Sierra 18-80414 Fuel Connector, Replaces Yamaha 6G1-24305-05-00 / 6G1-24305-04, for Yamaha 6mm Fuel Line Outboards

The Sierra 18-80414 is a machined fuel connector built for use with Yamaha 6mm fuel line on a wide range of Yamaha outboard motors. It is the fitting that joins the fuel line to the engine's fuel system, and it is manufactured to a 1/4 inch (6mm) size to mate correctly with Yamaha 6mm fuel line. The connector has a machined exterior finish for a precise, durable fit at the connection point, helping maintain a secure seal in the fuel delivery system.

This connector is a direct replacement for the Yamaha OEM fuel connectors 6G1-24305-05-00 and 6G1-24305-04, and it is designed to mate with Sierra 18-8077-1 and 18-80415 fuel system components. It covers a broad Yamaha outboard fitment range spanning multiple horsepower classes and model years, including standard, C-series, F-series (four-stroke), and T-series (tiller) Yamaha outboards, making it a practical stocking item for anyone servicing multiple Yamaha engines.

Specifications

• Brand: Sierra
• Manufacturer Part Number: 18-80414
• Product Category: Fuel Connector
• Finish: Machined
• Size: 1/4 inch (6mm)
• Product Dimensions: 5.75 x 2 x 1.5 inches
• Weight: 0.09 pounds
• UPC: 808282227494
• Compatible Fuel Line: Yamaha 6mm fuel line
• Mates With: 18-8077-1, 18-80415

Fitment

Fits Yamaha outboards: 6 HP (1989, 1992-93), 8 HP (1984-85, 1989-93, 2001-02), 9.9 HP (1984-93, 2000-03), 15 HP (1984-93, 2000-03), 25 HP (1984-85, 1988-93, 2000-03), 30 HP (1984-87, 1989-93, 1999, 2001-02), 40 HP (1984-86, 1988-90, 1992-93, 2000-03), 50 HP (1986-93, 2000-03), 60 HP (2001-03), 70 HP (1984-93, 2000-03), 90 HP (1984-93, 2000-03), C25 (1991, 1993), C30 (1991-93), C40 (1991-93, 2000-02), C50 (2000-01), C55 (1991-93), C60 (2000-01), C70 (2000-01), C85 (1991-93), C90 (2000-01), E48 (2000), F6 (2001-03), F8 (2001-03), F9.9 (1985-93, 2001-03), F15 (1998-99, 2000-01), F25 (1998-99, 2000-03), F30 (2001-03), F40 (1999, 2000-03), F50 (1999, 2000-03), F60 (2002-03), T8 (2001-03), T9.9 (1991-93, 1999, 2001-03), T25 (2001-03), T50 (1999, 2000-03), T60 (2003).

Replaces (OEM)

• 6G1-24305-05-00
• 6G1-24305-04

Frequently Asked Questions

What does the Sierra 18-80414 fuel connector fit? The Sierra 18-80414 fits a wide range of Yamaha outboards including 6, 8, 9.9, 15, 25, 30, 40, 50, 60, 70, and 90 HP models, as well as C-series, F-series, T-series, and the E48, across multiple model years listed for each engine.

What OEM part numbers does the 18-80414 replace? It replaces Yamaha fuel connector part numbers 6G1-24305-05-00 and 6G1-24305-04.

What size fuel line does this connector use? The 18-80414 is sized 1/4 inch (6mm) and is designed for use with Yamaha 6mm fuel line.

How much does the 18-80414 fuel connector weigh? It weighs 0.09 pounds.

What are the dimensions of the Sierra 18-80414? The connector measures 5.75 x 2 x 1.5 inches.

What is the exterior finish of this fuel connector? It has a machined exterior finish.

Is the Sierra 18-80414 a genuine OEM part or aftermarket? The 18-80414 is a Sierra-manufactured fuel connector produced as a replacement for Yamaha OEM part numbers 6G1-24305-05-00 and 6G1-24305-04, not an original Yamaha-branded part.

Does the 18-80414 work with other Sierra fuel system parts? Yes, the 18-80414 mates with Sierra parts 18-8077-1 and 18-80415.

Does the F-series Yamaha outboard use the same connector as the standard models? Yes, the Sierra 18-80414 covers both standard Yamaha models (such as 25 and 40 HP) and the F-series four-stroke models (such as F25 and F40), as listed in its fitment range.

What is included with the 18-80414 fuel connector? The listing is for a single Sierra 18-80414 fuel connector.

Will the 18-80414 fit a Yamaha C-series outboard? Yes, the fitment for the Sierra 18-80414 includes Yamaha C-series outboards such as C25, C30, C40, C50, C55, C60, C70, C85, and C90 for the years listed.

Does the 18-80414 fit Yamaha tiller (T-series) outboards? It does; the Sierra 18-80414 fitment includes Yamaha T-series outboards T8, T9.9, T25, T50, and T60.