1.5 Inch Fuel Tank Cap with Wrench, 316 Stainless Steel

【316 Stainless Steel】Made of marine-grade 316 stainless steel, this filler cap resists saltwater corrosion, rust, and weathering for maximum durability in marine environments.
【Waterproof O-Ring】The integrated rubber seal ensures a perfect seal against the tank neck, preventing fuel vapor leaks and protecting the boat's fuel system from water, dirt, and moisture.
【Stainless Steel Retaining Chain】Equipped with a flexible safety chain, this part remains attached to the deck when unscrewed, preventing accidental drops into the water while refueling in port or marina.
【Slotted Cap with Key】The included key fits perfectly into the cap's slot for quick opening and secure locking, preventing unauthorized tampering while ensuring reliable access during fuel stops.
【Standard Fit 1.5 Inch】Designed for standard 1.5 inch openings with a 1.59 inch thread diameter, this cap is a precise direct replacement for tanks on motorboats, yachts, RVs and utility trucks.