What components are included in this piston set?

This Mahle OE piston set includes eight pistons, with piston rings already mounted. It also comes with the necessary wrist pins and retaining clips for a convenient installation.

Are these pistons ready to install right out of the box?

Yes, these pistons come with the rings mounted, and include the pins and clips. This makes them ready for installation by the engine builder, saving time and effort.

What does 'reduced compression' mean for my engine build?

Reduced compression pistons are designed to lower the overall compression ratio of your engine. This is often used in forced induction applications (like turbocharging or supercharging) or for specific tuning goals to prevent detonation and allow for more boost.

Mahle OE GM 6.0L Piston Set 2243663 - 2002-2005

Name: Mahle OE GM 6.0L 02-05 Vin U Reduced Compression Piston Set (Set of 8)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-gm-6-0l-02-05-vin-u-reduced-compression-piston-set-set-of-8-t14-53447
Price: 569.56 USD
Availability: BackOrder

Mahle OE GM 6.0L 02-05 Vin U Reduced Compression Piston Set (Set of 8)

$569.56

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 6.0L 02-05 Vin U Reduced Compression Piston Set (Set of 8). Includes pistons, rings, pins, and clips for easier installation.

Key Features

Fits 2002-2005 Chevrolet, GMC, and Hummer vehicles with the 6.0L Vin U engine.
Set includes eight pistons, pre-mounted piston rings, wrist pins, and clips.
Features compensated ring grooves for proper ring loading and oil control.
Expansion-controlled design reduces engine noise, wear, and emissions.
OE quality from Mahle, a leading global piston manufacturer.
Designed for reduced compression applications.

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Will this fit your vehicle?

Product Details

When you're rebuilding the engine in your 2002-2005 GM truck or SUV with the 6.0L Vin U engine, this set of eight Mahle OE pistons is ready to go. Mahle is a major OE supplier, meaning these pistons are built to the same specifications as the ones that came from the factory. You get the pistons, pre-mounted piston rings, wrist pins, and clips all in one box, which can save you time and hassle during assembly.

These pistons feature compensated ring grooves designed to ensure proper ring loading and effective oil control. They also have expansion-controlled designs, which means they're built with small fitting clearances. This helps reduce engine noise, wear, and emissions, while also improving overall oil control. Because Mahle is one of the largest OE piston manufacturers globally, you can trust that these are well-built components designed for reliable performance in a wide range of GM vehicles, including models like the Chevrolet Silverado and GMC Sierra, as well as the Hummer H2.

This set is designed for reduced compression applications, making it a solid choice for certain engine builds. Remember that these pistons are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and torque specifications.