What does 0.75MM undersize mean for these pistons?

The 0.75MM undersize designation means these pistons are slightly smaller than the standard factory size. This is typically used when the engine cylinders have been bored out during a rebuild to clean up imperfections or increase displacement.

Do these pistons come with everything needed for installation?

Yes, this set includes eight pistons with the piston rings already mounted, along with the necessary piston pins and clips, providing a ready-to-install solution for your engine build.

Are these pistons suitable for all 6.2L GM engines?

This specific piston set is designed for the GM 6.2L L9H and L92 engine codes found in certain Cadillac, Chevrolet, and GMC vehicles from the 2007-2009 model years. Always verify your engine code and vehicle fitment.

Mahle OE Piston Set 2243888WR075MM - GM 6.2L L9H/L92 2007-20

Name: Mahle OE GM 6.2L L9H/ L92 07-09 0.75MM Piston With Rings Set (Set of 8)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-gm-6-2l-l9h-l92-07-09-0-75mm-piston-with-rings-set-set-of-8-t14-53480
Price: 679.96 USD
Availability: BackOrder

Mahle OE GM 6.2L L9H/ L92 07-09 0.75MM Piston With Rings Set (Set of 8)

$679.96

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Mahle OE GM 6.2L L9H/ L92 07-09 0.75MM Piston With Rings Set (Set of 8). Get OE quality for your engine rebuild.

Key Features

Fits a range of GM 6.2L L9H and L92 engines from 2007-2009, including models like the Chevrolet Tahoe, GMC Sierra 1500, and Cadillac Escalade.
This is a set of 8 pistons, each 0.75mm undersize, designed for engine rebuilding applications.
Features compensated ring grooves for proper ring loading and effective oil control.
Expansion-controlled design reduces engine noise, wear, and emissions by maintaining small fitting clearances.
Pistons come with rings pre-mounted for easier installation.
Includes piston pins and clips for a complete assembly.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your GM truck or SUV from 2007-2009, specifically those with the 6.2L L9H or L92 engine, this Mahle OE piston and ring set is built to get you back on the road. Mahle is a major OE piston supplier, meaning these pistons are made to the same specifications as the original equipment your vehicle came with. This set is 0.75mm undersize, which is important if your cylinders have been bored out during the rebuild process.

What sets these pistons apart is their attention to detail for optimal engine performance and longevity. They feature compensated ring grooves, which help ensure the piston rings are properly loaded and maintain good oil control. The expansion-controlled design allows for tight, small fitting clearances when the engine is cold, helping to reduce engine noise, wear, and emissions, while also improving oil management. Mahle makes installation easier by including the pistons with the rings already mounted, and they also come with the necessary pins and clips, so you have everything ready to go for your engine build.

This set includes eight pistons, rings, pins, and clips, making it a complete solution for your V8 engine. Because these are OE-quality parts from a well-known manufacturer, you can be confident in their fit and function for your engine rebuild project.