MAHLE 224-3451WR.020 PISTON W/RINGS-LEFT (.020) FOR 2001-2005 GM 6.6L DURAMAX ENGINE

The MAHLE 224-3451WR.020 is a high-performance piston set designed for the 2001–2005 GM 6.6L Duramax LB7 and LLY diesel engines. This set includes four pistons with pre-installed rings, intended for the left bank (cylinders 1, 3, 5, and 7), and is specifically engineered for .020" oversize applications to accommodate engine reconditioning.

? Product Overview

• Part Number: 224-3451WR.020

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

• Configuration: Left bank (cylinders 1, 3, 5, and 7)

• Oversize: .020" 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: Left bank (cylinders 1, 3, 5, and 7)

• Oversize: .020" overbore for engine reconditioning

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