WG2220100027 Transmission Rear Housing is an original OEM matching part for Sinotruk, compatible with HW series transmissions of heavy-duty trucks such as Howo and A7.

Made of high-strength cast iron and integrally formed by precision casting, it features a solid structure with excellent impact resistance and pressure resistance, effectively withstanding vibration and impact under complex working conditions.

With high-precision end face machining, it delivers outstanding sealing performance, preventing oil leakage, dust and moisture ingress.

It is strictly matched with original factory dimensions in a 1:1 ratio with accurate mounting hole positions. No modification is required for installation, plug and play. It ensures stable operation of the transmission and extends its service life.