Sealed Power E-985KC Engine Piston Ring Set

Sealed Power E-985KC Piston Ring Set

Sealed Power E-985KC is a standard-size engine piston ring set built for 89.00 mm bores and 1.2 x 1.2 x 2.8 mm ring grooves. It uses a steel top ring with chrome, a grey iron second ring with phosphate coating, and a 3-piece flex vent oil ring for precise sealing in supported Honda and Acura V6 applications.

Built for vehicles such as the Honda Odyssey, Honda Pilot, Acura MDX, and Acura TL, this ring set is specified for a range of 3.5L and related engine applications that require standard bore dimensions and the listed groove widths. Part number E-985KC is also cross-referenced to 2C4972 for the same application.

Key Features

• Standard-size piston ring set for 89.00 mm bore diameter
• Top ring material: steel with chrome face for wear resistance
• Second ring material: grey iron with phosphate coating
• Top ring face design: barrel face
• Second ring face design: reverse torsional
• Oil ring design: 3-piece flex vent
• Ring groove widths: 1.2 mm x 1.2 mm x 2.8 mm
• Fits 6-cylinder engine applications

Detailed Description

Sealed Power designs engine components with modern materials and controlled manufacturing processes to meet the demands of current engines. E-985KC follows that approach with a chrome steel top ring, a phosphate-coated grey iron second ring, and a flex vent oil ring package that supports cylinder sealing, oil control, and stable ring operation in standard-bore builds. This part number is commonly searched for Honda Odyssey piston ring set, Honda Pilot piston ring set, and Acura MDX piston ring set applications.

Compatible vehicle coverage includes Fits 2005-2019 Honda Odyssey, N/A; Fits 2005-2018 Honda Pilot, N/A; Fits 2001-2006 Acura MDX, N/A; Fits 2014-2017 Acura MDX, N/A; Fits 1999-2014 Acura TL, N/A; and Fits 2008-2017 Honda Accord, N/A, among other listed applications. If you are sourcing Sealed Power E-985KC for an Acura TL or Honda Ridgeline rebuild, verify bore size, groove width, and engine code before assembly.

What This Part Helps Address

• Excessive oil consumption from worn or stuck oil control rings
• Low compression caused by worn piston rings
• Blow-by from poor cylinder sealing
• Ring wear in high-mileage Honda and Acura V6 engines
• Loss of ring tension or sealing performance during engine rebuilds

Installation Notes and Tips

Confirm the cylinder bore measures 89.00 mm and that the piston ring grooves match 1.2 x 1.2 x 2.8 mm before installation. Check ring end gap, ring orientation, and cylinder wall condition during engine assembly. File fit is listed as N, so do not assume additional fitting is required without verifying the application and service procedure.

For best results, clean the piston grooves thoroughly, inspect the bores for taper or scoring, and follow the engine builder’s ring installation and break-in specifications. Use the vehicle application data to confirm the correct Honda Odyssey, Honda Pilot, Acura MDX, Acura TL, or Honda Accord engine match before final assembly.

Quality Assurance

Sealed Power states that its parts are produced with leading-edge materials and ISO- and QS-certified manufacturing practices to support consistent product quality. E-985KC is built to standard dimensions and application-specific specifications for accurate engine rebuild work.