Specifications
- Brand
- Mahle OE
- Part #
- 2243885WR100MM
- UPC
- 027067969729

Mahle OE GM 4.2L 06-09 1.00MM w/ Rings Piston With Rings Set (Set of 6)
$375.80
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Mahle OE GM 4.2L 06-09 1.00MM w/ Rings Piston With Rings Set (Set of 6). Features compensated ring grooves for better oil control.
Key Features
- Fits Buick Rainier, Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x.
- Mahle OE pistons feature compensated ring grooves for proper ring loading and oil control.
- Expansion controlled design reduces engine noise, wear, and emissions.
- Set includes six pistons with pre-mounted rings, pins, and clips.
- 1.00MM undersize piston set.
- Designed for GM 4.2L engines from 2006-2009.
Product Details
These Mahle OE pistons are built with compensated ring grooves, a detail that matters for ensuring proper ring loading and consistent oil control. They're designed with expansion control to keep fitting clearances tight, which helps reduce engine noise, wear, and emissions while improving overall oil management. This set includes six pistons, each with rings already mounted, along with the necessary pins and clips, making them ready for installation right out of the box.
Mahle is a major OE piston manufacturer, and these pistons carry that same level of quality. They are specifically made to fit a range of GM vehicles with the 4.2L engine, including models like the Chevrolet Trailblazer, GMC Envoy, and Saab 9-7x from 2006 to 2009. This set is 1.00MM undersize, which is important to note for your build.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 2243885WR100MM
- UPC
- 027067969729
Frequently Asked Questions
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Mahle OE GM 4.2L 06-09 1.00MM w/ Rings Piston With Rings Set (Set of 6)






