What does the 0.25MM undersize mean for these pistons?

The 0.25MM undersize indicates that these pistons are slightly smaller than the standard bore size. This is common when re-boring cylinders during an engine rebuild to ensure a proper fit and clearance within the cylinder walls.

Does this piston set come with everything needed for installation?

Yes, this set includes eight pistons, their matched rings, piston pins, and clips, all ready for installation. This comprehensive package simplifies the engine rebuilding process.

Are these pistons suitable for all 6.4L diesel engines?

This specific Mahle OE piston set is designed for the Navistar MaxxForce 7 6.4L diesel engine found in the 2008-2010 Ford F-250 and F-350 Super Duty trucks.

2008-2010 Ford F-250 Super Duty Piston Set

Name: Mahle OE Navistar MaxxForce 7 6.4L Diesel .25MM Piston With Rings Set (Set of 8)
Brand: Mahle OE
SKU: mahle-oe-mahle-oe-navistar-maxxforce-7-6-4l-diesel-25mm-piston-with-rings-set-se-t14-53270
Price: 1210.32 USD
Availability: BackOrder

Mahle OE Navistar MaxxForce 7 6.4L Diesel .25MM Piston With Rings Set (Set of 8)

$1210.32

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2008-2010 Ford F-250 Super Duty. Mahle OE .25MM diesel piston and ring set for Navistar MaxxForce 7 6.4L engines.

Key Features

Fits 2008-2010 Ford F-250 Super Duty and 2008-2010 Ford F-350 Super Duty.
Set includes eight pistons, each 0.25MM undersize, with matched rings, pins, and clips.
Mahle OE pistons are built to original equipment specifications for Navistar MaxxForce 7 6.4L diesel engines.
Features compensated ring grooves for proper ring loading and effective oil control.
Expansion-controlled design reduces engine noise and wear by maintaining small fitting clearances.
Helps reduce engine emissions and improve oil control.

Secure CheckoutFast Shipping631-982-0042

Product Details

If you're rebuilding the engine in your 2008-2010 Ford F-250 Super Duty with the Navistar MaxxForce 7 6.4L diesel, a quality piston set is crucial for getting your truck back on the road. This set from Mahle OE includes eight pistons, each measuring 0.25MM undersize, along with their matched rings, pins, and clips, ready for installation. Mahle is a major OE supplier, meaning these pistons are built to the same specifications as the original parts your truck came with from the factory.

What sets these Mahle pistons apart is their attention to detail, which translates directly to better engine performance and longevity. They feature compensated ring grooves designed to ensure the piston rings are properly loaded and maintain excellent oil control. This helps prevent oil from getting into the combustion chamber, reducing smoke and oil consumption. The pistons also have an expansion-controlled design, which allows for tight fitting clearances. This reduces engine noise, minimizes wear over time, and helps keep emissions in check, all while improving overall oil management.

Because these pistons come with the rings, pins, and clips already mounted, it simplifies the rebuilding process for you or your mechanic. You're getting a well-built set from a trusted OE manufacturer, ensuring that the heart of your diesel engine is restored with parts that meet original equipment standards. This set is designed for direct installation, making it a solid option for a comprehensive engine overhaul.