What does '.030 over' mean for these pistons?

'.030 over' means these pistons are 0.030 inches larger in diameter than the standard factory bore size. This is typically used when an engine's cylinders have been worn or damaged and need to be bored out to a larger size to restore proper fit and performance.

Are the piston rings included and pre-installed?

Yes, this set comes with the piston rings already mounted onto the pistons. It also includes the necessary piston pins and clips, making them ready for installation right out of the box.

What is the benefit of expansion-controlled designs?

Expansion-controlled designs allow for smaller fitting clearances within the engine cylinder. This helps to reduce engine noise, minimize wear over time, and can contribute to better oil control and reduced emissions.

Mahle OE Piston Set .030 Over 2243418WR040 - Ford 5.4L

Name: Mahle OE Ford 5.4L PI90L91+A4 .030 w/ PCR Eng Set Piston With Rings Set (Set of 8)
Brand: Mahle OE
Price: 331.10 USD
Availability: InStock

Mahle OE Ford 5.4L PI90L91+A4 .030 w/ PCR Eng Set Piston With Rings Set (Set of 8)

$331.10

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 piston and ring set for Ford 5.4L engines. .030 overbore size. Set of 8.

Key Features

Fits a wide range of Ford and Lincoln vehicles with the 5.4L engine.
Pistons are sized .030 inches over the standard bore size.
Set includes eight pistons and eight sets of piston rings.
Features compensated ring grooves for proper ring loading and oil control.
Expansion-controlled design reduces engine noise and wear.
Piston pins and clips are included for easier installation.

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Will this fit your vehicle?

Product Details

This is a set of eight Mahle OE pistons and rings, specifically sized at .030 inches over for Ford 5.4L PI90L91+A4 engines. Mahle is a major OE piston manufacturer, and these pistons are built to the same standards as what came from the factory. They are designed to help your engine run smoothly, control oil consumption, and reduce emissions.

These pistons feature compensated ring grooves, which ensure the rings are loaded correctly for good oil control. They also have expansion-controlled designs. This means they're built with small fitting clearances, which helps cut down on engine noise and wear, and ultimately improves how well the engine breathes and manages its oil. Mahle makes it convenient by including the piston pins and clips, and the rings come pre-mounted, so they're ready to go right out of the box for your rebuild.

This piston set is a solid option for rebuilding a Ford 5.4L engine. It fits a wide range of Ford and Lincoln vehicles, including models like the Ford F-150, Expedition, and Lincoln Navigator. Always refer to the manufacturer's installation instructions for specific details on fitting these pistons during your engine build.