DRIVER SIDE METAL FRONT BRAKE LINE FOR ALL 2.5 TON TRUCKS. 

THIS LINE IS THE HARD LINE YOU WILL FIND FASTENED TO YOUR FRONT AXLE ON THE LEFT SIDE BETWEEN THE DISTRIBUTION BLOCK AND THE BRAKE HOSE AT THE WHEEL. 

PART # 7529366 NSN 4710-00-752-9366, 4710007529366