Mahle OE Moly Ring Set

2009–2017 Chrysler Dodge Ram Jeep 5.7L Hemi / 3.6L V6

Part #: 42108CP.010

Overview

The Mahle OE Moly Ring Set is engineered to meet or exceed original equipment standards for piston rings, delivering superior performance and durability for a wide range of Chrysler, Dodge, Ram, and Jeep vehicles equipped with 5.7L Hemi and 3.6L V6 engines. Designed for enthusiasts and professional mechanics alike, this piston ring set reduces friction and minimizes oil consumption, ensuring longer engine life and improved efficiency.

Whether you are rebuilding an engine or performing routine maintenance, Mahle’s OE Moly Rings provide reliable sealing and enhanced wear resistance, making them an ideal choice for maintaining optimal engine performance under demanding conditions.

Key Features

Mahle OE piston rings incorporate advanced technology to deliver exceptional results. Key features include:

• OE-quality construction for precise fit and reliable sealing
• Molybdenum coating reduces friction and wear on cylinder walls
• Optimized ring mass to improve engine efficiency and response
• Designed to minimize engine oil consumption for cleaner operation
• Durable materials that extend service life and reduce maintenance frequency
• Compatible with a broad range of Chrysler, Dodge, Ram, and Jeep engines
• Manufactured to meet stringent OEM specifications and tolerances
• Improves compression and combustion efficiency for consistent power delivery

Construction & Design

Mahle OE Moly Rings are crafted from high-grade steel alloys and feature a molybdenum coating that enhances wear resistance and reduces friction between the piston ring and cylinder wall. This coating helps maintain a tight seal under high temperatures and pressures, preventing blow-by and oil leakage. The rings are precision-engineered to exact OEM dimensions, ensuring perfect compatibility and ease of installation.

The design focuses on balancing durability with lightweight construction, which contributes to improved engine responsiveness and fuel efficiency. Each ring undergoes rigorous quality control to guarantee consistent performance and longevity.

Installation & Fitment

This piston ring set is designed for direct replacement on specified Chrysler, Dodge, Ram, and Jeep models from 2009 through 2017. Installation requires standard engine rebuild procedures, including proper piston ring end gap measurement and cylinder honing if necessary. No modifications are needed, making it suitable for professional shops and experienced DIY mechanics.

Ensure compatibility with your specific engine model before installation to achieve optimal results and maintain engine reliability.

What's Included

• Complete set of molybdenum-coated piston rings for one engine
• Compression rings and oil control rings matched for balanced performance
• Installation instructions and specifications (where applicable)

Ideal For

This Mahle OE Moly Ring Set is ideal for engine rebuilders, performance enthusiasts, and professional mechanics who require high-quality piston rings that deliver OEM-level performance and durability. It is especially suited for those maintaining or upgrading Chrysler, Dodge, Ram, and Jeep vehicles equipped with 5.7L Hemi or 3.6L V6 engines, including heavy-duty trucks, muscle cars, and SUVs.

Fitment Summary

• 2009–2010 Dodge Ram 2500, 3500 6.7L Diesel
• 2011–2017 Ram 2500, 3500 6.7L Diesel
• 2012–2014 Jeep Grand Cherokee 6.4L SRT8
• 2015–2017 Jeep Grand Cherokee 6.4L SRT
• 2012–2014 Chrysler 300 6.4L 392
• 2011–2017 Dodge Challenger 6.4L 392
• 2012–2017 Dodge Charger 6.4L 392
• 2014–2017 Ram 2500, 3500 6.4L 392
• 2015–2017 Dodge Challenger, Charger 6.2L Hellcat
• 2009–2010 Dodge Challenger, Charger, Jeep Grand Cherokee 6.1L SRT8
• 2011–2017 Chrysler 300, Dodge Challenger, Charger, Durango 5.7L Hemi
• 2009 Dodge Durango 5.7L Hemi
• 2009–2010 Dodge Ram 1500, 2500, 3500 5.7L Hemi
• 2009–2010 Jeep Commander 5.7L Hemi
• 2009–2017 Jeep Grand Cherokee 5.7L Hemi
• 2011–2017 Ram 1500, 2500, 3500 5.7L Hemi
• 2009–2010 Dodge Ram 1500 3.7L V6
• 2009–2010 Jeep Commander, Grand Cherokee 3.7L V6
• 2011–2017 Chrysler 300, Dodge Challenger, Charger, Durango, Jeep Grand Cherokee, Ram 1500 3.6L V6
• 2009–2010 Chrysler 300, Dodge Challenger, Charger 3.5L V6
• 2014–2017 Jeep Grand Cherokee, Ram 1500 3.0L EcoDiesel
• 2009–2010 Chrysler 300, Dodge Charger 2.7L V6

MAHLE Aftermarket supplies a broad range of OE-quality engine and service components—engine parts, filters, gaskets, and thermal management—supporting everything from stock maintenance to performance-minded rebuilds. It’s a trusted source when builders want reputable engineering and consistent quality for refreshes, reliability upgrades, and daily-driven performance projects.