Sealed Power 2783PNL Engine Piston

Sealed Power 2783PNL Engine Piston

Sealed Power 2783PNL is a premium engine piston for 103.00 mm bore applications that require a cast aluminum piston with a Ricardo bowl crown. It is built for 2006-2010 Chevrolet Express 2500 and Express 3500, plus Silverado 2500 HD and Silverado 3500 HD applications, along with matching GMC Savana and Sierra heavy-duty models.

Key Features

• Part number 2783PNL engine piston for select Chevrolet and GMC 6.0L-style heavy-duty applications
• Cast aluminum piston material for strength and thermal stability
• Ricardo bowl piston head type for combustion chamber compatibility
• 103.00 mm cylinder bore diameter
• Compression height: 49.80 mm
• Piston pin outside diameter: 34.50 mm
• Premium grade type from Sealed Power
• Ring groove thicknesses: 3.00 mm top compression, 2.00 mm second compression, 3.00 mm oil ring

Detailed Description

Sealed Power 2783PNL is an engine piston engineered for cylinder block rebuilds that call for precise bore sizing and a Ricardo bowl design. The cast aluminum construction supports consistent fitment in heavy-duty Chevrolet Silverado and Express platforms as well as GMC Sierra and Savana applications listed in the fitment data. If you are rebuilding a Chevrolet Silverado 2500 HD, Silverado 3500 HD, or a GMC Sierra 2500 HD/Sierra 3500 HD engine, this piston provides the dimensional specifications needed for accurate assembly. This part number 2783PNL also cross-references MAHLE S224-3709 for the same application.

Common Repair Uses

• Restoring compression loss caused by worn or damaged pistons
• Repairing piston crown damage from detonation or overheating
• Addressing excessive oil consumption tied to piston and ring wear
• Correcting cylinder sealing issues during a full engine rebuild
• Replacing a piston that no longer matches bore and compression specifications

Installation Notes and Tips

Verify cylinder bore diameter, compression height, and piston pin diameter before assembly. Match the ring thickness specifications to the engine build and confirm clearances during machine work. Because fitment varies by engine configuration, confirm the vehicle application against the listed Chevrolet Express, Silverado, GMC Savana, and Sierra model years before installation. Part number 2783PNL should be installed as part of a measured rebuild process with proper inspection of the block, rings, and connecting components.

Quality Assurance

Sealed Power uses modern materials and ISO- and QS-certified manufacturing processes to produce engine components for demanding applications. That focus on controlled production and material selection supports consistent rebuild quality for this piston.