Sealed Power 2781PN Engine Piston

Engine Piston for Ford Super Duty Diesel Applications

The Sealed Power 2781PN engine piston is a premium cast aluminum replacement built for specific Ford Super Duty diesel applications. It features a bowl-type piston head, standard bore sizing, and ring groove widths matched to the listed application for accurate engine service.

Key Features

• Sealed Power 2781PN engine piston for Ford F-250 Super Duty and Ford F-350 Super Duty
• Cast aluminum piston material with a bowl-style crown
• 98.20 mm cylinder bore diameter
• 52.30 mm compression height
• Ring groove widths: 2.50 mm top, 2.00 mm second, 3.00 mm oil
• 38.50 mm piston pin outside diameter
• Premium grade type for engine rebuild and repair work
• Standard, non-oversized design

Detailed Description

Built for 2008-2010 Ford F-250 Super Duty and 2008-2010 Ford F-350 Super Duty diesel engine service, the Sealed Power 2781PN piston is engineered around the listed bore, compression height, and ring package dimensions. The bowl-type piston head supports the combustion chamber design used in these applications, while the cast aluminum construction provides the material profile commonly specified for modern engine rebuilding. This part cross-references Ford OE number 8C3Z6108EB for the same application.

Sealed Power uses modern materials and ISO- and QS-certified manufacturing processes to produce engine components that meet demanding service requirements. The 2781PN is a direct-fit style piston for Ford Super Duty engine repair where standard sizing and exact dimensional match are required. The part number 2781PN is also useful when verifying replacement piston specifications during a rebuild.

Common Repair Uses

• Restoring compression in a worn diesel cylinder
• Replacing a damaged or scored piston during engine overhaul
• Correcting piston wear found during teardown inspection
• Matching OE-style dimensions in a Ford F-250 Super Duty or Ford F-350 Super Duty rebuild
• Addressing ring groove or crown damage in the affected engine

Installation Notes and Tips

Verify cylinder bore diameter, compression height, piston pin diameter, and ring groove widths before installation. Confirm the piston matches the engine build specification for your 2008-2010 Ford F-250 Super Duty or 2008-2010 Ford F-350 Super Duty application. Assembly lubricant is not included, so use the lubricant specified by the engine builder or service procedure. Inspect the cylinder wall, rings, and pin fit during assembly to ensure proper engine clearances.

Quality Assurance

Sealed Power manufactures engine components with controlled production standards and materials selected for modern engine service. The 2781PN piston is built to the listed specifications for consistent fitment in the confirmed Ford Super Duty applications.