Fuel Pump Assembly – Fits Mercury/Mariner 75HP, 90HP, 115HP EFI 4-Stroke (Replaces 880890T1, 880980A02)

Fuel Pump Assembly – Fits Mercury/Mariner 75HP, 90HP, 115HP EFI 4-Stroke (Replaces 880890T1, 880980A02)

This aftermarket fuel pump assembly is a direct-fit replacement for low-pressure lift pumps in Mercury and Mariner 4-stroke EFI outboard engines. It is designed to restore original performance and fuel delivery for a range of 75, 90, and 115 horsepower models manufactured between 2000 and 2006 (serial numbers 0G960500 through 1B366822).

This unit serves as a direct replacement for Mercury parts 880890T1 and 880980A02, and is also cross-compatible with Yamaha, Sierra, and other aftermarket part numbers. It is engineered to meet or exceed OEM specifications for reliable, long-lasting operation.

• Installation Location: Mounts internally inside the engine's Vapor Separator Tank (VST).
• Fuel Compatibility: Designed for use with gasoline.
• Complete Kit: Includes the fuel pump, O-ring, hose clamp, and connection tubing for a full replacement.

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.

Technical Specifications

Package Contents

• 1 x Fuel Pump Assembly (880890T1/880980A02)
• 1 x Hose Clamp (90465-10098-00)
• 1 x O-ring (93210-29198-00)
• 1 x 3*35mm Outer Diameter Tubing

Explosion Diagram

Installation Guide

1. Safety First: Disconnect the negative battery terminal and relieve any pressure from the fuel system.
2. Access the VST: Locate and remove the Vapor Separator Tank (VST) assembly from the engine block.
3. Disassemble VST: Carefully open the VST housing to access the internal fuel pump.
4. Disconnect Old Pump: Unplug the electrical connector and detach the fuel lines from the old pump.
5. Remove and Compare: Take out the old fuel pump assembly. Visually compare it with your new part to ensure an exact match.
6. Install New Pump: Place the new fuel pump into the VST housing, ensuring it is seated correctly.
7. Reconnect: Securely attach the fuel lines and the wiring harness to the new pump.
8. Reassemble VST: Close the VST housing, making sure the seals or gaskets are properly aligned to prevent leaks.
9. Reinstall VST: Mount the VST assembly back onto the engine.
10. Prime System: Reconnect the battery. Prime the fuel system as specified in your engine's service manual.
11. Final Check: Before starting the engine, thoroughly inspect all connections for any signs of fuel leaks.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?
A: This pump fits specific Mercury/Mariner 75-115 HP EFI 4-Stroke outboards from 2000-2006. It is critical to verify your engine's serial number against the ranges provided in the compatibility table (0G960500 through 1B366822 for most models). For Yamaha cross-compatibility, check your model and year against the F75-F115 (2000+) listings.

Q: Where does this fuel pump get installed?
A: This is an internal low-pressure fuel lift pump. It must be installed inside the Vapor Separator Tank (VST) on the engine block.

Q: What are common signs that my old fuel pump is failing?
A: Symptoms of a bad VST lift pump include difficulty starting the engine, intermittent stalling (especially at idle), engine hesitation under acceleration, and a general loss of top-end power.

Q: Is this a direct replacement for Yamaha part 68V-24410-00-00?
A: Yes, our pump is listed as a direct aftermarket replacement for Yamaha part numbers 68V-24410-00-00 and 6D8-24410-00-00.

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.