Tank Hold Down/Installation Kits
Why Fuel Tank Hold Down & Installation Kits Matter
On the water, a shifting or unsecured fuel tank is more than an inconvenience — it's a genuine safety hazard. Marine fuel tank hold down and installation kits are the hardware systems that keep portable and permanent fuel tanks locked firmly in place aboard boats and RVs, preventing dangerous movement that could lead to fuel leaks, spills, or fire. Whether you're dealing with rough chop on open water or the constant vibration of an outboard engine, the right hold-down kit is an essential part of any properly rigged vessel.
What's Included in a Hold Down or Installation Kit
Tank hold down and installation kits come in a range of configurations depending on the tank type and mounting location. Below-deck permanent installations typically use aluminum brackets or metal cradle straps that bolt directly to the hull stringers, while above-deck or portable tank setups rely on flexible poly straps, footman loops, and quick-release buckles for easy removal and replacement. Full installation kits may also bundle in deck fills, hose clamps, vent fittings, and fill hoses — everything needed to connect a new tank to the boat's fuel system from scratch.
Key things to consider when shopping this category include:
- Tank type: Permanent below-deck tanks require rigid bracket systems; portable tanks need flexible strap kits with quick-release hardware.
- Material compatibility: Look for corrosion-resistant materials — aluminum brackets, stainless steel hardware, and plastic-coated straps all hold up far better than bare steel in the marine environment.
- Tank size and circumference: Strap-style kits are often rated by the maximum tank circumference they can accommodate, so always verify fit before purchase.
- Regulatory compliance: Many states and localities require that fuel tanks be properly secured aboard vessels, making a quality hold-down kit a legal necessity as well as a safety one.
Top Brands in Marine Fuel Tank Hold Down Kits
Moeller is the category's dominant name, offering the broadest range of hold-down solutions for both permanent and portable marine fuel tanks. Their kits span aluminum bracket sets designed to fit Moeller's own rotationally molded tanks, to full cradle systems with plastic-coated metal straps that resist corrosion and cradle the tank securely from below. Moeller also offers comprehensive installation kits that bundle deck fills, hose clamps, vent fittings, and hose — making them a one-stop solution for a complete permanent tank installation.
BoatBuckle brings their trademark tie-down engineering to the fuel tank category with a durable gas tank tie-down kit built from 1.5" polypropylene webbing and a zinc-coated steel buckle, packed with polypropylene footman loops and stainless steel screws for permanent floor mounting. It's a straightforward, reliable solution for boaters who need to secure a portable tank quickly and confidently.
Sea-Dog Line is a longtime marine hardware staple, and their poly gas tank strap is a simple and dependable strap-style hold-down suited to a wide range of portable tank sizes. T-H Marine rounds out the field with their poly-strap hold-down kit featuring quick-release buckles that make removing and replacing a portable fuel container fast and hassle-free. Finally, Seachoice offers an accessible dual-strap fuel tank hold-down kit with mounting hardware included, giving budget-conscious boaters a complete and compliant securing solution.