Fuel Line Connector – Fits Yamaha 6-90 HP (Replaces 6G1-24305-06-00, 6Y1-24305-00-00, Sierra 18-80414)
Fuel Line Connector – Fits Yamaha 6-90 HP (Replaces 6G1-24305-06-00, 6Y1-24305-00-00, Sierra 18-80414) is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
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Fuel Line Connector – Fits Yamaha 6-90 HP (Replaces 6G1-24305-06-00...
Fuel Line Connector – Fits Yamaha 6-90 HP (Replaces 6G1-24305-06-00, 6Y1-24305-00-00, Sierra 18-80414) is backordered and will ship as soon as it is back in stock.
Product Details
This is a high-quality replacement Yamaha Fuel Line Connector (6G1-24305/6Y1-24305), designed for various Yamaha 6-90 HP 2-stroke and 4-stroke outboard engines. It facilitates a secure, leak-free connection for 1/4" (6mm) fuel lines on both the engine and tank side, ensuring reliable fuel flow for optimal performance.
This part is a direct interchange for Yamaha part numbers 6G1-24305-06-00, 6G1-24305-05-00, 6G1-24305-04-00, 6Y1-24305-00-00, 6Y1-24305-06-00, and Sierra 18-80414.
- Engineered as a direct OEM-quality replacement for easy installation.
- Constructed from ethanol-resistant materials compatible with gasoline and E85 blends.
- Features a quick-connect design for fast and secure fuel line attachment.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 6G1-24305-06-00 | |
| Yamaha | 6G1-24305-05-00 | |
| Yamaha | 6G1-24305-04-00 | |
| Yamaha | 6Y1-24305-00-00 | |
| Yamaha | 6Y1-24305-06-00 | |
| Sierra | 18-80414 | Aftermarket cross-reference |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
These connectors are widely used across Yamaha's small to mid-range outboard lineup.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Yamaha | Outboard | 6-90 | 2-Stroke & 4-Stroke | 6G1-24305-06-00 | Engine side female connector |
| Yamaha | Outboard | 6-90 | 2-Stroke & 4-Stroke | 6G1-24305-05-00 | Engine side female connector |
| Yamaha | Outboard | 6-90 | 2-Stroke & 4-Stroke | 6G1-24305-04-00 | Engine side female connector |
| Yamaha | Outboard | 6-90 | 2-Stroke & 4-Stroke | 6Y1-24305-00-00 | Tank side female connector |
| Yamaha | Outboard | 6-90 | 2-Stroke & 4-Stroke | 6Y1-24305-06-00 | Tank side female connector |
Technical Specs
- Product Type
- Fuel Line Connector/Pipe Joint
- Installation
- Direct replacement for OEM parts
- Fuel Type
- Gasoline, Ethanol blends up to E85, Diesel
- Connection
- 1/4" (6mm) Female
- Housing Material
- Metal, Plastic (ABS)
- Housing Color
- Black
- Dimensions
- Engine side (male): 72 x 30mm (2.83" x 1.18")
Female connector: 62 x 33mm (2.44" x 1.30") - Weight
- 0.03 kg (0.06 lb)
- Fitting Type
- Quick connect
- Other Attributes
- Weather and UV resistant, ethanol-resistant design
What’s in the Box
- 1 x Fuel Pipe Joint Comp. (6G1-24305-06-00/6Y1-24305-00-00)
Installation Notes
- Ensure the engine is turned off, cool to the touch, and in a well-ventilated area.
- Disconnect the boat's battery to prevent any accidental starts or sparks.
- Carefully relieve any pressure from the fuel system. Have a rag ready to catch any minor fuel drips.
- Depress the release mechanism on the old connector and pull it straight off the fuel fitting.
- Inspect the fuel hose for cracks or wear and replace if necessary.
- Firmly push the new fuel connector onto the fitting until it clicks into place.
- Tug gently on the connector to ensure it is securely locked.
- Reconnect the battery, prime the fuel system, and carefully check for any leaks before starting the engine.
Troubleshooting & FAQ
How do I confirm this connector fits my specific Yamaha outboard?
The best way is to match your existing part number to one of the numbers listed in our Part Number Matrix. This connector is widely used on 6-90 HP Yamaha outboards with 1/4" fuel lines, but always verify visually and by part number.
What's the difference between engine-side and tank-side connectors?
While they may look similar, part numbers can differ. This listing covers replacements for both, as indicated by the various part numbers (e.g., 6G1-series for engine side, 6Y1-series for tank side).
What are the signs of a failing fuel line connector?
Common signs include visible fuel leaks or a strong smell of gasoline around the engine, difficulty starting, stalling, or hesitation under acceleration. A connector that is cracked, brittle, or doesn't "click" securely into place should be replaced immediately.
How often should fuel line components be replaced?
There is no fixed interval, but regular inspection (at least annually) is crucial. Replace any fuel line component, including connectors, at the first sign of wear, cracking, brittleness, or leakage to prevent fuel system failures and fire hazards.
Is this connector resistant to modern ethanol-blended fuels?
Yes, this part is built with modern, ethanol-resistant materials to prevent premature drying, cracking, and degradation caused by fuels like E10 and E85.
OEM vs. Aftermarket?
This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.
Shipping speed & cost
We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.
Warranty & returns
Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.
Safety & Important Info
- Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement, not an OEM component.
- Professional installation is recommended for safety and performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
- Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
- Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.
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