What is included with this piston set?

This set includes eight Mahle OE pistons. They come pre-mounted with piston rings, wrist pins, and retaining clips, making them ready for installation right out of the box.

What does '0.25mm reduced compression' mean for my engine?

This means the piston is slightly shorter from the wrist pin center to the top deck compared to a standard piston. This is often used in engine rebuilding to adjust the compression ratio, typically to lower it for specific applications or to account for deck height variations.

Are these pistons suitable for all 6.0L GM engines?

This specific set is designed for the 6.0L engine with Vin U, commonly found in 2002-2005 Chevrolet and GMC trucks and SUVs. It's important to verify your engine's Vin code to ensure compatibility.

Mahle OE GM 6.0L Piston Set 2243663025MM

Name: Mahle OE GM 6.0L 02-05 Vin U 0.25mm Reduced Compression Piston Set (Set of 8)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-gm-6-0l-02-05-vin-u-0-25mm-reduced-compression-piston-set-set--t14-53307
Price: 537.19 USD
Availability: BackOrder

Mahle OE GM 6.0L 02-05 Vin U 0.25mm Reduced Compression Piston Set (Set of 8)

$537.19

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 0.25mm Reduced Compression Piston Set (Set of 8). These pistons are ready to install with rings, pins, and clips included.

Key Features

Fits 2002-2005 Chevrolet and GMC 6.0L Vin U trucks and SUVs.
Set includes 8 pistons, ready for installation.
Pistons come with mounted piston rings, pins, and clips.
Features compensated ring grooves for proper ring loading and oil control.
Expansion-controlled design reduces engine noise, wear, and emissions.
0.25mm reduced compression height for specific engine builds.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your 2002-2005 GM truck or SUV, like a Silverado, Sierra, or Suburban, and need to address worn pistons or are looking to adjust compression, this Mahle OE piston set is a solid choice. These pistons are specifically designed for the GM 6.0L engine with Vin U, and they come 0.25mm reduced in compression height, which is important for certain engine builds or repairs. Mahle is a major OE supplier, meaning these pistons are built to the same standards as the ones that originally came in your vehicle.

What sets these Mahle pistons apart is their attention to detail for a smooth-running engine. They feature compensated ring grooves, which help ensure the piston rings seat properly and control oil consumption effectively. The expansion-controlled design means they have small fitting clearances, helping to reduce engine noise and wear, and also contribute to lower emissions. Mahle makes it convenient for engine builders by including the piston rings, pins, and clips already mounted, so they're ready to go right out of the box. This saves you time and ensures all the components are matched correctly for optimal performance and longevity.

This set includes eight pistons, enough for a complete engine overhaul. Because these are OE-quality parts from a well-known manufacturer, you can be confident in their fit and function for your 6.0L GM application. Remember that these pistons are not CARB approved and cannot be shipped to California.