Sealed Power H1552CPA Engine Piston Set

Sealed Power H1552CPA Engine Piston Set

Sealed Power H1552CPA is a premium engine piston set built for modern high-compression applications that demand precise fit and stable performance. This hypereutectic engine piston is specified with a 103.9 mm bore diameter, 30.6 mm compression height, and 24.00 mm piston pin outside diameter for accurate engine rebuild work.

Key Features

• Premium-grade engine piston set from Sealed Power
• Hypereutectic piston material for controlled thermal expansion
• 103.9 mm bore diameter
• 30.6 mm compression height
• 24.00 mm piston pin outside diameter
• 1.25 mm top compression ring thickness
• 1.25 mm second compression ring thickness
• Standard bore, non-oversized design

Detailed Description

The Sealed Power H1552CPA piston is engineered for engine rebuilds that require a precise replacement piston with modern material characteristics. Sealed Power uses advanced materials and ISO- and QS-certified manufacturing processes to produce components that meet demanding engine requirements. This part cross-references Mopar 68090673AA for the same application. It is a direct-fit choice for select Dodge Challenger, Dodge Charger, Dodge Durango, Jeep Grand Cherokee, Jeep Wrangler, Jeep Grand Wagoneer, and Chrysler 300 applications where the listed bore and compression dimensions match the original engine specification.

What This Part Helps Address

• Worn or damaged original pistons
• Loss of compression from piston wear or scoring
• Engine rebuilds requiring standard-bore replacement pistons
• Fitment issues caused by incorrect compression height or pin diameter
• Restoration work on Dodge, Jeep, and Chrysler engines with the specified dimensions

Installation Notes and Tips

Verify bore diameter, compression height, and piston pin size before installation. Confirm ring thickness and engine code against the original piston specification during teardown. Clean the cylinder bores thoroughly, inspect the connecting rods and wrist pin fit, and follow factory service procedures for ring end gap, torque values, and break-in steps. Assembly lubricant is not included.

Quality Assurance

Sealed Power parts are manufactured with modern materials and controlled production standards to support consistent rebuild quality. H1552CPA is a premium engine piston set intended for accurate replacement in the listed applications, including 2011-2023 Dodge Challenger, 2012-2023 Dodge Charger, and 2012-2020 Jeep Grand Cherokee fitments.