West Marine Type A1 Fuel Hose 5/16" x 50' - USCG Approved Marine Fuel Line
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Premium Type A1 marine fuel hose designed for gasoline and diesel fuel systems on boats and marine engines. This 5/16" diameter, 50-foot fuel line meets USCG requirements and SAE J1527 Type A1 specifications for below-deck fuel applications.
Key Features
- USCG approved Type A1 fuel hose for marine applications
- 5/16" (8mm) inside diameter for standard fuel system installations
- 50-foot continuous length reduces the need for fittings and connections
- Compatible with gasoline, diesel, and ethanol-blended fuels (E10)
- Reinforced construction resists permeation and degradation
- Fire-resistant outer cover for enhanced safety
Applications
Ideal for fuel supply lines, fuel return lines, and fuel tank connections on inboard engines, outboard motors, and portable fuel systems. Suitable for both permanent installations and replacement fuel line projects.
Specifications
- Type: A1 (SAE J1527)
- Inside Diameter: 5/16" (8mm)
- Length: 50 feet
- Manufacturer: West Marine
- SKU: 365-0566
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.