... Hongyan,etc. OEM parts Item Synchronizer body (for 3rd and 4th speed)Item No.1310 304 158Brand NameHYMaterial20CrMnTiBasic formForgingTechnologyZF TechnologyMatch ... S6-150/QJ1506, S6-160, QJ705, QJ805 and all of their spare parts.We supply transmission gearbox parts for Howo, Steyr ... , Ankai(AK), JAC, Zonda, Daewoo, Neoplan, Kaisiboaer, etc. Howo heavy duty truck ZF gearbox synchronizer hub 1310304158