... .High sealing,DIA:90*22mm Product Description ITEM:CLUTCH SERVO DZ9112230177 USE FOR HEAVY TRUCK MODEL. CLUTCH SERVOJUNTAI NO: JT1604XF ORG ... NO: DZ9112230177 DIA: 90mm*22mm AIR: M14×1.5 HYD:M14×1 ... focus on high quality items and aftermarket service! clutch servo DZ9112230177,clutch control parts,heavy truck series with long service life