PULLEY COVER FOR RIDE-ON MOWER lawn mower COMPATIBLE CASTELGARDEN FOR PULLEY 31270021 TECHNICAL SPECIFICATIONS MODELS TC 92 , 102 , 122 OUTER DIAMETER 32.6 mm INNER DIAMETER - mm HEIGHT - mm CODE: 31270203 ORIGINAL CODE: 125109521/1 , 25109521/1 , 1136-0868-01 SR