Sealed Power 2782PNR Engine Piston

Sealed Power 2782PNR Engine Piston

Sealed Power 2782PNR is a premium engine piston built for diesel applications that require a cast aluminum design, bowl-style crown, and precise ring package dimensions. It is a direct-fit option for select Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, and GMC Sierra 3500 models from 2001-2005.

Key Features

• Premium-grade engine piston from Sealed Power
• Cast aluminum piston material for strength and heat management
• Bowl piston head type for diesel combustion chamber applications
• 103.00 mm cylinder bore diameter
• 49.80 mm compression height
• 34.50 mm piston pin outside diameter
• Ring groove dimensions: 3.00 mm top compression ring, 2.00 mm second compression ring, 3.00 mm oil ring
• Fits 2001-2005 Chevrolet Silverado 2500 HD and Silverado 3500
• Fits 2001-2005 GMC Sierra 2500 HD and Sierra 3500

Detailed Description

Sealed Power 2782PNR is engineered as an engine piston for heavy-duty GM truck applications, including Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, and GMC Sierra 3500 models. The bowl-style crown and cast aluminum construction align with diesel engine requirements, while the listed bore diameter, compression height, and pin diameter help support accurate rebuild planning and proper component matching. Part number 2782PNR is also cross-referenced to 2243451 and 97303756 for the same application.

Sealed Power uses modern materials and ISO- and QS-certified manufacturing processes to produce engine components that meet demanding engine service requirements. For buyers searching for a Sealed Power 2782PNR piston, this part provides the dimensional details needed for engine overhaul work on 2001-2005 Chevrolet Silverado 2500 HD and GMC Sierra 3500 platforms.

What This Piston Helps Address

• Worn or damaged piston crowns during engine rebuilds
• Loss of compression from piston wear or scoring
• Incorrect piston-to-bore matching in overhaul work
• Replacement needs for diesel engine bottom-end service
• Restoration of proper combustion chamber geometry in compatible GM trucks

Installation Notes and Tips

Verify cylinder bore diameter, compression height, and piston pin diameter before installation. Confirm ring thickness specifications against the engine build sheet and inspect the cylinder walls, connecting rods, and ring lands during assembly. Because assembly lubricant is not included, use the correct engine assembly lubricant during installation and follow the service manual for piston orientation, ring end gap, and torque procedures.

Quality Assurance

Sealed Power manufactures this piston using premium materials and controlled production standards supported by ISO and QS certified processes. Confirm all dimensions and engine codes before ordering to ensure the correct Sealed Power 2782PNR application for your Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, or GMC Sierra 3500 rebuild.