Unbranded - WST1975 - Air Filter = AF25322

The Unbranded WST1975 is a high-quality aftermarket safety air filter designed to provide secondary filtration and protect engines from harmful contaminants. It serves as a direct equivalent to the Donaldson AF25322 and various OEM part numbers, ensuring optimal engine performance and longevity by providing clean air intake. This filter is commonly used in a range of agricultural and construction equipment, including John Deere 6D series tractors, Case IH Farmall C series, and New Holland T4 series tractors, where it functions as a critical component of the air intake system.