3A751-70520 is an OEM Kubota Front Lower Right-Hand (RH) Cab Glass.

• Part Type: Front Lower Right-Hand Window Glass

• Compatibility: Fits Kubota M-Series tractors equipped with cabs, including the M4900, M5700, M6800, M8200, M9000, and M105SDTC.

While that exact OEM part number doesn't have active listings in the standard consumer shopping feed right now, here are a couple of similar aftermarket lower glass options for other M-Series models if you are looking for alternative inventory:

The Lower Right Windshield Glass for Kubota Tractor M5040, M6040, M7040, M8540, M9540 is a direct fit for slightly newer M-Series models. It is made from tempered safety glass and is tinted green to match the original factory look.