Fuel Parts & Accessories
Engineered Marine Products 1399-39021 Preventive Maintenance Service Valve with O-Ring
Representative Photo, actual item may vary
Seachoice 20971 Replacement Fuel Filter 3-Pack for 20941 In-Line Filter 100 Micron
Representative Photo, actual item may vary
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RV & Marine Fuel Parts & Accessories: Keep Your Engine Running Clean
Whether you're navigating open water on a fishing boat or cruising down the highway in an RV, your fuel system is the lifeblood of your engine. Fuel parts and accessories encompass everything from the tank itself to the lines, fittings, valves, vents, sending units, and filtration components that move fuel safely and reliably from storage to combustion. Neglecting any one of these components can lead to poor engine performance, fuel leaks, or costly engine damage — making regular inspection and quality replacement parts essential for every boat owner and RV enthusiast.
What's Included in This Category?
Marine and RV fuel system components cover a broad range of parts, each playing a critical role in fuel delivery and safety:
- Fuel tanks — Permanent below-deck tanks and portable containers designed for marine-grade durability
- Fuel line assemblies & fittings — Connectors, barbed fittings, and hose assemblies that create secure, leak-free connections between your tank and engine
- Fuel sending units & gauges — Sensors that accurately relay fuel level readings to your dashboard instruments
- Anti-siphon valves & vents — Safety components that prevent accidental fuel siphoning and allow tanks to breathe properly
- Fuel filter/water separators — Critical filtration assemblies that remove water, dirt, rust, and other contaminants before they reach your engine
- Hold-down kits & tank accessories — Hardware that keeps tanks secure and properly positioned, even in rough conditions
Why Quality Matters in Marine & RV Fuel Systems
The marine and RV environment is uniquely demanding. Salt air, ethanol-blended fuels, temperature swings, and constant vibration all put stress on fuel system components. Low-quality parts are more prone to cracking, corrosion, and fuel contamination — risks that can leave you stranded far from shore or on a remote highway. Choosing components engineered specifically for these environments ensures long-term reliability and safety compliance.
When shopping for fuel parts, consider compatibility with ethanol-blended fuels (E10 or higher), the material construction of tanks and fittings (polyethylene and brass are common marine-grade choices), micron ratings for filters, and whether components meet U.S. Coast Guard or ABYC standards for your application.
Top Brands in Marine & RV Fuel Parts
Moeller is one of the most recognized names in marine fuel systems. For more than 25 years, Moeller Marine Products has been the industry standard in fuel system design and construction, with a reputation built on innovative engineering, quality construction, and award-winning service. Moeller specializes in rotationally molded fuel tanks, valves, fuel line fittings, senders, and accessories engineered to withstand marine environments and ethanol-blended fuels.
Racor is the go-to brand when it comes to fuel filtration and water separation. For over 40 years, Racor has engineered top-quality filters protecting marine diesel and gasoline engines from contaminants, with advanced water-separating filters that remove dirt particles and saltwater from fuel while trapping water below saturation levels. The Racor Marine Fuel Filter Water Separator Turbine Series is a UL-approved filtration system offering maximum protection of diesel engine components by effectively removing contaminants such as water, silica, sand, dirt, and rust.