Sealed 2785PN .50MM engine piston for the 2011-2016 Chevrolet Express 2500 V8 6.6L and other vehicles turns combustion pressure into downward force on the connecting rod. It is a diesel cast piston with a graphite-coated skirt.
- Diesel piston cast from S2N proprietary alloy
- Graphite skirt coating helps prevent scuffing of the skirt and cylinder wall
- Cast aluminum body with a bowl-type piston head
- Oversized piston in the .50MM size
Quick facts
- Part: Sealed 2785PN .50MM engine piston
- Fits: 2011-2016 Chevrolet Express 2500 V8 6.6L and other vehicles
- Material: Cast aluminum
- Condition: New
A knocking noise, oil burning or low compression can mean a worn piston. Before you replace a piston, rule out worn rings, a scored cylinder wall and valve trouble first. This listing is one piston, and the 2012-2016 Chevrolet Express 3500 V8 6.6L takes eight.
Fits
This oversized diesel piston fits the 2011-2016 Chevrolet Express 2500 V8 6.6L, the 2012-2016 Chevrolet Express 3500 V8 6.6L and the 2012-2016 Chevrolet Express 4500 V8 6.6L, among other vehicles.
Specifications
Fit and size
- Oversize: .50MM
- Cylinder bore diameter: 103.00 mm
- Piston pin outside diameter: 34.50 mm
- Compression height: 49.60 mm
- Top compression ring thickness: 3.00 mm
- Second compression ring thickness: 2.00 mm
- Oil ring thickness: 3.00 mm
- Quantity per vehicle: 8
Build and materials
- Type: Diesel cast piston
- Piston head type: Bowl
- Material: Cast aluminum
- Skirt coating: Graphite
- Assembly lubricant: Not included
- Condition: New
- Country of origin: India
In the box
One diesel cast piston. Assembly lubricant is not included.
Interchange: S224-3935-0.50MM
224393550MM
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
224393550MM, S224-3935-0.50MM
Frequently Asked Questions
Does the Sealed 2785PN .50MM piston fit the 2012-2016 Chevrolet Express 3500 V8 6.6L?
Yes. Sealed 2785PN .50MM fits the 2012-2016 Chevrolet Express 3500 V8 6.6L and other vehicles too; the "Vehicles it fits" section is the place to look up your own.
Does this diesel piston come with assembly lubricant?
No. Assembly lubricant is not included. The box holds one diesel cast piston.
What bore and pin sizes does the 2785PN .50MM piston use?
Sealed 2785PN .50MM is an oversized piston for a 103.00 mm cylinder bore, with a 49.60 mm compression height and a 34.50 mm piston pin outside diameter.
What is this diesel piston made of, and is the skirt coated?
This piston is cast aluminum with a bowl-type head, cast from S2N proprietary alloy. Yes, the skirt carries a graphite coating that helps keep the skirt and cylinder wall from scuffing.
Does the 2785PN .50MM piston replace number S224-3935-0.50MM?
Yes. S224-3935-0.50MM is listed as an interchange number for Sealed 2785PN .50MM.
