Fuel Line Connector Kit – Fits Yamaha Outboard 6–90 HP (Replaces 6Y1-24305, 6G1-24305, Sierra 18-80414, 18-80413)
Fuel Line Connector Kit – Fits Yamaha Outboard 6–90 HP (Replaces 6Y1-24305, 6G1-24305, Sierra 18-80414, 18-80413) is backordered and will ship as soon as it is back in stock.
Worry-free returns
Worry-free returns
Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.
If the return is due to our error or a defective item, we’ll make it right.
Please contact us before returning any item.
Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Fuel Line Connector Kit – Fits Yamaha Outboard 6–90 HP (Replaces 6Y...
Fuel Line Connector Kit – Fits Yamaha Outboard 6–90 HP (Replaces 6Y1-24305, 6G1-24305, Sierra 18-80414, 18-80413) is backordered and will ship as soon as it is back in stock.
Product Details
This Fuel Line Connector Kit provides a reliable, direct-fit solution for a wide range of Yamaha Outboard engines from 6 to 90 HP, covering both 2-stroke and 4-stroke models. The kit includes both male and female quick-connect fittings, ensuring a complete replacement for worn or damaged connectors between your fuel tank and engine.
It serves as a direct interchange for Yamaha part numbers 6Y1-24305-06-00 and 6G1-24304-02-00, as well as Sierra equivalents like 18-80414. Engineered for durability, the components are resistant to modern ethanol-blended fuels and UV degradation.
- Installs directly without modification.
- Designed for gasoline, including ethanol-blended fuels.
- Includes one male (engine side) and one female (tank side) connector.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket brands.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 6Y1-24305-06-00 | Supersedes 6Y1-24305-05-00, 6Y1-24305-04 |
| Yamaha | 6G1-24304-02-00 | Supersedes 6G1-24304-01, 6G1-24304-10-00 |
| Sierra | 18-80414 | Aftermarket cross-reference for male connector |
| Sierra | 18-80413 | Aftermarket cross-reference for female connector |
Engine & Model Compatibility
Confirm your engine model in the table below. These connectors are designed for a broad range of Yamaha outboards.
| Brand | Model | Rated HP | Stroke | OEM Part No. | Notes |
|---|---|---|---|---|---|
| Yamaha | Various | 6-90 | 2- & 4-Stroke | 6Y1-24305-06-00 | Female connector, tank side |
| Yamaha | Various | 6-90 | 2- & 4-Stroke | 6G1-24304-02-00 | Male connector, engine side |
Technical Specs
- Product Type
- Fuel Line Connector Kit
- Installation
- Direct replacement, no modification needed
- Fuel Type
- Gasoline, including ethanol-blended fuels
- Connection
- 6mm (1/4 inch)
- Housing Material
- Rubber/Plastic Composite
- Housing Color
- Black
- Weight
- 0.06 kg (0.13 lbs)
- Fitting Type
- Quick-connect design
- Other Attributes
- Ethanol-resistant design, UV-resistant
What’s in the Box
- 1 x Female Fuel Line Connector (replaces 6Y1-24305-06-00)
- 1 x Male Fuel Line Connector (replaces 6G1-24304-02-00)
Installation Notes
- Ensure the engine is off and the area is well-ventilated. Disconnect the old fuel line from the engine and fuel tank.
- Cut the fuel line hose cleanly at the points where the old connectors were attached.
- Press the new female connector into the hose leading to the fuel tank and the new male connector into the hose leading to the engine.
- Secure each connector to the hose using an appropriate hose clamp (not included). Tighten securely but do not overtighten to avoid damaging the hose.
- Connect the new fittings to the engine and tank. Ensure the quick-connect fitting clicks into place to confirm a secure lock.
- Prime the fuel bulb until firm and check thoroughly for any leaks before starting the engine.
Troubleshooting & FAQ
How do I know if this connector kit will fit my specific Yamaha model?
This kit is designed for a wide range of 6–90 HP Yamaha outboards. The best method for confirmation is to compare the part numbers (6Y1-24305 for the female connector and 6G1-24304 for the male connector) with those listed in your service manual or on the original parts. Visual comparison is also highly recommended.
What are the signs that my fuel line connectors need replacing?
Common signs of failure include fuel leaks around the connector, difficulty starting or stalling (due to air leaks), a loose or poor connection, and visible cracks or degradation of the plastic or rubber material.
Is any special tool required for installation?
No special tools are needed. Installation typically requires a hose cutter or sharp utility knife to ensure a clean cut on the fuel line and a screwdriver or nut driver to tighten the hose clamps.
Are these connectors resistant to modern ethanol-blended fuels?
Yes, these connectors are made from a modern rubber and plastic composite that is specifically designed to resist the corrosive effects of gasoline with ethanol additives (like E10), preventing them from becoming brittle or leaking over time.
Can I buy just the male or female connector separately?
This listing is for a complete kit containing both the male and female connectors. We recommend replacing both simultaneously to ensure a perfect seal and prevent compatibility issues between new and old parts.
What is the difference between OEM and aftermarket parts?
This listing is an aftermarket replacement (not OEM). It has been built to meet or exceed OEM-level specifications using comparable, high-quality materials. Our parts are manufactured in an ISO 9002 certified facility and are batch-inspected for quality and consistency.
How fast is shipping and what does it cost?
We ship worldwide quickly—typical transit time is 5–15 days for most regions. Standard shipping is free, and expedited options will appear at checkout if they are available for your location.
What is the warranty and return policy?
This product is covered by a 1-year warranty against manufacturing defects under normal marine use. If you encounter any issues, please contact our support team with your order details. Returns are accepted within our standard window, provided the item is unused and in its original condition. See our full policy page or reach out for instructions.
Safety & Important Info
- Verify images and specifications against your original part before purchasing. If anything differs—even if your model appears compatible—do not purchase.
- This is an aftermarket replacement part, not an original equipment manufacturer (OEM) component.
- Professional installation is highly recommended for safety and optimal performance.
About Sea Sierra
- Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and rigorously tested for real-world conditions.
- Fast Global Fulfillment — We offer free standard delivery to most regions, with typical transit times of 5–15 days.
- Manufacturer-Direct Value — By working directly with manufacturers, we provide fair pricing without compromising on materials or quality control.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
