This high-quality aftermarket replacement air filter, identified by part number C14166/1 (HIFI FILTER NO) and cross-referenced as WIX 46389, is designed to provide excellent filtration for a wide range of agricultural and industrial machinery. As a non-original, compatible part, it offers a cost-effective alternative to OEM filters without compromising on performance. Engineered to capture harmful contaminants such as dust, dirt, and debris, this air filter helps protect your engine from premature wear, ensuring optimal performance and extending service life. It is a direct replacement for various OEM part numbers, including John Deere RE504826 and RE504827, New Holland 87300170, Donaldson P777868, and Mann & Hummel C 14166/1. Key dimensions include an outer diameter of 140 mm (5.51 inches), an inner diameter of 95 mm (3.74 inches) at the bottom, an inner diameter of 10 mm (0.39 inches) at the top, and a total height of 166 mm (6.54 inches). This aftermarket air filter is commonly found in John Deere 6000, 7000, and 8000 series tractors, as well as compatible Case IH and New Holland equipment. Choosing this aftermarket C14166/1 filter ensures reliable engine protection and efficient air intake for demanding operational conditions.