What does 0.50mm undersize mean for these pistons?

This means the pistons are manufactured to be 0.50mm smaller in diameter than the standard factory size. They are intended for use when the engine's cylinder bores have been machined (honed or bored) to this specific undersize to achieve a proper fit and seal.

Are the piston rings included with this set?

Yes, this set comes complete with the matched piston rings, piston pins, and clips already mounted to the pistons. This makes the set ready for installation by the engine builder, saving time and ensuring compatibility.

What is the benefit of compensated ring grooves?

Compensated ring grooves help ensure the piston rings are properly loaded and maintain good oil control. This design is important for preventing oil from entering the combustion chamber and for maintaining consistent compression within the cylinder.

Mahle OE Piston Set 2243887WR050MM - GM 4.8L/5.3L 2010-2014

Name: Mahle OE GM 4.8/5.3L 10-14 0.50MM Piston With Rings Set (Set of 8)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-gm-4-8-5-3l-10-14-0-50mm-piston-with-rings-set-set-of-8-t14-53585
Price: 529.42 USD
Availability: BackOrder

Mahle OE GM 4.8/5.3L 10-14 0.50MM Piston With Rings Set (Set of 8)

$529.42

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 4.8/5.3L 10-14 0.50MM Piston With Rings Set (Set of 8). These well-built pistons are ready to install for your engine rebuild.

Key Features

Fits a wide range of 2010-2014 GM 4.8L and 5.3L V8 engines.
Pistons are 0.50mm undersize, intended for use with a re-machined cylinder bore.
Includes eight pistons, matched piston rings, pins, and clips for a complete set.
Features compensated ring grooves for proper ring loading and oil control.
Expansion-controlled design reduces engine noise and wear.
OE quality from Mahle, a leading original equipment piston manufacturer.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your GM truck or SUV from 2010 to 2014, this Mahle OE piston and ring set is a solid choice. Specifically designed for the 4.8L and 5.3L V8 engines, these pistons are 0.50mm undersize, meaning they are meant to be used when the cylinder bore has been machined to match this size. Mahle is one of the largest original equipment piston manufacturers globally, so you know you're getting parts that meet the factory specifications for fit and function.

What sets these pistons apart is their OE quality construction. They feature compensated ring grooves, which help ensure the piston rings are properly loaded and maintain good oil control. This is crucial for preventing oil from entering the combustion chamber and for maintaining consistent compression. The expansion-controlled design also means they have small fitting clearances, which helps reduce engine noise during operation, minimize wear over time, and keep emissions in check. Mahle makes it convenient for engine builders by including the piston rings, pins, and clips, so the set is ready for installation right out of the box.

This set includes eight pistons, rings, pins, and clips, covering all cylinders for your V8 engine. They are designed to fit a wide range of GM vehicles from 2010-2014, including popular models like the Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Tahoe, and GMC Yukon. Ensure your engine builder has confirmed the correct cylinder bore size before ordering this 0.50mm undersize set.