Scepter Fuel Line Assemblies
Scepter Fuel Line Assemblies: Trusted by Boaters, Proven on the Water
When it comes to keeping an outboard motor running reliably, the fuel line assembly is one of the most critical—and often overlooked—components in the system. Scepter has built its reputation over more than 70 years as a global leader in marine fuel systems, and their fuel line assemblies reflect that same commitment to engineering quality and on-the-water reliability.
Scepter is an industry leader with 70 years of experience, producing products ranging from gas cans to portable marine gasoline containers. That deep heritage in fuel system design translates directly into their fuel line assemblies — products that are engineered to the same exacting standards as original equipment, not just approximate them. Scepter's commitment to quality was recognized by Yamaha Marine / Sanshin Industries, which awarded the company the prestigious "Vendor of the Year" title.
Engine-Specific Fit for Major Outboard Brands
One of Scepter's key strengths in the fuel line assembly category is breadth of fitment. Rather than offering a one-size-fits-all solution, Scepter engineers assemblies tailored to the connector specifications of the industry's most popular outboard engine manufacturers. Scepter's marine accessory lineup includes fuel line assemblies for Yamaha, BRP Johnson/Evinrude, and Mercury (1998 & Newer), as well as universal fuel line assembly kits. This means whether you're running a modern Mercury four-stroke or an older BRP two-cycle engine, there's a purpose-built Scepter assembly designed to mate properly with your tank and engine connectors.
For example, their Mercury-specific fuel line assembly is compatible with Mercury engines built in 1998 or after, and comes OEM compatible, as a complete ready-to-use kit with superior performance and reliability for both 2 & 4 cycle applications — and meets CARB/EPA standards.
What's Inside a Scepter Fuel Line Assembly Kit
Scepter's assemblies are designed to be complete, drop-in solutions. The universal kit, for instance, includes a 7-foot fuel hose with primer bulb, a 3/8" female tank-to-hose fitting, a 1/4" male NPT fuel tank fitting, and 2 stainless steel clamps. Every component in the kit is matched for compatibility, so there's no guesswork about which bulb or clamp to pair with which hose.
The materials used throughout the assembly are chosen for the marine environment specifically. Scepter assemblies use a compounded, tough, and pliable UV-resistant hose, a quality rubber primer bulb, and a built-in check valve. O-ring construction on all fittings ensures tight, leak-free connections — critical when operating on the water where any fuel leak presents both a safety hazard and a performance problem.
Compliance and Ethanol Compatibility
Today's marine fuels present unique challenges. Scepter's fuel line assemblies meet EPA/CARB requirements for low permeation and are designed to work with today's ethanol fuels — an important consideration as ethanol-blended fuels have become the norm at most fuel docks and marinas. Hoses and fittings that aren't ethanol-rated can deteriorate quickly, leading to cracking, swelling, and dangerous leaks.
High flow capacity ensures quick and efficient priming , which means less time cranking and more time on the water. Scepter's quality management system is certified to ISO 9001 , giving boaters confidence that every assembly leaving the factory meets consistent quality benchmarks.
The Right Assembly for Your Outboard
Scepter fuel line assemblies are ideal for small fishing boats, dinghies, and other small vessels , but the engine-specific lineup means serious boaters with any major outboard brand can find a properly engineered fit. If you're replacing a worn or cracked line, or building out a new portable fuel tank setup, Scepter's ready-to-use kits eliminate the complexity of sourcing individual components separately.