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Zf 16-speed transmission 16S2530 16S2230 16S2531 16S2231 Oil pump housing 1325 302 052
ZF
1325 302 052

High-pressure gravity cast aluminum alloy integral forming, internal oil passages cast as a whole without secondary welding, eliminating hidden oil leakage risks;
CNC precision machined pump gear installation cavity, perfect matching clearance with oil pump driving & driven rotors, stable rotation without eccentric wear;
Thickened reinforced rib structure on outer surface, outstanding anti-vibration and anti-extrusion performance, hard to crack under long-term full-load bumping on mountain and mine roads;
Standard OEM bolt hole layout, sealing flat surface, oil passage size and overall outline fully consistent with 1325302052, no cutting or grinding modification during installation;
Smooth inner oil channel wall without casting burrs, guarantee stable lubricating oil flow and avoid oil supply blockage;
Whole surface anti-oxidation passivation treatment, resist long-term corrosion of high-temperature gear oil inside gearbox;
Strict hydraulic pressure resistance, oil circulation flow and vibration fatigue test before delivery, stable lubrication performance under mine, mountain and long-distance full-load transportation conditions.


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.
