Front of top ear to first belt groove measures 1.905 (48.8mm).IMPORTANT NOTE: This compressor must be charged while the engine is not running. Using the engine to pull refrigerant will result in compressor damage.It is recommended the compressor be drained of all oil and the correct type/amount of oil be installed in the machine to OEM specifications.The 882012412 Nippondenso SV07E Compressor, w/ 6 Groove Clutch - New fits equipment brands such as: Kubota