Fuel Injector – Fits Mercury Outboard 25-30 HP EFI (Replaces 898101T74, 8M0091784)

Fuel Injector – Fits Mercury Outboard 25-30 HP EFI (Replaces 898101T74, 8M0091784)

This fuel injector is engineered for Mercury Marine 4-Stroke outboard engines, 25-30 HP EFI (Electronic Fuel Injection) models manufactured from 2006 onwards (serial number 0R106999 and up). It is a direct-fit component designed to restore fuel delivery efficiency and engine performance.

This part serves as a direct replacement for Mercury OEM part numbers 898101T74 and its successor, 8M0091784. The housing is constructed from a combination of metal and plastic to withstand the marine environment.

• Installation Method: Direct replacement
• Fuel Compatibility: Marine gasoline
• Connection Type: Integrated electrical and fuel connector

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 Injector

Installation Guide

1. Ensure the engine is off and the battery is disconnected.
2. Relieve fuel system pressure according to the manufacturer's service manual to prevent fuel spray.
3. Disconnect the electrical wiring harness from the fuel injector.
4. Carefully disconnect the fuel line. Use a rag to absorb any spilled fuel.
5. Remove the bolts or clips holding the fuel injector in place.
6. Gently twist and pull the old injector out of its port. Remove any old O-rings or seals from the fuel rail or intake.
7. Lightly lubricate the new O-rings with clean engine oil before installing them on the new injector.
8. Press the new injector firmly into the port until it is fully seated.
9. Secure the injector with its original mounting hardware.
10. Reconnect the fuel line and electrical connector securely.
11. Reconnect the battery, prime the fuel system, and check for any leaks around the injector before starting the engine.

Troubleshooting & FAQ

Q: How do I confirm this injector fits my Mercury outboard?

A: This injector is for 25-30 HP EFI 4-stroke models from 2006 and later. Verify your engine's serial number starts with 0R106999 or higher (0R165086 for JET models). You should also cross-reference your existing part number with 898101T74 or 8M0091784 to ensure a match.

Q: What are the common signs of a failed fuel injector?

A: Symptoms of a faulty injector include difficulty starting, rough or unstable idling, poor acceleration, a noticeable decrease in fuel economy, and engine misfires. Running a diagnostic scan may reveal specific fault codes related to the fuel injection circuit.

Q: Is this a genuine Mercury part?

A: This is an aftermarket replacement part, not an OEM component. It is manufactured to meet or exceed original equipment specifications for fit, form, and function, providing a reliable alternative to the dealer part.

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.