Melling Hi-Perf Standard Volume Rotary Oil Pump

2009–2025 Chrysler, Dodge, Jeep, Ram 5.7L / 6.4L HEMI & SRT Engines

Part #: 10452

Overview

The Melling 10452 High Performance Standard Volume Rotary Oil Pump is engineered to provide reliable, high-pressure oil flow for Chrysler, Dodge, Jeep, and Ram vehicles equipped with powerful 5.7L and 6.4L HEMI and SRT engines. Designed as a direct replacement and upgrade over stock oil pumps, it ensures consistent lubrication under demanding RPM and load conditions, making it an excellent choice for enthusiasts, mechanics, and restorers seeking enhanced engine durability and performance.

Built to meet the rigorous demands of engines such as the 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat, this pump maintains optimal oil pressure and volume, supporting engine longevity and peak performance across a wide range of driving scenarios, from daily driving to high-performance street and track use.

Key Features

This high-performance oil pump combines advanced materials and precision engineering to improve oil delivery and durability. Key features include:

• Standard volume design offering a high-pressure performance upgrade over Melling M452 and M462 models
• Hard coat anodized aluminum housing for superior corrosion resistance and enhanced heat dissipation
• Cast iron phosphate coated cover to increase wear resistance and extend service life
• Adjustable by-pass pressure with included higher pressure relief springs (+20 psi for M452 and +10 psi for M462), plus optional lower pressure springs for fine-tuning oil pressure
• 1-inch diameter bolt-on oil pickup screen with included O-ring for secure sealing and optimal oil filtration
• Durable billet steel rotor designed for consistent oil flow and mechanical strength under high-stress conditions
• Four mounting holes with precise 0.350-inch diameter for direct bolt-on fitment
• Individually tested for pressure and flow under real engine operating conditions to ensure quality and reliability

Construction & Design

The Melling 10452 oil pump features a robust cast aluminum housing that is hard coat anodized to resist corrosion and improve thermal management. The cover is constructed from cast iron with a phosphate coating, enhancing durability against wear and chemical exposure. Internally, a billet steel rotor provides exceptional strength and longevity, ensuring consistent oil flow even under high RPM and load.

The adjustable relief valve incorporates a threaded pressure plug instead of a traditional cup plug, allowing precise tuning of oil pressure with included or optional springs. This design flexibility enables customization to match specific engine requirements or performance modifications.

Installation & Fitment

The Melling 10452 is a direct-fit replacement designed for straightforward installation on a wide range of Chrysler, Dodge, Jeep, and Ram vehicles from 2009 through 2025. Compatible models include:

• Chrysler 300 (2009–2012 5.7L, 2014–2023 5.7L, 2012–2014 6.4L)
• Dodge Challenger (2009–2023 5.7L, 2011–2023 6.4L)
• Dodge Charger (2009–2023 5.7L, 2012–2023 6.4L)
• Dodge Durango (2009–2010, 2011–2018, 2021–2023 5.7L; 2018–2024 6.4L)
• Dodge Ram 1500/2500/3500 (2009–2010 5.7L, 2011–2023 5.7L, 2014–2025 6.4L)
• Jeep Commander (2009–2010 5.7L)
• Jeep Grand Cherokee (2009–2023 5.7L, 2012–2021 6.4L, 2021–2024 L 5.7L)
• Jeep Grand Wagoneer (2022–2023 6.4L)
• Jeep Wrangler (2021–2024 6.4L)

No modifications are typically required for installation. The included O-ring for the oil pickup tube ensures a secure, leak-free seal. Professional installation is recommended to verify proper torque and alignment for optimal pump performance and longevity.

What's Included

• Melling 10452 High Performance Standard Volume Rotary Oil Pump
• O-ring for oil pickup tube assembly
• Higher pressure relief spring installed (+20 psi for M452 or +10 psi for M462)
• Optional lower pressure relief spring for adjustable bypass pressure
• Oil pump gasket

Ideal For

This oil pump is ideal for performance enthusiasts, professional mechanics, and vehicle restorers who demand reliable oil pressure and flow in Chrysler, Dodge, Jeep, and Ram vehicles equipped with HEMI and SRT engines. It is well suited for applications ranging from daily driving to high-performance street and track use, providing enhanced engine protection and longevity under increased RPM and load conditions.

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.