The BRIGGS & STRATTON 799324 Engine Fuel Tank Cap provides secure, reliable sealing to maintain proper fuel containment and consistent engine performance. Designed to fit compatible small-engine fuel tanks, this cap works by creating a tight closure that prevents leaks, minimizes fuel evaporation, and helps keep debris out of the system. Its durable construction supports long-term use... https://www.wholetoolbox.com/briggs-stratton-799324-engine-fuel-tank-cap