The right fuel hose keeps your boat’s engine running smoothly and safely. This guide gathers top marine fuel tank hoses and related line kits, covering flexibility, materials, and fittings for common US boats. Each option below is sourced from reputable brands and designed to handle gasoline, diesel, and blended fuels in marine environments. Compare durability, permeability, and compatibility to choose the best fit for your vessel.
| Product | Key Feature | Length / Size |
|---|---|---|
| CONTINENTAL 58524 | 1.5″ ID, 48″ length; 2-Ply synthetic with helix wire | 48″ / 1.5″ |
| Attwood 93806MUS7 | Sprayless connector; low-permeation hose | 6 ft / 3/8″ |
| BARTOO 3/8″ Assembly | Low permeation; includes primer bulb | 6 ft / 3/8″ |
| Sierra 116-355-1124 | Designed to minimize fuel loss; flexible | 12.5 ft / 1.5″ |
| Five Oceans FO4911 | Complete kit; Mercury compatibility | 6 ft / 3/8″ |
Note: When selecting a hose, verify compatibility with your engine type, fuel, and tank fittings. Always follow marine safety guidelines and local regulations for fuel line installations and replacements.
Continental Fuel Fill and Marine Exhaust Hose — 1.5″ ID, 48″ Long
Brand: Continental. This hose is designed for gasoline, methanol, ethanol, and diesel fuels in marine applications such as fuel filler necks, tank vents, and exhaust hoses. It features a 1.5-inch inner diameter and a 48-inch length, built with a 2-Ply synthetic layer and helix wire for rigidity and reliability in harsh marine conditions. Suitable for general fuel transfer and venting tasks on boats, RVs, and other marine equipment requiring robust fuel lines.
Attwood Marine Fuel Line Kit with Sprayless Connector
Brand: Attwood. Includes an award-winning sprayless connector to prevent dangerous fuel sprays during connections. The kit features a multi-layer low-permeation primer bulb and a 60% higher fuel output versus competitors. It comes with a 3/8-inch low-permeation fuel hose resistant to kinking and hardening and rated up to 100°C, suitable for reliable marine fuel line connections and safe operation.
BARTOO 3/8″ Nylon Braided Fuel Line Assembly
Brand: BARTOO. This 3/8-inch nylon braided fuel hose assembly includes a primer bulb and 6 feet of hose with 360° stainless steel hose clamps. It is compatible with ethanol-blended fuels and is designed for universal fitment across boats, RVs, tractors, and caravans. The kit emphasizes low permeation and reliable priming for efficient fuel delivery in marina and on-the-road applications.
Sierra 116-355-1124 Boat Fuel Tank Hose
Brand: Sierra. A 1.5″ x 12.5′ hose designed to maximize fuel efficiency by minimizing fuel loss and improving flow. Its flexible design allows installation in tight radii, suitable for a variety of marine fuel tank configurations. Constructed to withstand harsh marine environments, it offers durability and reliable performance season after season.
Five Oceans FO4911 Mercury Marine Fuel Line Kit
Brand: Five Oceans. This complete kit includes a 6-foot, 3/8-inch low-permeation hose, a premium primer bulb, Mercury female quick connectors, and stainless steel hose clamps. It’s designed to fit Mercury engine ends and tank ends pre-1998, offering dependable priming and secure connections for traditional Mercury setups and older installations requiring compatible fittings.
Reswish 6FT Boat Fuel Line Kit with Primer Bulb
Brand: Reswish. A six-foot universal 5/16″ fuel hose assembly featuring a high-quality rubber hose, primer bulb, and stainless steel clamps. Promotes multi-directional refueling without restricting fuel flow and aims to reduce leaks in marine fuel line installations. Built to endure marine conditions with attention to aging and hardening resistance.
Attwood Acetal 3/8″ Barb Fuel Hose Fitting
Brand: Attwood. A barbed 3/8-inch I.D. tank fitting designed to mate with Attwood 8883-6 systems and similar Johnson/Evinrude/OMC configurations. Provides straightforward installation with hose clamps sold separately, ensuring a secure connection for gasoline transfer and venting in marine setups.
Buying Guide: Key Purchase Considerations
- Fuel compatibility: Confirm the hose is rated for gasoline, diesel, ethanol blends, methanol, or other fuels used on your vessel. Some hoses are designed for specific fuel types or blends; avoid cross-compatibility issues that could compromise safety or performance.
- Permeation and durability: Low-permeation hoses reduce vapor loss and emissions, which is important for efficiency and regulatory compliance. Look for reinforced layers or braided designs for durability against vibration and movement at sea.
- Fittings and clamps: Ensure hose size (ID) matches your fuel system fittings. Some kits include primer bulbs and clamps; others require separate purchases. Stainless steel clamps offer better corrosion resistance in saltwater environments.
- Primer bulbs and priming efficiency: A reliable primer bulb improves engine start and fuel delivery, especially after storage or long periods without use. Check for multi-layer or reinforced bulbs designed to resist collapse or wear.
- Installation compatibility: Some hoses are universal, while others are tailored for specific engines or tanks (e.g., Mercury pre-1998 configurations). Verify compatibility with your engine model, tank fittings, and available space.
- Rule compliance and safety: Use hoses that meet applicable marine standards and regulations. Installation should minimize leak paths and include secure mounting away from heat sources or ignition risks.
- Length and routing flexibility: Choose hose lengths that accommodate your boat’s layout with extra slack for movement. Flexible hoses with good bend radii simplify routing through compartments and bulkheads.
- Maintenance and replacement intervals: Inspect hoses regularly for cracks, hardening, or swelling. Replace per manufacturer guidance or whenever wear is evident to prevent leaks and fuel odors.
When selecting a kit, weigh the balance between kit completeness (prime bulb, clamps, and fittings) and the specific engine or tank end compatibility. For older Mercury systems, kits designed for Mercury-era fittings can simplify installation, while universal hoses offer versatility for mixed-use boats.