What does the .010 reduced compression distance mean for my engine?

The .010 reduced compression distance means the piston crown sits slightly lower in the cylinder bore compared to a standard piston. This is a specific design choice often used in engine rebuilding to achieve a desired compression ratio or to account for deck height variations.

Are the piston rings included and pre-installed?

Yes, these Mahle OE piston sets come with the piston rings already mounted onto the pistons. This saves you a step during the engine rebuild process and ensures the rings are correctly positioned.

What else might I need to install these pistons?

When rebuilding an engine with new pistons, it's recommended to also have new rod bearings, main bearings, and potentially a new oil pump and timing components. Always refer to the manufacturer's detailed installation instructions for a complete list of recommended parts and procedures.

Mahle OE Piston Set 2243403040 - 6.5L Diesel 1992-2001

Name: Mahle OE GMC Trk 395 6.5L Diesel 92-97 w/ Reduced Compression Distance by .010 Piston Set (Set of 8)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-gmc-trk-395-6-5l-diesel-92-97-w-reduced-compression-distance-b-t14-52872
Price: 526.25 USD
Availability: BackOrder

Mahle OE GMC Trk 395 6.5L Diesel 92-97 w/ Reduced Compression Distance by .010 Piston Set (Set of 8)

$526.25

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 6.5L Diesel piston set for GMC and Chevrolet trucks, 1992-2001. Features compensated ring grooves and expansion control.

Key Features

Fits 1992-2001 GMC and Chevrolet 6.5L Diesel trucks, including AM General Hummer, Chevrolet C/K series, and GMC Savana vans.
Pistons feature a reduced compression distance of .010 inches for specific engine builds.
Compensated ring grooves ensure proper ring loading and effective oil control.
Expansion-controlled design allows for tight fitting clearances, reducing engine noise and wear.
Comes with piston rings pre-mounted for easier installation.
Includes wrist pins and clips for a complete assembly.

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Will this fit your vehicle?

Product Details

These Mahle OE pistons are built with a reduced compression distance of .010 inches, a specific design choice that matters for rebuilding your 6.5L diesel engine. Mahle is one of the largest original equipment piston manufacturers in the world, meaning these pistons are made to the same standards as what came from the factory. They are designed to fit a wide range of GMC and Chevrolet trucks from the early to late 90s, including popular models like the C2500, K2500 Suburban, and Savana vans.

What sets these pistons apart is their attention to detail for optimal engine performance and longevity. They feature compensated ring grooves, which help ensure the piston rings load correctly and maintain good oil control. The expansion-controlled design is also notable, allowing for tighter fitting clearances. This reduces engine noise, minimizes wear over time, and helps keep emissions in check while improving overall oil management. For your convenience, these pistons come ready for installation, with the piston rings already mounted, and include the necessary wrist pins and clips.

When you're undertaking a significant engine rebuild on your 6.5L diesel, using OE-quality components like these Mahle pistons is a solid choice. They are designed to integrate seamlessly with your existing engine components, helping to restore or even improve the original performance and reliability of your truck. Make sure to check the full fitment list to confirm compatibility with your specific vehicle.