Melling Engine Oil Pump

2002–2026 Chrysler, Dodge, Jeep, Ram 5.7L Hemi / 6.4L 392

10452HV

Overview:

The Melling 10452HV is a high-volume, high-pressure oil pump designed specifically for Chrysler, Dodge, Jeep, and Ram vehicles equipped with the 5.7L Hemi and 6.4L 392 engines. Engineered as a performance upgrade, this oil pump delivers a 12% increase in oil volume and an additional 10 PSI of oil pressure over stock units, ensuring superior lubrication under demanding conditions. Ideal for enthusiasts and professionals seeking enhanced engine durability and reliability, the 10452HV maintains consistent oil flow during high RPM operation, protecting critical engine components.

Manufactured in the USA, this pump combines advanced materials and precision engineering to provide dependable performance in both street and performance applications. It is a direct bolt-on replacement that fits a wide range of model years from 2002 through 2026, covering popular vehicles such as the Chrysler 300, Dodge Charger, Jeep Grand Cherokee, and Ram 1500 series.

Key Features:

The Melling 10452HV oil pump incorporates several key features designed to enhance engine protection and performance:

• 12% increase in oil volume compared to the M452 standard pump
• High-pressure spring installed, providing +10 PSI over stock oil pressure
• Optional standard pressure spring included for adjustable bypass pressure
• Hard coat anodized aluminum housing for superior corrosion resistance and durability
• Cast iron phosphate coated cover to improve wear resistance
• Screw-in relief valve plug for precise pressure adjustment
• Compatible with standard 7/8" diameter bolt-on oil pickup screen
• Uses 1.0 inch diameter stock bolt-on oil pickup tube with included O-ring seal
• Individually tested for pressure and flow under real engine operating conditions
• Steel rotor for reliable, long-lasting operation

Construction & Design:

The 10452HV oil pump features a robust cast aluminum housing that is hard coat anodized to resist wear and corrosion, extending the pump’s service life. The cover is made from cast iron with a phosphate coating, enhancing durability and reducing friction. The steel rotor inside the pump ensures consistent oil delivery and withstands the rigors of high-performance use. The relief valve is designed with a screw-in plug, allowing for precise adjustment of oil pressure to suit specific engine requirements. This combination of materials and engineering results in a pump that balances strength, reliability, and performance.

Installation & Fitment:

This Melling oil pump is a direct replacement for stock units on a wide range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi and 6.4L 392 engines. Installation requires no modifications, utilizing the factory mounting points and standard 1.0 inch diameter bolt-on oil pickup tube. The included O-ring ensures a proper seal for the oil pickup tube assembly. This pump is compatible with models from 2002 through 2026, including popular vehicles such as the Dodge Charger, Jeep Wrangler, Ram 1500, and Chrysler 300, making it a versatile upgrade for many applications.

What's Included:

• Melling 10452HV high-volume, high-pressure oil pump
• Optional standard pressure spring for adjustable bypass pressure
• O-ring for oil pickup tube assembly
• Pressure relief valve with screw-in plug installed
• Drive sprocket included

Ideal For:

This oil pump is ideal for performance enthusiasts, professional mechanics, and anyone looking to improve engine oil flow and pressure in Chrysler, Dodge, Jeep, and Ram vehicles with 5.7L Hemi or 6.4L 392 engines. It is especially suited for high-RPM driving, towing, or any demanding conditions where enhanced lubrication is critical to engine longevity and reliability.

Melling is an engine-parts manufacturer best known in performance circles for oil pumps, camshafts, and valvetrain/timing components. Their performance line focuses on parts that support stable oiling and durability—key foundations for high-RPM and high-load builds where lubrication and valvetrain control are critical.