MAHLE 224-3452WR.040 PISTON W/RINGS-RIGHT (.040) FOR 2001-2005 GM 6.6L DURAMAX ENGINE

The MAHLE 224-3452WR.040 is a high-performance piston set designed for the right bank (cylinders 2, 4, 6, and 8) of the 2001–2005 GM 6.6L Duramax LB7 and LLY diesel engines. This set includes four pistons with pre-installed rings, intended for a .040" oversize application to accommodate engine reconditioning.

? Product Overview

• Part Number: 224-3452WR.040

• Engine Compatibility: 2001–2005 GM 6.6L Duramax LB7 and LLY

• Configuration: Right bank (cylinders 2, 4, 6, and 8)

• Oversize: .040" overbore for engine reconditioning

• Compression Ratio: 17.5:1 (standard)

• Ring Type: Standard (no oversize)

• Material: OE-quality construction with compensated ring grooves for proper ring loading and oil control

• Design Features: Expansion-controlled design for small fitting clearances to reduce engine noise, wear, emissions, and improve oil control

• Included Components: Pistons with pre-installed rings, pins, and clips

? Vehicle Fitment

This piston set is compatible with the following GM models equipped with the 6.6L Duramax LB7 or LLY diesel engine:

• Chevrolet Silverado 2500HD/3500HD (2001–2005)

• GMC Sierra 2500HD/3500HD (2001–2005)

• Chevrolet Express 2500/3500 (2001–2005)

• GMC Savana 2500/3500 (2001–2005)

? Package Contents

• Quantity: Set includes four pistons with pre-installed rings, pins, and clips

• Configuration: Right bank (cylinders 2, 4, 6, and 8)

• Oversize: .040" overbore for engine reconditioning

The MAHLE 224-3452WR.040 piston set represents a pivotal component for the 2001–2005 GM 6.6L Duramax LB7 and LLY diesel engines, specifically designed for the right bank (cylinders 2, 4, 6, and 8). Crafted with OE-quality construction, this set features four high-performance pistons with pre-installed rings, all set for a .040" oversize application which is essential for engine reconditioning.

Engineered with precision, each piston boasts a compression ratio of 17.5:1, ensuring optimal power and efficiency. The expansion-controlled design allows for minimal fitting clearances, helping to reduce engine noise, wear, and emissions while significantly improving oil control. With compensated ring grooves, these pistons facilitate proper ring loading, enhancing performance and longevity.

Suitable for a range of GM models, including the Chevrolet Silverado and GMC Sierra (both 2500HD and 3500HD) as well as the Chevrolet Express and GMC Savana (2001–2005), this piston set is versatile and reliable. Each package contains everything needed: four pistons, pins, and clips, ensuring a comprehensive solution for your rebuild.

With impressive dimensions of 49.82 mm compression height and robust piston pin specifications at 34.50 mm, this MAHLE piston set is designed with drivers' needs in mind. Weighing approximately 2.96 pounds and packed securely, it measures 3.437 inches in height, 9.062 inches in width, and 13.562 inches in length, making it an efficient choice for any mechanic or enthusiast looking to get the most out of their Duramax engine.

Elevate your engine's performance and reliability with the MAHLE 224-3452WR.040 piston set—a crucial investment for serious engine builders.