ACL Oil Pump for Nissan SR20DE/DET 1998cc 4-Cylinder US Spec OPNS1045

ACL Oil Pump for Nissan SR20DE/DET (1998cc) — US Spec OPNS1045 Fitment: Direct replacement for Nissan SR20DE and SR20DET 1998cc 4-cylinder engines — US specification only . Not compatible with JDM engines. This ACL oil pump (OPNS1045) is engineered to restore correct oil pressure and flow in your SR20DE/DET engine, delivering reliable lubrication for bearings, camshafts, and turbo systems. Built to meet OEM tolerances, it provides durable performance for daily drivers and tuned applications alike. Reliable OEM fit: Precise dimensions and mounting points ensure straightforward installation. Consistent oil pressure: Improves engine longevity and reduces risk of oil starvation under load. High-quality construction: Durable materials and accurate machining for long service life. Direct replacement: Designed specifically for US-spec SR20DE/DET 1998cc engines — check engine code before ordering. Note: Confirm your engine is a US-spec SR20DE or SR20DET 1998cc before purchase. This unit will not fit JDM-spec variations or engines with nonstandard modifications affecting oil pump fitment.