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1333304046 1333 304 046
ZF

OE Part No.: 1333 304 046 (1333304046)
Brand: ZF
Product Type: Manual Gearbox Synchronizer Assembly
Compatible Gearbox: ZF5S400V 5-speed medium-duty manual transmission
Applicable Vehicles: Foton Aumark and other medium commercial vehicles with ZF5S400V gearboxes
Material: High-strength alloy steel, copper alloy friction rings, precision heat treatment
Product Weight: approx 4.0kg (reference value, actual weight subject to specific part number version)
Function: Speed synchronization during gear shifting, eliminate rotational speed difference, reduce shift impact, prevent gear damage and abnormal noise
Category: ZF5S400V Medium Truck Gearbox Internal Synchronizer Spare Parts
Material & Advantages
Hardened alloy steel main body + copper friction synchro rings, stable friction performance, durable under repeated medium-load shifting cycles
Precision spline and tooth processing, perfect matching with original shaft gears and shift forks
Standard OEM dimensions for direct fit replacement during gearbox overhaul
Reduces shifting noise and jitter, improves shifting smoothness and extends gearbox service life
Adapted to urban and highway medium transport working conditions
Application
Replace when friction rings are worn/burnt, or symptoms include shift grinding, stiff shifting, slow gear engagement and abnormal noise
Overhaul the whole synchronizer assembly, check main shaft gears, bearings and shift forks together
Use specified ZF manual transmission gear oil, check oil cleanliness and oil level regularly
Reassemble correctly and test drive to confirm smooth shifting with no abnormal noise
Avoid frequent aggressive shifting and continuous overloading to slow synchronizer wear


Gearboxes assembly include brand ZF, Eaton, FAST, Allison, DONGFENG, DC, Benz, volvo, HOWO, WLY etc. Gearboxes parts includegear, synchronizer, PTO, housing, bearings, shaft, top cover, sensors, wireness, repair kits... etc.
Our products have been exported to more than 50 countries and regions such as Korea, Chile, Russia, Kazakhstan, USA, Ecuador, Turkey, Iran, Africa, Latin America, etc., and have been unanimously recognized by customers.
In the future, we will be committed to creating higher-end quality and more intimate service. And a more comfortable customer experience to build Yongliwei company into an auto parts supplier with excellent corporate culture, scientific development concept and continuous innovation ability.

Shiyan Yongliwei Industry and Trading Co., Ltd. is a modern enterprise integrating design, development, production and sales of gearbox assembly and gearbox parts.
Our company was founded in Hubei province, China, and has been specialized the truck gearboxes in Chinese offline market for 21 years .Our parts are the leader of gearboxes area in the China now.
Our company was set up in the largest truck parts production base in the world –Shiyan city, Hubei, China, to meet the demand for products in the Asia and South American markets, a professional international trade sales team was born in Hubei in 2021.
Shiyan Yongliwei is focusing on creating high quality, high technology and high standard gearboxes and its parts.

* 8000 square meters of large warehouse.
* To provide you with convenient, fast and low-cost e-commerce one-stop service.
Shiyan Yongliwei Industry and Trade Co., Ltd. was established in 2001, located in Shiyan City, Hubei Province.
Our gearbox covers brand ZF, Eaton, FAST, Allison, DONGFENG, DC, Benz, volvo, HOWO, WLY etc. Series ZF5S ZF5HP ZF6S ZF6AP ZF6AS ZF6HP ZFS6 ZF9S ZF9AS ZF12AS ZF12TX ZF16S WSK; EATON:ETA RTX TX FS6 MRT; FAST:6DS 7DS 8JS 9JS 10JS 12JS 16JS C16JSD; VOLVO:TV211, VT2214, DONGFENG:DT, DF6S DF5S DF8S; QJ:QJ805 QJS6; Datong: LC5T88, HC, CA5, CA6, 5T; HOWO:lHW907, MTX, etc.
Our products include gearbox assemblies and their parts, such as: gears, synchronizers, PTO, housings, bearings, shafts, top covers, sensors, wires, repair kits... including .
With 19 years of gearbox experience, a spare parts warehouse of 5000㎡, a professional team, and high-quality after-sales service, your inquiry will be our top priority.
