BELT TENSIONING PULLEY FOR RIDE-ON MOWER LAWN MOWER COMPATIBLE WITH CASTELGARDEN STIGA TECHNICAL CHARACTERISTICS CASTELGARDEN MODELS : XK4 160 HD STIGA : PARK 340 GX , PARK 340 PWX , PARK 340 PX , PARK 540 DPX , PARK 540 PX , PARK 740 PWX , PARK PRO 340 IX , PARK PRO 540 IX , PARK PRO 740IOX OUTER DIAMETER 101 mm INNER DIAMETER 10 mm HEIGHT 28 mm CODE: 31270319 ORIGINAL CODE: 387605010/0 , 1134-3663-01 SR