Melling Engine Expansion Plug Kit

2002–2026 Chrysler, Dodge, Jeep, Ram 5.7L / 6.1L / 6.2L / 6.4L Engines

Part #: MPE-902BR

Overview

The Melling Engine Expansion Plug Kit is a complete solution engineered specifically for engine rebuilds on a wide range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with powerful Hemi and SRT engines. This kit includes all the necessary expansion and freeze plugs, along with pipe plugs, to ensure a thorough and reliable engine assembly. Whether you are rebuilding a 5.7L Hemi, 6.1L SRT8, 6.4L 392, or the high-performance 6.2L Hellcat and Trackhawk engines, this kit delivers precise fitment and dependable sealing to maintain engine integrity and prevent coolant leaks.

Designed for both professional mechanics and automotive enthusiasts, the Melling kit simplifies the rebuild process by providing high-quality plugs that meet or exceed original equipment specifications. Manufactured in the USA, it offers durability and peace of mind for long-lasting engine performance.

Key Features

This expansion plug kit is crafted to provide superior fit and function for your engine rebuild needs. Key features include:

• Precision engineered for optimum fit and leak-free sealing
• Manufactured from high-quality brass for consistent durability and corrosion resistance
• Includes both expansion/freeze plugs and pipe plugs required for a complete rebuild
• Designed to meet or exceed original equipment specifications for reliable performance
• Suitable for a wide range of Chrysler, Dodge, Jeep, and Ram engines from 2002 through 2026
• Combination of press-fit and screw-in attachment types for secure installation
• Standard grade replacement parts engineered for long service life
• Made in the USA, ensuring quality manufacturing standards

Construction & Design

The Melling Engine Expansion Plug Kit features plugs primarily constructed from premium brass, chosen for its excellent corrosion resistance and durability in demanding engine environments. Each plug is precision stamped and formed to ensure a tight, leak-proof fit within the engine block’s water jackets and other critical areas. The kit includes a combination of press-fit and screw-in plugs, tailored to the specific engine design for secure attachment.

Engineered to withstand thermal expansion and contraction cycles, these plugs maintain coolant system integrity by preventing leaks and ensuring reliable sealing throughout the engine’s operating life. The high-quality materials and manufacturing processes guarantee long-lasting, worry-free performance for your engine rebuild.

Installation & Fitment

Installation of the Melling expansion plugs is straightforward and designed to fit directly into factory locations without any modifications. This kit covers a broad range of vehicles, including:

• 2005–2024 Chrysler 300 (5.7L, 6.1L, 6.4L)
• 2002–2010 Dodge Ram 1500, 2500, 3500 (5.7L)
• 2011–2026 Dodge Durango (5.7L, 6.4L)
• 2006–2023 Dodge Charger and Challenger (5.7L, 6.1L, 6.2L, 6.4L)
• 2005–2008 Dodge Magnum (5.7L, 6.1L)
• 2006–2010 Jeep Commander (5.7L)
• 2005–2022 Jeep Grand Cherokee (5.7L, 6.1L, 6.4L)
• 2005–2026 Jeep Wrangler, Wagoneer, Grand Wagoneer
• 2011–2026 Ram 1500, 2500, 3500 (5.7L, 6.4L)

No special tools or modifications are required, making this kit an efficient and reliable choice for engine rebuilders seeking OEM-quality replacement plugs.

What's Included

• Complete set of brass expansion and freeze plugs for listed engine applications
• Pipe plugs required to finish the engine rebuild
• Combination of press-fit and screw-in plugs for proper fitment
• Packaging designed for easy identification and organization during installation

Ideal For

This Melling Engine Expansion Plug Kit is ideal for automotive professionals, engine rebuilders, and performance enthusiasts working on Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L Hellcat or Trackhawk engines. It is perfect for those seeking a reliable, high-quality replacement kit that simplifies the rebuild process and ensures long-term engine durability and leak-free operation.

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.