The John Deere R99693 O-Ring is an authentic OEM sealing component designed for critical applications in John Deere agricultural and construction machinery. Manufactured to precise specifications with an inside diameter of 41.275 mm, an outside diameter of 47.625 mm, and a thickness of 3.175 mm, this O-Ring provides a reliable, leak-proof seal for hydraulic systems, engine components, and other fluid connections. Its durable construction ensures long-lasting performance and maintains system integrity under demanding operating conditions. Essential for routine maintenance and repairs to prevent fluid loss and maintain optimal machine function across various John Deere tractor, combine, and sprayer models.