The Fiatagri 5135294 retaining ring, also known as a circlip, is an authentic OEM component designed for securing parts within agricultural machinery. This precision-engineered ring measures 42 mm in outer diameter, 38 mm in inner diameter, and 1.5 mm in thickness, ensuring a secure fit. It is compatible with a wide range of Fiatagri 90-series tractors, including models 55-90, 60-90, 65-90, 70-90, 80-90, 85-90, 90-90, 100-90, 110-90, 115-90, 130-90, 140-90, 160-90, and 180-90. Additionally, it fits New Holland L-series tractors such as L60, L65, L75, L85, and L95, providing reliable performance and maintaining structural integrity.