Mahle OE Moly 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

Overview:

The Mahle OE Moly Piston Ring Set is engineered to meet or exceed original equipment specifications, delivering superior sealing performance for a wide range of Chrysler, Dodge, and Jeep vehicles. Designed for enthusiasts and professional mechanics alike, this piston ring set reduces friction and minimizes oil consumption, contributing to improved engine efficiency and longevity. Whether you are rebuilding your engine or performing routine maintenance, Mahle’s advanced piston rings provide reliable durability and consistent performance under demanding conditions.

These piston rings are ideal for models including the Chrysler 300, Dodge Charger, Dodge Magnum, Jeep Grand Cherokee, and Dodge Challenger, covering model years from 2005 through 2010 depending on the vehicle. With OE-level quality and precision manufacturing, this set ensures optimal fit and function for your engine rebuild or repair.

Key Features:

Mahle OE Moly Piston Rings incorporate the latest advancements in piston ring technology, focusing on durability, efficiency, and engine protection. Key features include:

• OE-quality construction for precise fit and reliable sealing
• Molybdenum coating reduces friction and wear for extended service life
• Optimized ring mass to improve engine response and reduce mechanical losses
• Designed to minimize engine oil consumption and control blow-by gases
• Compatible with a wide range of Chrysler, Dodge, and Jeep engines from 2005 to 2010
• Manufactured to meet stringent OEM standards for durability and performance
• Improves compression and overall engine efficiency
• Corrosion-resistant materials ensure long-term reliability

Construction & Design:

Mahle OE piston rings are crafted from high-grade steel alloys and feature a molybdenum coating on the ring face. This coating enhances wear resistance and reduces friction between the piston ring and cylinder wall, which helps maintain optimal sealing over the life of the engine. The rings are precision-machined to exact OEM tolerances, ensuring a perfect fit for each application. This meticulous engineering reduces the risk of ring failure and contributes to consistent engine performance.

The design balances ring tension and flexibility, allowing the rings to maintain effective contact with the cylinder walls while minimizing drag. This balance is critical for reducing oil consumption and improving fuel efficiency without sacrificing durability.

Installation & Fitment:

The Mahle OE Moly Piston Ring Set is designed for direct replacement in compatible engines without the need for modifications. Installation should be performed by a qualified technician or experienced mechanic to ensure proper ring end gap and orientation. Proper installation is essential to achieve the intended sealing performance and to avoid premature wear or engine damage.

This piston ring set fits the following vehicles and trims:

• 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 (2009–2010), 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 (2006–2010), Limited (2006–2010), Overland (2006–2009), SRT8 (2006–2010)

What's Included:

• Complete set of molybdenum-coated piston rings tailored for specified vehicle engines
• Compression rings and oil control rings designed for optimal sealing and oil management
• Installation instructions and specifications for ring end gap and orientation

Ideal For:

This piston ring set is perfect for automotive enthusiasts, professional engine builders, and mechanics performing engine rebuilds or repairs on compatible Chrysler, Dodge, and Jeep models. It is especially suited for those seeking OE-quality replacement parts that offer enhanced durability, reduced friction, and improved oil control. Whether restoring a classic Chrysler 300 or upgrading a Dodge Charger or Jeep Grand Cherokee, Mahle OE piston rings provide dependable performance and long-lasting reliability.

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.