MAHLE 41909.04 PISTON RING SET (.040) FOR 2001-2010 GM 6.6L DURAMAX ENGINE

The MAHLE 41909.04 is a high-performance piston ring set designed for the 6.6L Duramax diesel engines in 2001–2010 GM trucks. This set is specifically intended for overbore applications, providing a .040-inch oversize to accommodate engine reconditioning.

? Product Overview

• Part Number: 41909.04

• Application: .040" oversize piston ring set

• Material Composition:

  • Top Ring: Ductile Iron

  • Second Ring: Cast Iron

  • Oil Ring Assembly: Gas Nitride Steel (GNS)

• Coating: Plasma-Moly face coating for enhanced durability

• Pre-Lapped: Yes, for immediate seating without break-in period

• Warranty: 1-year limited warranty
  

? Vehicle Fitment

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

• Chevrolet Silverado 2500HD/3500HD (2001–2010)

• GMC Sierra 2500HD/3500HD (2001–2010)

• Chevrolet Express 2500/3500 (2001–2010)

• GMC Savana 2500/3500 (2001–2010)

• Hummer H1 (2006)

? Package Contents

• Quantity: Set includes rings for all cylinders

• Configuration: Standard 4-ring design (top, second, and oil rings)

• Oversize: .040" overbore for engine reconditioning

The MAHLE 41909.04 Piston Ring Set is engineered to deliver exceptional performance for the 2001-2010 GM 6.6L Duramax diesel engines, known for their impressive power and durability. This high-quality piston ring set is specifically designed for overbore applications, featuring a .040-inch oversize that optimally accommodates engine reconditioning, ensuring a perfect fit for enhanced engine performance.

Crafted from premium materials, the top ring is made of ductile iron, offering superior strength, while the second ring consists of cast iron to withstand the rigors of demanding driving conditions. The oil ring assembly features Gas Nitride Steel (GNS), known for its resistance to wear and corrosion, contributing to the longevity of your engine components. Additionally, the plasma-moly face coating increases durability, minimizing wear and maximizing engine efficiency.

The MAHLE 41909.04 set is pre-lapped, providing immediate seating right out of the package. This eliminates the need for a lengthy break-in period, allowing you to get back on the road without delay and with the confidence of optimal performance from the start. Each set comes with a 1-year limited warranty, underscoring MAHLE’s commitment to quality and customer satisfaction.

This piston ring set fits a variety of GM models equipped with the 6.6L Duramax engine, including the Chevrolet Silverado 2500HD/3500HD, GMC Sierra 2500HD/3500HD, Chevrolet Express 2500/3500, GMC Savana 2500/3500, and the Hummer H1 (2006). Each package includes rings for all cylinders in a standard 4-ring design, ensuring comprehensive coverage for engine reconditioning projects. Optimize your engine's performance with the MAHLE 41909.04 Piston Ring Set.