
• 3 x Zip Ties

Installation Guide

1. Safety First: Disconnect the battery terminals and relieve fuel system pressure according to your engine’s service manual. Work in a well-ventilated area away from sparks or open flames.
2. Access the Pump: Remove any cowlings or components necessary to access the existing fuel pump assembly.
3. Disconnect Connections: Carefully disconnect the electrical connectors and fuel lines from the old pump. Have rags ready to catch any residual fuel.
4. Remove Old Pump: Unbolt and remove the old fuel pump assembly from the engine block. Note the orientation of fittings.
5. Install New Pump: Seat the new O-ring and install the new fuel pump assembly, ensuring it is properly aligned. Tighten the mounting bolts to the manufacturer's specified torque.
6. Reconnect Lines: Securely attach the fuel lines and electrical connectors to the new pump. Ensure all connections are tight.
7. Final Checks: Reconnect the battery. Prime the fuel system by turning the key to the 'on' position several times. Before starting the engine, meticulously check all connections for any signs of fuel leaks.

Troubleshooting & FAQ

Q: How do I confirm this part fits my specific engine model?

A: The best way is to match your original part number to one of the numbers listed in our Part Number Cross-Reference table. Also, compare your original pump to our product photos. While this part is cross-compatible with many Mercury and Yamaha models, verifying the part number is the most reliable method.

Q: What are the common signs that my fuel pump needs replacing?

A: Symptoms of a failing fuel pump include difficulty starting the engine, stalling at low speeds, engine sputtering at high speeds, or a noticeable loss of power. A whining noise from the fuel pump is also a clear indicator of a problem.

Q: This pump fits both Yamaha and Mercury. Is there any difference in the part?

A: The core pump assembly is cross-compatible with the listed Yamaha and Mercury 4-stroke engines, which share a similar engine block design for these horsepower ranges. It serves as a direct replacement for the OEM part numbers specified for both brands, with identical fitment and function.

Q: What’s the difference between an OEM part and this aftermarket one?

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.