Sealed H1123NCP .50MM piston set for the 2001-2010 Ford Explorer V6 4.0L and other vehicles turns combustion pressure into force on the connecting rods. Also called an engine piston set, this is a 0.50 mm oversize cast set.
- DUROSHIELD skirt coating resists scuffing, reduces bore clearances and improves ring sealing
- Blended skirt coat designed to reduce engine wear and fatigue and decrease piston slap
- Hypereutectic piston material
- Flat piston head with a 0.50 mm oversize
Quick facts
- Part: Sealed H1123NCP .50MM piston set
- Also called: engine piston set
- Fits: 2001-2010 Ford Explorer V6 4.0L and other vehicles
- Material: Hypereutectic
- Condition: New
A knock from the engine, oil use or low compression can mean worn pistons, though the piston rings or the cylinder walls can be behind those signs too, so find the actual cause before ordering.
Fits
The 2001-2010 Ford Explorer V6 4.0L takes six pistons, and the set also fits the 2005-2010 Ford Mustang V6 4.0L and the 2001-2005 Ford Explorer Sport Trac V6 4.0L. If your car is not named here, look it up in the "Vehicles it fits" section on this page.
Specifications
Fit and size
- Oversize: 0.50 mm
- Quantity per vehicle: 6
- Piston pin outside diameter: 0.9451 in
- Compression height: 1.433 in
- Top compression ring thickness: 1.60 mm
- Second compression ring thickness: 1.75 mm
Build and materials
- Type: cast piston set
- Piston head: flat
- Material: hypereutectic
- Skirt coating: DUROSHIELD
- Condition: new
- Country of origin: India
In the box
The piston set. Assembly lubricant is not included.
Interchange: P428.20 · P3090(6).50 · 224-3964-0.50MM
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
P428.20, P3090(6).50, 224-3964-0.50MM
Frequently Asked Questions
Does the Sealed H1123NCP .50MM piston set fit a 2005-2010 Ford Mustang V6 4.0L?
Yes. Sealed H1123NCP .50MM fits the 2005-2010 Ford Mustang V6 4.0L and the 2001-2010 Ford Explorer V6 4.0L. Other vehicles are in the "Vehicles it fits" section.
How big is the oversize on these pistons?
This piston set is 0.50 mm oversize. The piston pin outside diameter is 0.9451 in and the compression height is 1.433 in.
Is assembly lubricant included with this piston set?
No. Assembly lubricant is not included with this piston set.
What does the DUROSHIELD coating do on these pistons?
DUROSHIELD is a skirt coating that resists scuffing, reduces bore clearances and improves ring sealing. Sealed H1123NCP .50MM pistons are hypereutectic with a flat head.
Is 224-3964-0.50MM the same as this piston set?
Yes. 224-3964-0.50MM is an interchange number for Sealed H1123NCP .50MM, along with P428.20 and P3090(6).50.
