What does 0.50MM undersize mean for these pistons?

This means the pistons are 0.50 millimeters smaller in diameter than the standard factory size. They are intended for use when the engine cylinders have been bored out to a larger size, typically to clean up wear or prepare for an engine rebuild.

Do these pistons come with everything needed for installation?

Yes, this set includes the pistons with the piston rings already mounted, as well as the necessary wrist pins and clips. This makes them ready for installation right out of the box, saving you time during your engine build.

Are these pistons suitable for high-performance builds?

Mahle OE pistons are built to the original equipment manufacturer's specifications, offering excellent reliability and performance for standard engine rebuilds. For extreme high-performance applications, it's always recommended to consult with a performance engine builder to ensure the chosen components meet your specific power goals.

Mahle OE GM 3.0L LF1/LFW Pistons 2243930050MM

Name: Mahle OE GM 3.0L LF1/ LFW 10-14 Right and Left Pistons 0.50MM Piston Set (Set of 6)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-gm-3-0l-lf1-lfw-10-14-right-and-left-pistons-0-50mm-piston-set-t14-53166
Price: 438.73 USD
Availability: BackOrder

Mahle OE GM 3.0L LF1/ LFW 10-14 Right and Left Pistons 0.50MM Piston Set (Set of 6)

$438.73

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 3.0L LF1/LFW pistons, 0.50MM undersize. Set of 6 for 2010-2014 Cadillac CTS and more.

Key Features

Fits 2010-2014 Cadillac CTS, 2010-2012 Chevrolet Equinox, 2010-2012 GMC Terrain, and other 3.0L LF1/LFW GM engines.
Set includes 6 pistons, both right and left hand, with mounted piston rings.
Pistons are 0.50MM undersize, intended for bored cylinders.
Compensated ring grooves ensure proper ring loading and oil control.
Expansion-controlled design reduces engine noise, wear, and emissions.
Wrist pins and clips are included for easier installation.

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Will this fit your vehicle?

Product Details

These Mahle OE pistons are built to a 0.50MM undersize, meaning they are designed to fit cylinders that have been bored out to accommodate wear or a performance upgrade. Mahle is a major OE supplier, so you're getting pistons with the same features and quality as what originally came in your GM 3.0L LF1 or LFW engine. They come ready to install with the piston rings already mounted, and include the wrist pin and clips, saving you a step during your engine rebuild.

The design includes compensated ring grooves to ensure the rings load properly and control oil, which is crucial for preventing blow-by and maintaining engine health. Mahle also uses expansion-controlled designs. This means the pistons are made to have tight clearances when the engine is running, which helps reduce noise, wear, and emissions while also improving oil control. This set includes both right and left-hand pistons, covering a range of GM vehicles like the Cadillac CTS, Chevrolet Equinox, and GMC Terrain from 2010-2014.