Mahle OE Piston Ring Set

2005–2010 Chrysler 300, 2006–2010 Dodge Charger, 2006–2008 Dodge Magnum, 2006–2010 Jeep Grand Cherokee, 2008–2010 Dodge Challenger

42089CP.020

Overview:

The Mahle OE Moly Piston Ring Set is engineered to meet or exceed original equipment specifications for a range of popular Chrysler, Dodge, and Jeep models. Designed for enthusiasts and professional mechanics alike, these piston rings deliver superior sealing performance, reduced friction, and enhanced durability. Whether you are rebuilding an engine or performing routine maintenance, Mahle’s advanced piston rings help maintain optimal engine efficiency and longevity.

Built to the highest OE standards, this piston ring set is ideal for vehicles including the Chrysler 300 (2005–2010), Dodge Charger (2006–2010), Dodge Magnum (2006–2008), Jeep Grand Cherokee (2006–2010), and Dodge Challenger (2008–2010). These rings are precision manufactured to ensure a perfect fit and reliable performance under demanding conditions.

Key Features:

Mahle OE piston rings incorporate the latest technology to provide exceptional engine protection and performance benefits:

• Advanced molybdenum coating reduces friction and wear for longer service life
• Precisely engineered ring profiles ensure optimal sealing and compression
• Minimized ring mass contributes to improved engine responsiveness and efficiency
• Designed to reduce engine oil consumption and emissions
• Manufactured to meet strict OE tolerances for consistent fit and performance
• Durable construction withstands high temperatures and pressures
• Compatible with factory piston grooves for easy installation
• Improves overall engine reliability and power output

Construction & Design:

Mahle OE piston rings are crafted from high-grade steel alloys and feature a molybdenum-based coating that enhances wear resistance and reduces friction between the ring and cylinder wall. This coating technology helps maintain a tight seal over extended periods, preventing blow-by and oil leakage. The rings are precision machined to exact OE specifications, ensuring consistent ring gap and tension for optimal engine performance.

The design focuses on balancing durability with lightweight construction, reducing reciprocating mass to improve throttle response and fuel efficiency. Each ring is engineered to withstand the rigorous demands of high-performance and daily driving conditions alike.

Installation & Fitment:

This piston ring set is a direct replacement for the specified Chrysler, Dodge, and Jeep models, requiring no modifications for installation. Proper ring end gap measurement and cylinder honing are recommended to ensure the best sealing and longevity. Installation should be performed by a qualified technician or experienced enthusiast familiar with engine rebuild procedures.

Fitment includes:

• Chrysler 300 Base (2005–2007), 300 C (2005–2010), 300 C SRT8 (2005–2010), 300 Limited (2005–2010), 300 LX (2008–2009), 300 S (2010), 300 Signature Series (2009), 300 Touring (2005–2010)
• Dodge Challenger R/T, SE (2009–2010), SRT8 (2008–2010)
• Dodge Charger Base (2006–2007), Daytona R/T (2006), Pursuit (2006–2010), R/T (2006–2010), SE (2006–2010), SRT8 (2006–2010), SXT (2006–2010)
• Dodge Magnum R/T, SE, SRT8, SXT (2006–2008)
• Jeep Grand Cherokee 65th Anniversary Edition (2006), Laredo (2006), Limited (2006–2010), Overland (2006–2009), SRT8 (2006–2010)

What's Included:

• Complete set of molybdenum-coated piston rings for all cylinders
• Compression rings and oil control rings matched for OE specifications
• Installation instructions and technical support documentation

Ideal For:

This piston ring set is perfect for automotive professionals, engine rebuilders, and performance enthusiasts seeking reliable, OE-quality replacement parts. It is especially suited for those restoring or maintaining Chrysler, Dodge, and Jeep vehicles within the specified year ranges who demand durability, reduced oil consumption, and consistent engine performance.

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.