Product Description 1. 6-ft Rubber Fuel Tank Straps: Our heavy-duty fuel tank seal strap Insulator is typically 4 inches wide and 6 feet (72″ length), and can be cut to your ideal length. Rubber guard for diesel fuel tank band is designed to be universally compatible with all semi truck 4″ fuel tank straps bracket. 2. Fits Most Trucks: Protect your semi-truck’s fuel tank, works with semi-trailers, tankers, and heavy-duty rigs. The universal fuel tank strap isolator is designed to fit all makes and models that have a 4-inch-wide fuel tank strap. Compatible with Freightliner, Peterbilt, Kenworth, Volvo, Mack, International, and more semi-trailer trucks. .