The GRANIT 739AF4990 is a high-quality secondary air filter designed to provide superior engine protection by capturing fine dust and contaminants. This genuine GRANIT part ensures optimal air intake for various agricultural and construction machinery, extending engine life and maintaining performance. With an outer diameter of 76 mm, an inner diameter of 63 mm, and a height of 203 mm, it serves as a direct replacement for Fleetguard AF4990, Donaldson P822769, and other equivalent OEM numbers.