Mahle OE Piston Set

2007–2018 Dodge Ram 2500 & 3500 5.9L & 6.7L Diesel

Part #: 2243732020

Overview

The Mahle OE Piston Set .50MM is engineered to meet or exceed original equipment specifications for Dodge Ram diesel engines from 2007 through 2018. Designed specifically for the 5.9L and 6.7L diesel variants, these pistons provide a reliable and durable solution for engine rebuilds or repairs. Ideal for professional engine builders and diesel enthusiasts alike, this piston set ensures optimal engine performance, longevity, and efficiency.

Mahle’s OE quality pistons incorporate advanced design features that help reduce engine noise, wear, and emissions while improving oil control. This set is precision manufactured to provide a perfect fit with a .50MM oversize diameter, accommodating engine bore wear and ensuring a tight seal for enhanced combustion efficiency.

Key Features

Mahle OE pistons combine proven OE technology with precision engineering to deliver dependable performance. Key features include:

• Compensated ring grooves for proper ring loading and superior oil control
• Expansion-controlled design to maintain small fitting clearances, reducing engine noise and wear
• OE-quality construction for durability and long service life
• Pre-mounted piston rings included for quick and easy installation
• Comes complete with piston pins and clips for convenience
• Manufactured by one of the world’s largest OE piston producers
• Designed to reduce emissions and improve overall engine efficiency
• Precision machined to ensure consistent performance and fitment

Construction & Design

Mahle OE pistons are crafted from high-grade aluminum alloys that offer an excellent balance of strength, heat resistance, and lightweight properties. The pistons feature compensated ring grooves that optimize ring seating and oil control, which helps maintain engine cleanliness and reduce oil consumption. The expansion-controlled design allows the pistons to maintain tight clearances within the cylinder bore, minimizing noise and mechanical wear during operation.

Each piston is precision machined to exact specifications, ensuring a perfect fit in the cylinder bore and compatibility with the factory components. The inclusion of pre-mounted rings, pins, and clips streamlines the assembly process, making it easier for engine builders to achieve a professional installation.

Installation & Fitment

This Mahle OE Piston Set is designed as a direct replacement for the following vehicles and engines, requiring no modifications for proper installation:

• 2007 Dodge Ram 2500 5.9L Diesel
• 2007 Dodge Ram 3500 5.9L Diesel
• 2008–2010 Dodge Ram 2500 6.7L Diesel
• 2008–2010 Dodge Ram 3500 6.7L Diesel
• 2011–2012 Ram 2500 6.7L Diesel
• 2011–2018 Ram 3500 6.7L Diesel

The .50MM oversize dimension is intended to compensate for cylinder bore wear, so ensure your engine block is properly measured and bored before installation. The pistons come ready to install with rings, pins, and clips included, simplifying the rebuild process and reducing assembly time.

What's Included

• Set of Mahle OE pistons sized .50MM oversize
• Pre-mounted piston rings
• Piston pins
• Piston pin clips

Ideal For

This piston set is ideal for diesel engine rebuilds, repairs, or performance restorations on Dodge Ram 2500 and 3500 trucks equipped with 5.9L and 6.7L diesel engines from 2007 to 2018. It suits professional engine builders, diesel mechanics, and enthusiasts seeking OE-quality replacement parts that maintain factory performance and 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.