BELT TENSIONING PULLEY FOR RIDE-ON MOWER LAWN MOWER COMPATIBLE LAWN MOWER TECHNICAL SPECIFICATIONS MODELS 12-38 HXL, 12-38 XL, 13-38 HXL, 13-38 XL, 14-38 HXL, 14-38 XL, 16-38 HXL, 16-38 HXE OUTER DIAMETER 104.7 mm INNER DIAMETER 9.5 mm HEIGHT 38.1 mm CODE: 31270303 ORIGINAL CODE: 132-4717 , 88-5630 SR