speed-control lever for Diesel Engine. Speed-control lever is just one spare part for lubrication and speed control system.The complete spare parts for lubrication and speed control system as following: NO.CodeName of part170-1710712M6*12 (GB5787-86) Bolt270-17187Oil filter cover370-17188Oil filter cover gasker470-1711314sealing ring 20*2.578/86-1711316sealing ring 20*2.65570-1702101oil filter ...