BCBC M452HV-389S Engine Oil Pump

High-volume oil pump for stock applications

This Melling engine oil pump, part number M452HV-389S, is built for applications that need increased oil flow and stable pressure control. It is a high-volume rotary pump with improved design features, made in the USA for Chrysler 300, Dodge Challenger, and Dodge Charger applications.

• High-volume design increases oil flow by an average of 12% over stock.
• Standard-pressure pump helps maintain dependable idle oil pressure.
• Aluminum housing with cast iron cover and steel rotor for durable construction.
• Precision-ground end plates support efficient pump operation and wear resistance.
• Includes gasket or seal, O-ring, pickup screen, and pump cover.

Detailed product overview

The M452HV-389S is engineered with modern gear and gerotor technology to deliver consistent oil movement under operating conditions. Melling tests each pump for pressure and flow, and the close-tolerance machining helps support correct pump function. For drivers searching for a Chrysler 300 oil pump, Dodge Charger oil pump, or Dodge Challenger oil pump, this part number M452HV-389S offers a high-volume replacement option for stock-style service needs.

Common issues this part can address

• Low oil pressure at idle.
• Reduced oil circulation in a worn engine.
• Inconsistent pump output from an aging oil pump.
• Need for a higher-volume replacement in a stock application.

Installation notes and quality

Verify engine application and pump specifications before installation. Confirm pickup tube diameter, mounting hole pattern, and related sealing surfaces during service. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Melling states that this pump is assembled to high production standards, individually tested for pressure and flow, and made in the USA.