A-163670A-AI T Boot, Fuel Injection Return (12 pk)12 Pack New Aftermarket Replacement Fuel Injection Return T Boot Fits John Deere, Oliver, White, Minneapolis Moline, and Cockshutt Tractors This fuel injection return line T boot seals the return fuel line at the injector, preventing fuel leaks and keeping the injection system operating properly. Sold as a pack of 12 boots, this is the correct replacement for a wide range of Fits John Deere, Oliver, White, Minneapolis Moline, and Cockshutt equipment