MAHLE 42160.04 PISTON RING SET (.040) FOR 2011-2016 GM 6.6L DURAMAX ENGINE

The MAHLE 42160.04 piston ring set is designed for the 6.6L Duramax diesel engines found in 2011–2016 Chevrolet and GMC trucks, including models such as the Silverado 2500HD, Sierra 2500HD, and their 3500HD counterparts. This set is specifically for a 0.040-inch overbore application, making it suitable for engine rebuilds requiring this oversize.

? Specifications

• Bore Size: 4.095 inches (104.13 mm)

• Ring Configuration:

  • Top Ring: Stainless steel, gas nitrided

  • Second Ring: Cast iron, chrome faced

  • Oil Control Ring: Carbon steel, gas nitrided

• Material Grades:

  • Top Ring: UCR (Upper Compression Ring)

  • Second Ring: LCR (Lower Compression Ring)

  • Oil Control Ring: OCR

• Axial Heights:

  • Top Ring: 3.0 mm

  • Second Ring: 2.0 mm

  • Oil Control Ring: 3.0 mm

• Ring Type Codes:

  • Top Ring: RFK-12NG

  • Second Ring: BT-10UF

  • Oil Control Ring: MCL-42NGRW

• Set Includes: 24 rings (6 rings per cylinder for 4 cylinders)

• Sold As: Full set only
  

? Vehicle Fitment

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

• 2011–2016 Chevrolet Silverado 2500HD/3500HD

• 2011–2016 GMC Sierra 2500HD/3500HD

Please verify the engine specifications and VIN code to ensure compatibility with your specific vehicle.