MAHLE Engine Piston Set 224-3953-0.75MM - view 2

MAHLE Engine Piston Set 224-3953-0.75MM - view 3

MAHLE Engine Piston Set 224-3953-0.75MM - view 4

MAHLE Engine Piston Set 224-3953-0.75MM - view 5

MAHLE Engine Piston Set P/N:224-3953-0.75MM (Pack of 8)

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$1,031.99

MPN: 224-3953-0.75MM

Item Package Quantity: 8

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MAHLE Engine Piston Set P/N:224-3953-0.75MM (Pack of 8)

$1,031.99

Description

Keep your engine's rebuild on spec with the MAHLE Engine Piston Set 224-3953-0.75MM. Pistons seal the combustion chamber and transfer combustion pressure through the connecting rods to the crankshaft, so a fresh, correctly-sized set is central to a healthy rebuild. It is listed as a replacement set for the 2008-2010 Ford F-250 Super Duty, F-350 Super Duty, F-450 Super Duty and F-550 Super Duty.

0.75 mm oversize: as the part number indicates, these pistons are machined 0.75 mm over standard, so they are intended for cylinders that have been bored/honed to that oversize — they will not fit standard-bore cylinders.
Sold as a set: supplies the pistons for a matched engine rebuild rather than a single replacement.
Replacement wear part: pistons that show scuffing, scoring, cracked ring lands, or excessive skirt clearance are signs a fresh set may be needed.

Confirm the correct oversize for your machined block before ordering, and follow the vehicle service information for ring gap, clearances, and torque during assembly. Manufacturer part number 224-3953-0.75MM (also 2243953075MM).

Manufacturer's Description

Product Specs

Buyer's Guide

Interchange Part Numbers

Frequently Asked Questions

What vehicles does this piston set fit?

It is listed for the 2008-2010 Ford F-250, F-350, F-450 and F-550 Super Duty. Check the Buyer's Guide tab and confirm fitment for your specific vehicle.

What does the 0.75MM in the part number mean?

It indicates a 0.75 mm oversize piston. These are for cylinders bored or honed 0.75 mm over standard; they will not fit a standard-bore engine.

Is this a full set or a single piston?

This listing is for a piston set, supplying the pistons for a matched engine rebuild rather than one individual piston.

When should pistons be replaced?

Signs a fresh set may be needed include skirt scuffing or scoring, cracked ring lands, or excessive clearance found during a rebuild. Diagnose the cause before ordering.

Do I need any special steps to install these?

Yes. Follow the vehicle service information for ring gap, piston-to-wall clearance, orientation and torque specs during assembly, and confirm your block is machined to the matching oversize.