This oil pump housing assembly is precision-cast from high-strength aluminum alloy, equipped with high-quality wear-resistant oil seal and pressure-regulating valve. Precision-machined mounting holes and oil passages ensure perfect assembly matching and stable oil pressure control. It features excellent structural rigidity and heat dissipation performance, effectively preventing oil leakage and supporting normal operation of the engine lubrication system. Strictly manufactured to OEM standards, it is a reliable replacement part for automotive engine maintenance.