Cometic Gasket Rear Main Seal Set

2002–2026 Chrysler, Dodge, Jeep Ram 5.7L Hemi / 6.1L SRT8 / 6.4L 392 / 6.2L SRT Hellcat

Part #: C5203

Overview

The Cometic Rear Main Seal Set is a precision-engineered solution designed to provide a reliable, leak-free seal between the crankshaft and engine block for Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L SRT Hellcat engines. This kit is ideal for both routine maintenance and high-performance applications, ensuring your engine remains protected from oil leaks that can cause costly damage.

Built to withstand the demanding conditions of high-output engines, the Cometic rear main seal set offers durability and long-lasting performance. Whether you are restoring a daily driver or upgrading a performance vehicle, this seal set delivers dependable sealing to maintain engine integrity and efficiency.

Key Features

Cometic’s Rear Main Seal Set combines quality materials and expert engineering to meet the rigorous demands of powerful engines. Key features include:

• Includes both rear main seal and matching gasket for complete installation
• Precision-engineered for a perfect fit and leak-free sealing
• Constructed from high-quality materials to resist wear and oil degradation
• Designed to handle high-output and performance engine conditions
• Compatible with a wide range of Chrysler, Dodge, Jeep, and Ram models from 2002 to 2026
• Ideal for OEM replacement or performance upgrades
• Helps prevent oil leaks that can lead to engine damage
• Maintains engine reliability and extends service intervals

Construction & Design

The Cometic Rear Main Seal Set is manufactured using premium elastomeric materials that provide excellent resistance to heat, oil, and mechanical wear. The seal’s design ensures a tight, durable fit around the crankshaft, preventing oil seepage even under extreme engine loads and temperatures. The included gasket complements the seal by creating a secure interface with the engine block, eliminating potential leak paths.

Cometic’s commitment to quality and precision machining guarantees that each component meets strict tolerances, ensuring consistent performance and ease of installation. This robust construction makes the seal set suitable for both stock and modified engines operating in demanding environments.

Installation & Fitment

The rear main seal set is designed for direct fitment on a broad range of Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, and 6.2L SRT Hellcat engines. Installation typically requires removal of the transmission and rear main seal housing, making it a job best suited for experienced mechanics or professional shops.

With the included gasket and precision-fit seal, the installation process is straightforward when following factory service procedures. No modifications are necessary, ensuring a reliable, OEM-quality repair or upgrade.

What's Included

• One high-quality rear main seal
• One matching rear main seal gasket

Ideal For

This Cometic Rear Main Seal Set is perfect for vehicle owners and performance enthusiasts who require a durable, leak-free seal for their Chrysler, Dodge, Jeep, or Ram equipped with Hemi or SRT engines. It is well-suited for:

• Routine maintenance and OEM replacement
• High-performance builds and engine upgrades
• Restoration projects requiring reliable sealing components
• Daily-driven vehicles needing long-lasting engine protection

Fitment Summary

This rear main seal set fits the following vehicles equipped with 5.7L Hemi, 6.1L SRT8, 6.4L 392, or 6.2L SRT Hellcat engines:

• 2002–2010 Dodge Ram
• 2004–2009 Dodge Durango
• 2005–2008 Dodge Magnum
• 2005–2010 Chrysler 300
• 2005–2010 Jeep Commander
• 2005–2010 Jeep Grand Cherokee
• 2006–2010 Dodge Charger
• 2008–2010 Dodge Challenger
• 2011–2014 Chrysler 300
• 2011–2014 Dodge Challenger
• 2011–2014 Dodge Charger
• 2011–2018 Ram 1500, 2500, 3500
• 2011–2021 Jeep Grand Cherokee
• 2011–2026 Dodge Durango
• 2015–2023 Dodge Challenger
• 2015–2023 Dodge Charger
• 2015–2024 Chrysler 300
• 2019–2024 Ram 1500
• 2019–2026 Ram 2500, 3500
• 2022–2026 Jeep Grand Cherokee

Cometic Gasket supplies high-performance sealing solutions for motorsports and high-stress engine builds, with a strong focus on modern gasket materials like multi-layer steel (MLS) head gaskets. Their catalog spans head gaskets and complete gasket sets across a wide range of applications, helping builders maintain reliable combustion and fluid sealing under extreme pressure and heat.