The New Holland 86537648 Hydraulic Adapter 12-10 is a steel part designed specifically for New Holland tractors produced between 1999 to 2019. This adapter includes an O-ring 167266 for secure connection and sealing. Compatible with models such as 3040, 3045, 3050, 45D, 50D, L465, L565, L865, LS140, LS150, LS160, LS170, LS180, LS190, LX465, LX485, LX565, LX665, LX865, LX885 and LX985, this hydraulic adapter ensures proper fit and functionality in heavy equipment applications requiring reliable hydraulic systems