Require use of Fuel Filter spacer. Recommended PPE 113059320 Fuel Filter spacer or equivalent.? PPE High-Capacity Premium Efficiency Fuel Filter - the ultimate protection for your Duramax's fuel injection system. Engineered to deliver unrivaled protection, this advanced filter sets new standards in performance and reliability. Featuring a 100-pleat, 6.25-inch-tall extra fine 2-micron filtration media, the PPE Filter offers 75 percent more area than the stock filter. To enhance durability and longevity, we have upgraded the base plate to a full-aluminum design to replace the stock plastic component.
