Mahle OE GM 6.6L Duramax R w/ PCR .020 Piston Set (4-pc) — Fits 2001-2005 Silverado Sierra 2500HD 3500

SKU: MHL2243452WR020
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mahle OE

Mahle OE engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Mahle OE lineup with fast shipping and expert fitment support — order with confidence.

Mahle OE GM 6.6L Duramax Diesel Piston Set (.020 Over)

Restore your GM 6.6L Duramax engine with this Mahle OE Diesel Piston Set, featuring a .020" overbore for engines requiring this specific size. This set includes four pistons, meticulously crafted to OE specifications for a perfect fit and optimal performance. Mahle pistons are trusted worldwide for their exceptional quality and engineering, ensuring your engine runs smoothly and efficiently.

Key Features and Benefits:

  • OE Quality Construction: Manufactured to meet or exceed original equipment standards for reliability and performance.
  • Compensated Ring Grooves: Ensures proper ring seating and sealing, leading to improved oil control and reduced emissions.
  • Expansion Controlled Design: Minimizes piston-to-wall clearance, reducing noise and wear for a quieter, longer-lasting engine.
  • Complete Set: Includes four pistons with pre-mounted rings, piston pins, and clips for a hassle-free installation.
  • Engineered for Diesel: Built to withstand the high stresses and temperatures characteristic of diesel engines.

Vehicle Fitment:

This .020 overbore piston set is designed for:

  • Chevrolet Silverado 2500 HD (2001-2005)
  • Chevrolet Silverado 3500 (2001-2005)
  • GMC Sierra 2500 HD (2001-2005)
  • GMC Sierra 3500 (2001-2005)

Invest in the best for your Duramax engine. Choose Mahle OE pistons for unparalleled quality and performance. Find this Mahle OE .020 Piston Set and more at GGCRACING!

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2005 Chevrolet Silverado 2500 HD LS
2001-2005 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2005 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2005 GMC Sierra 2500 HD SLE
2001-2005 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2003-2005 GMC Sierra 2500 HD WT
2001-2005 GMC Sierra 3500 SLE
2001-2005 GMC Sierra 3500 SLT
2002-2005 GMC Sierra 3500 Base
2004-2005 GMC Sierra 3500 WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mahle OE

Mahle OE engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Mahle OE lineup with fast shipping and expert fitment support — order with confidence.

Mahle OE GM 6.6L Duramax Diesel Piston Set (.020 Over)

Restore your GM 6.6L Duramax engine with this Mahle OE Diesel Piston Set, featuring a .020" overbore for engines requiring this specific size. This set includes four pistons, meticulously crafted to OE specifications for a perfect fit and optimal performance. Mahle pistons are trusted worldwide for their exceptional quality and engineering, ensuring your engine runs smoothly and efficiently.

Key Features and Benefits:

  • OE Quality Construction: Manufactured to meet or exceed original equipment standards for reliability and performance.
  • Compensated Ring Grooves: Ensures proper ring seating and sealing, leading to improved oil control and reduced emissions.
  • Expansion Controlled Design: Minimizes piston-to-wall clearance, reducing noise and wear for a quieter, longer-lasting engine.
  • Complete Set: Includes four pistons with pre-mounted rings, piston pins, and clips for a hassle-free installation.
  • Engineered for Diesel: Built to withstand the high stresses and temperatures characteristic of diesel engines.

Vehicle Fitment:

This .020 overbore piston set is designed for:

  • Chevrolet Silverado 2500 HD (2001-2005)
  • Chevrolet Silverado 3500 (2001-2005)
  • GMC Sierra 2500 HD (2001-2005)
  • GMC Sierra 3500 (2001-2005)

Invest in the best for your Duramax engine. Choose Mahle OE pistons for unparalleled quality and performance. Find this Mahle OE .020 Piston Set and more at GGCRACING!

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2005 Chevrolet Silverado 2500 HD LS
2001-2005 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2005 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2005 GMC Sierra 2500 HD SLE
2001-2005 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2003-2005 GMC Sierra 2500 HD WT
2001-2005 GMC Sierra 3500 SLE
2001-2005 GMC Sierra 3500 SLT
2002-2005 GMC Sierra 3500 Base
2004-2005 GMC Sierra 3500 WT

Product Details

Product Description

About Mahle OE

Mahle OE engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Mahle OE lineup with fast shipping and expert fitment support — order with confidence.

Mahle OE GM 6.6L Duramax Diesel Piston Set (.020 Over)

Restore your GM 6.6L Duramax engine with this Mahle OE Diesel Piston Set, featuring a .020" overbore for engines requiring this specific size. This set includes four pistons, meticulously crafted to OE specifications for a perfect fit and optimal performance. Mahle pistons are trusted worldwide for their exceptional quality and engineering, ensuring your engine runs smoothly and efficiently.

Key Features and Benefits:

  • OE Quality Construction: Manufactured to meet or exceed original equipment standards for reliability and performance.
  • Compensated Ring Grooves: Ensures proper ring seating and sealing, leading to improved oil control and reduced emissions.
  • Expansion Controlled Design: Minimizes piston-to-wall clearance, reducing noise and wear for a quieter, longer-lasting engine.
  • Complete Set: Includes four pistons with pre-mounted rings, piston pins, and clips for a hassle-free installation.
  • Engineered for Diesel: Built to withstand the high stresses and temperatures characteristic of diesel engines.

Vehicle Fitment:

This .020 overbore piston set is designed for:

  • Chevrolet Silverado 2500 HD (2001-2005)
  • Chevrolet Silverado 3500 (2001-2005)
  • GMC Sierra 2500 HD (2001-2005)
  • GMC Sierra 3500 (2001-2005)

Invest in the best for your Duramax engine. Choose Mahle OE pistons for unparalleled quality and performance. Find this Mahle OE .020 Piston Set and more at GGCRACING!

Vehicle Fitment

Years Make Model Trim
2001-2005 Chevrolet Silverado 2500 HD Base
2001-2005 Chevrolet Silverado 2500 HD LS
2001-2005 Chevrolet Silverado 2500 HD LT
2004 Chevrolet Silverado 2500 HD WT
2001-2005 Chevrolet Silverado 3500 Base
2001-2005 Chevrolet Silverado 3500 LS
2004 Chevrolet Silverado 3500 WT
2001-2002 GMC Sierra 2500 HD SL
2001-2005 GMC Sierra 2500 HD SLE
2001-2005 GMC Sierra 2500 HD SLT
2002-2005 GMC Sierra 2500 HD Base
2003-2005 GMC Sierra 2500 HD WT
2001-2005 GMC Sierra 3500 SLE
2001-2005 GMC Sierra 3500 SLT
2002-2005 GMC Sierra 3500 Base
2004-2005 GMC Sierra 3500 WT

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