Weichai 612600190332 Turbocharger Assembly JP90S

The Weichai 612600190332 turbocharger utilizes the JP90S frame size, designed specifically for Weichai WD12 and WP12.380CNG diesel engines. It features a pneumatic wastegate actuator for boost pressure control and a water-cooled bearing housing for thermal management under high exhaust gas temperatures. The unit integrates a compressor wheel and turbine wheel assembly optimized for the 12-liter displacement engine operating range. This assembly serves as a direct OEM replacement for Weichai part number 612600190332, ensuring correct rotor dynamics and flange alignment for the engine exhaust manifold and intake piping. Cross-reference identifiers include the turbocharger model designation JP90S and the Holset/Weichai joint venture manufacturing code 00JP090S001. The component is applicable to Weichai WD618, WD12, and WP12 engine series found in heavy-duty commercial vehicles and construction equipment.