Ensure longevity and performance of your Duramax with the PPE High Capacity Premium Efficiency Fuel Filter. This filter is designed to provide superior filtration via the 2-micron, 100-pleat, 6.25" tall filter. This fuel filter is a must-have for any Duramax owner looking to protect their engine and fuel system from harmful contaminants. The upgraded full aluminum half inch drain cock complete with rubber seal enables hassle free water drainage. The PPE Filter's nylon center tube provides robust support and built-in water separation, ensuring clean fuel and optimal engine performance. Use of the PPE-113059320 fuel filter mount spacer kit is required for installation.