Fuel Line Connectors

Fuel Line Connectors
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Upgrade Your Fuel System with EPA-Compliant Fuel Line Connectors

West Marine offers high-quality fuel line connectors that meet strict EPA standards for marine fuel systems. Whether you’re outfitting a new outboard engine or replacing old components, our fuel line assemblies provide leak-free performance, easy priming, and safe fuel handling in any marine environment.

Complete Connector Kits for Outboard Motors

Our fuel line connector kits include everything you need for a clean, compliant installation—low-permeation fuel hose, sprayless connectors, a primer bulb, and a fuel demand valve (FDV). These systems are designed for use with a wide range of outboard motor brands and eliminate spills during connection and disconnection.

Engineered for Environmental Compliance

All connectors and fuel lines are built to EPA-mandated specifications that minimize fuel vapor emissions. This not only protects the environment but also helps reduce fuel loss and vapor hazards on board. These systems have been the standard for new boats and fuel systems since 2011.

Fuel Demand Valve Improves Efficiency

The included FDV ensures optimal fuel flow control and prevents over-pressurization or flooding of the engine. This makes starting your motor easier and keeps the system functioning efficiently across a variety of weather and sea conditions.

Designed for Easy Installation and Compatibility

Each fuel line connector assembly is compatible with major brands like Mercury, Yamaha, Honda, Suzuki, and Evinrude. With universal fittings and straightforward installation, even DIY boaters can upgrade their fuel systems with minimal effort.

Whether you need a full replacement or a single component, West Marine has the compliant fuel line parts to keep your outboard system reliable and ready for the season. Trust our 50+ years of marine expertise to help you stay on the water with confidence.

Fuel Line Connectors FAQ

Fuel line connectors come in quick-connect, threaded, and slip-fit styles. They create a secure, sealed link between the engine and fuel line, and your choice depends on your engine model and fuel system setup.

Check the inner diameter of your fuel line and engine port specifications. Most marine connectors are labeled for size compatibility—choosing the right size prevents leaks and ensures proper fuel flow.

Yes. Most marine-grade fuel line connectors are compatible with gasoline, diesel, and ethanol blends. Just ensure your specific model is rated for the fuel type you're using to avoid degradation or performance issues.

Yes. Most connectors feature push-fit or threaded designs for quick, secure attachment. Make sure all clamps are tight and the fuel line is free of cracks or blockages before operation.

Inspect connectors every season and replace them every 2–3 years or sooner if you see signs of cracking, leaking, or fuel odors. Regular maintenance ensures reliable fuel delivery and safer boating.

Yes. Just make sure the connector matches your hose size and engine fitting. Universal kits often include multiple end fittings for compatibility with a range of aftermarket and OEM fuel systems.

FDVs regulate fuel flow from the tank to the engine, preventing flooding or pressure buildup. They're especially important in EPA-compliant systems where pressurized fuel lines could otherwise leak or fail.

A primer bulb allows you to manually draw fuel into the line before starting the engine. It’s essential for priming the system and is especially useful after long periods of non-use or when switching fuel tanks.

Yes. Sprayless connectors are designed to prevent drips and leaks during connection and disconnection, keeping your boat clean and protecting the environment from fuel spills.

West Marine carries replacement connectors, hoses, clamps, and FDVs. Visit your local store or ask our associates for help finding parts that fit your outboard engine and fuel system requirements.
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