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ZF12TX Automatic transmission accessories 1358 302 250
ZF
1358 302 250

Integral high carbon alloy steel blank, overall quenching and tempering heat treatment, high hardness and dimensional stability under long-term high torque vibration;
Double-step integrated forming design, precise step thickness to control standard axial clearance of main shaft bearing group;
Inner hole and outer circle precision grinding, ultra-low dimensional tolerance, no axial play after assembly;
Smooth chamfer transition on inner and outer edges, avoid scratching bearing inner ring and gear journal during installation;
Surface blackening anti-rust treatment, resistant to long-term erosion of high-temperature gear oil inside transmission housing;
Uniform surface finish without burrs, no oil blockage risk inside gearbox lubrication circuit;
Strict dimensional tolerance inspection, hardness test and long-cycle vibration fatigue test before delivery, stable positioning performance within -30℃~140℃ gearbox working temperature range.
Shiyan warehouse spot stock, deliver goods within 1–2 working days after payment; bulk wholesale orders take 3–6 working days, sea shipping cycle ranges from 8 to 22 days.


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.
