Shields Hose Fuel Hose - Bulk

Shields Hose Bulk Fuel Hose: Marine-Grade Reliability by the Foot

When it comes to keeping a vessel's fuel system safe and compliant, few names carry as much authority as Shields Hose. Part of the SeaStar Solutions family of marine brands, Shields has spent decades engineering hoses specifically for the demanding conditions found aboard yachts and pleasure craft. Their bulk fuel hose lineup is a direct reflection of that expertise — purpose-built products that let builders, riggers, and DIY boaters cut exactly the length they need without sacrificing an ounce of performance or compliance.

Purpose-Built Fuel Hose Series

Shields organizes its fuel hose offerings into clearly defined series, each matched to a specific application in the marine fuel system. Two series stand out for bulk buyers:

• Series 368 – Low Permeation Marine Fuel Hose: This is Shields' flagship fuel-feed line. It features a plastic barrier veneer with a Nitrile (NBR) outer layer tube engineered to minimize fuel permeation, satisfying both EPA and CARB very low permeation requirements. The hose handles gasoline (including up to 85% ethanol-blended fuels), diesel, and all bio-diesel blends, making it universally compatible across outboard, inboard, and outdrive applications. It operates across a temperature range of -20°F to 212°F and carries certifications to ISO 7840 Type A1, SAE J1527 Type A1-15, USCG Type A1-15, and NMMA/CE standards. Its weather and UV resistance make it equally at home in open-cockpit installations. Continuous lengths up to 50 feet simplify large rigging jobs.
• Series 355 – Fuel Fill Hose (Type A2): Designed for fuel fill and vent runs, the 355 Series is a fire-retardant hose built around a high-nitrile tube that stands up to alcohol-enhanced gasoline and diesel alike. Two layers of high-strength synthetic fabric reinforcement deliver superior kink resistance — critical in the tight routing common on production boats. The series meets SAE J1527 Type A2 standards and holds USCG and NMMA certifications.

Why Bulk Format Matters

Purchasing fuel hose in bulk lengths rather than pre-cut segments is the preferred approach for boatbuilders, marine service yards, and serious owner-operators. It eliminates unnecessary joints — each fitting or splice in a fuel system is a potential leak point — and allows the installer to route hose with smooth, continuous bends suited to the specific vessel layout. Shields Hose's bulk-spool format pairs naturally with their well-documented application guides, which specify the correct series for every fuel system position from the tank to the engine.

Standards That Matter on the Water

Fuel hose on a boat isn't just a plumbing component — it's a safety-critical part subject to strict regulatory oversight. Shields Hose products are engineered to meet or exceed ABYC, NMMA, and USCG standards, giving owners and builders confidence that every foot of hose installed is technically compliant with current safety regulations. For fuel-system work in particular, this compliance is non-negotiable: a non-certified hose can mean a failed survey, a voided insurance policy, or — in the worst case — a fire at sea.

Whether you're re-plumbing a center-console's fuel feed with the permeation-controlled Series 368 or routing new fill lines on a cruising sailboat using the robust Series 355, Shields Hose bulk fuel hose provides the material quality and regulatory backing that the job demands. Explore the full Shields Hose brand catalog or browse all bulk fuel hose options to find the right series and diameter for your application.