WG22220100038 transmission rear housing is an original OEM spare part for Sinotruk, compatible with the transmission assemblies of multiple Howo and Sitrak heavy-duty truck models.
It is precisely cast from high-strength alloy material with a solid and stable integral structure, featuring excellent compression and impact resistance. It is not prone to cracking or deformation under long-term driving vibration.
The sealing end face is finely polished with high flatness. When matched with sealing parts, it can effectively prevent oil seepage and leakage.
The mounting holes strictly follow original factory standards for precise alignment, requiring no grinding or modification with great installation compatibility. It features high and low temperature resistance as well as corrosion resistance, suitable for complex working conditions such as mountain roads and long-distance transportation.











