The Baldwin BF7656 Fuel Filter was designed to protect your Mack Engine from harmful contaminants. ---Primary Spin-On Fuel Filter ---Integral Post Seal ---Heavy-Duty housing provides unmatched strength ---Deformation resistant steel coil spring maintains positive load pressure on the elements ---Heavy-Duty Baseplate prevents high pressure and vibrations from causing leaks ---Contains synthetic cellulose media designed to increase efficiency, durability and contaminant-holding capacity Application Summary: Trucks & Equipment with Mack AC, AC460P, AI, AMI, & E7-EUP Engines Cross Reference: Mack 483GB470M.