
- Lightweight Construction: The lightweight design minimizes reciprocating mass, which can help improve engine response and reduce stress on other components.
- Quality Construction: Built with the same precision and quality standards you'd expect from an original equipment manufacturer, ensuring long-lasting durability.
- Expansion Controlled Design: This feature ensures the piston maintains its optimal shape and clearance under various operating temperatures, which is crucial for consistent performance and preventing premature wear.
- OEM Replacement: Designed to be a direct-fit replacement for the left bank of your engine, making installation straightforward and hassle-free.

Engineered as an OEM replacement, the MAHLE 224-3451WR.020 Piston With Rings (.020, Left Bank) is the ideal choice for restoring your 2001-2005 GM 6.6L Duramax LB7/LLY engine. These pistons are crafted with a lightweight and expansion-controlled design to ensure they deliver a smooth, factory-level performance. When it's time to rebuild your engine, you need components that you can trust to deliver durability and reliability. This piston and ring set from MAHLE provides a direct-fit, high-quality solution.
Key features of this piston and ring set include:
Lightweight Construction: The lightweight design minimizes reciprocating mass, which can help improve engine response and reduce stress on other components.
Quality Construction: Built with the same precision and quality standards you'd expect from an original equipment manufacturer, ensuring long-lasting durability.
Expansion Controlled Design: This feature ensures the piston maintains its optimal shape and clearance under various operating temperatures, which is crucial for consistent performance and preventing premature wear.
OEM Replacement: Designed to be a di[...]
- Lightweight Construction: The lightweight design minimizes reciprocating mass, which can help improve engine response and reduce stress on other components.
- Quality Construction: Built with the same precision and quality standards you'd expect from an original equipment manufacturer, ensuring long-lasting durability.
- Expansion Controlled Design: This feature ensures the piston maintains its optimal shape and clearance under various operating temperatures, which is crucial for consistent performance and preventing premature wear.
- OEM Replacement: Designed to be a direct-fit replacement for the left bank of your engine, making installation straightforward and hassle-free.