Suzuki OEM Part 12830-35G10 ADJUSTER ASSY, TENSIONER Application Information. 2017 Suzuki RMX450Z CAM CHAIN ADJUSTER ASSY, TENSIONER. 2018 Suzuki RMX450Z CAM CHAIN ADJUSTER ASSY, TENSIONER. If the part you are purchasing has been discontinued and superseded, you will almost always receive the superseded part number.