What does 0.50MM oversize mean for these pistons?

This means the pistons are larger than the standard factory size by 0.50 millimeters. They are intended for use in engines where the cylinders have been machined (bored) to this specific oversize to account for wear or previous rebuilds.

Are the piston rings included and pre-installed?

Yes, this set comes with the piston rings already mounted onto each piston. The set also includes the necessary piston pins and clips, making them ready for installation into your engine.

What is the benefit of Mahle's expansion-controlled design?

The expansion-controlled design helps the piston maintain precise clearances within the cylinder bore as the engine temperature changes. This leads to reduced engine noise, less wear over time, lower emissions, and improved oil control.

Mahle OE Piston Set w/ Rings 2243625WR050MM

Name: Mahle OE GM High Feature 3.6L V-6 LY7 Engine 0.50MM Piston With Rings Set (Set of 6)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-gm-high-feature-3-6l-v-6-ly7-engine-0-50mm-piston-with-rings-s-t14-53144
Price: 456.92 USD
Availability: BackOrder

Mahle OE GM High Feature 3.6L V-6 LY7 Engine 0.50MM Piston With Rings Set (Set of 6)

$456.92

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 High Feature 3.6L V-6 LY7 Engine 0.50MM Piston With Rings Set (Set of 6). Ready to install for your engine rebuild.

Key Features

Fits 2004-2012 Buick, Cadillac, Chevrolet, GMC, and Pontiac vehicles with the 3.6L V-6 LY7 engine.
Set includes six pistons with rings, pins, and clips, ready for installation.
0.50MM oversize pistons designed for engines with cylinders bored to match.
Compensated ring grooves ensure proper ring loading and oil control.
Expansion-controlled design reduces engine noise, wear, and emissions.
OE quality from Mahle, a major original equipment manufacturer.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your GM vehicle and need to replace worn pistons, this Mahle OE High Feature Piston Set is a solid choice. These pistons are designed for the 3.6L V-6 LY7 engine and come in a 0.50MM oversize, meaning they're intended for engines where the cylinders have already been bored out to accommodate wear. Mahle is a major OE supplier, so you're getting parts that meet the original specifications for your engine.

What sets these pistons apart is their OE quality construction. They feature compensated ring grooves, which help ensure the piston rings seat properly and control oil. The expansion-controlled design means they're built to maintain tight clearances even as the engine heats up, helping to reduce noise, wear, and emissions while improving oil control. 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. This convenience saves you time and effort during your engine build.

This set is designed to fit a wide range of GM vehicles equipped with the 3.6L LY7 V-6 engine, including models like the Buick Enclave, Cadillac CTS, and Chevrolet Malibu. Because these are an oversize part, it's crucial to ensure your engine cylinders have been properly measured and bored to the correct 0.50MM size before installation.