Mahle 42192CP Engine Piston Ring Set

Mahle 42192CP Piston Ring Set Overview

The Mahle 42192CP engine piston ring set is a premium replacement for select Chevrolet Cruze, Chevrolet Sonic, and Saturn Astra applications. Built to OE-driven standards, it focuses on controlled friction, reduced oil consumption, and consistent sealing performance for everyday street use and rebuild work.

Compatible with 2010-2015 Chevrolet Cruze, 2012-2015 Chevrolet Sonic, and 2008-2009 Saturn Astra, this Mahle piston ring set uses a shallow groove design with stainless steel top rings, cast iron second rings, and a GNS-coated oil ring assembly for precise cylinder sealing.

Key Features

• Part number 42192CP
• Premium-grade engine piston ring set
• 3.1693 in bore diameter
• Standard oversize configuration
• Shallow groove size
• Top ring material: stainless steel
• Second ring material: cast iron
• Oil ring assembly material: GNS
• Piston ring face coating: GNS
• Top ring thickness: 0.0469 in
• Second ring thickness: 0.0469 in
• Oil ring assembly thickness: 0.0787 in

Detailed Description

Mahle 42192CP is engineered for engines that require a standard-size piston ring set with shallow groove compatibility. The stainless steel top ring and cast iron second ring are selected to support sealing stability, while the GNS-coated face and oil ring assembly help manage friction and oil control under normal operating conditions. For shoppers searching for a piston ring set for Chevrolet Cruze 1.4L-style rebuild applications, Chevrolet Sonic engine repair, or Saturn Astra cylinder block service, this part number provides a direct-fit option within the listed vehicle coverage.

This part cross-references Hastings Piston Rings 2C5185 for the same application.

Common Repair Uses

• Restoring compression loss from worn piston rings
• Reducing excessive oil consumption caused by ring wear
• Addressing blow-by and crankcase pressure buildup
• Correcting poor cylinder sealing during engine rebuilds
• Replacing rings during top-end or full engine service

Installation Notes and Tips

Verify bore diameter, ring groove depth, and cylinder condition before installation. Clean the piston ring lands thoroughly, check end gaps to the engine builder’s specifications, and confirm the shallow groove design matches the piston being serviced. Proper cylinder honing and ring seating procedures are important for sealing performance on Chevrolet Cruze, Chevrolet Sonic, and Saturn Astra engine rebuilds.

Quality Assurance

Mahle piston rings are developed around OE requirements and are built to support low-friction operation, oil control, and service life expectations in modern engine applications. The 42192CP reflects Mahle’s premium engine component standards for precision fit and consistent performance.