The John Deere TCU21931 Gauge is a genuine OEM replacement part designed for a wide range of John Deere equipment. This essential component provides accurate readings for various machine functions, maintaining optimal operational efficiency. It is compatible with Gator Utility Vehicles (825I, 825I S4, 855D, 855D S4, RSX850I, RSX860I, RSX860E, RSX860M, XUV825I, XUV825I S4, XUV855D, XUV855D S4, XUV865E, XUV865M, XUV865R), Commercial Walk-Behind Mowers (647A, 657A, 667A, 7H17, 7H19), Zero-Turn Mowers (Z915B, Z920M, Z920R, Z925M, Z930M, Z930R, Z950M, Z950R, Z960M, Z960R, Z970R), QuikTrak Mowers (652R, 652R EFI, 652R MOD, 661R, 661R EFI, 661R MOD), and Front Mowers (1550, 1570, 1575, 1580, 1585). With a weight of 0.12 kg and compact dimensions of 95 mm length, 51 mm width, and 51 mm height, it ensures a precise fit and durable performance.