●The best tool for replacing crankshaft oil seal. ●No damage to oil seal and related parts. ●Easy to use.Helps to install the oil seals accurately.Save time and money. ●Oil seal genuine no: Front BZ4365E. Rear BZ4219E. ●Application range: ISUZU truck Engine model: 4HF1,4HG1,6HH1,6HK1