The John Deere AH126036 is a genuine OEM refrigerant hose assembly designed for various John Deere 40-series and 80-series tractors. This essential component ensures the proper flow of refrigerant within the air conditioning system, maintaining efficient cooling performance. It is a direct replacement part, ensuring compatibility and reliable operation for models including 4050, 4250, 4450, 4650, 4850, 8430, 8630, 8440, 8640, 8450, 8650, 8850, 4055, 4255, 4455, 4555, 4755, 4955, 4560, 4760, 4960, 8560, 8760, 8960, 8570, 8770, 8870, and 8970.