Mahle OE Piston Ring Set

Fits 2011–2018 Dodge / Ram 6.7L Turbo Diesel

Part #: 42140

Overview

The Mahle Moly Ring Set is a high-quality replacement component designed specifically for Dodge and Ram 6.7L Turbo Diesel engines from 2011 to 2018. Crafted with precision and advanced materials, these piston rings are engineered to meet or exceed original equipment standards, ensuring optimal engine performance and durability. Whether you're performing a rebuild or replacing worn components, this set provides a reliable solution to maintain your engine’s efficiency and longevity. Engineered for professional mechanics and dedicated DIY enthusiasts, these piston rings help reduce friction, lower oil consumption, and support longer service intervals. Their innovative design supports smooth engine operation, improved response, and enhanced overall reliability, making them an essential upgrade for maintaining peak engine health in heavy-duty diesel applications.

Key Features

This piston ring set features cutting-edge technology and high-grade materials to deliver consistent performance and durability. Key features include:

• Advanced molybdenum coating for reduced friction and wear resistance
• Precisely engineered to match OE specifications for perfect fitment
• Designed to minimize oil consumption and improve combustion efficiency
• Optimized ring design for enhanced sealing and compression
• Manufactured with high-strength materials for long-lasting performance
• Supports engine longevity and reduces maintenance costs
• Suitable for heavy-duty diesel engines requiring reliable piston sealing

Construction & Design

The Mahle Moly Ring Set is constructed with high-quality materials featuring a molybdenum coating that reduces friction and enhances wear resistance. The rings are precisely machined to ensure a perfect seal within the cylinder, supporting optimal compression and engine efficiency. The design focuses on minimizing ring mass to reduce stress on engine components, contributing to longer service life and improved fuel economy.

Installation & Fitment

This piston ring set is designed for straightforward installation during engine rebuilds or repairs. Proper installation ensures maximum sealing and performance, aligning with OE specifications for a seamless fit in Dodge and Ram 6.7L Turbo Diesel engines from 2011 to 2018. It is recommended to follow manufacturer guidelines for installation to achieve the best results.

Ideal For

Ideal for professional engine rebuilds, maintenance, and performance upgrades for heavy-duty diesel trucks, this Mahle piston ring set helps maintain engine integrity and efficiency over the long term. It is perfect for fleet operators, diesel enthusiasts, and mechanics seeking a reliable, OEM-quality replacement part.