Mahle 42155CP.030 Engine Piston Ring Set

Mahle 42155CP.030 Piston Ring Set

Mahle 42155CP.030 is a premium engine piston ring set built for precise sealing, controlled oil use, and reduced friction. It is sized at 0.030 in oversize with a 3.8091 in bore diameter and shallow groove configuration for confirmed applications across Chrysler, Dodge, Jeep, and Ram vehicles.

Key Features

• Premium-grade engine piston ring set for rebuild and overhaul work
• 0.030 in oversize with 3.8091 in bore diameter
• Top ring material: carbon steel with plasma-moly face coating
• Second ring material: cast iron for stable sealing performance
• Oil ring assembly material: stainless steel for durability and oil control
• Shallow groove design for listed OE-style applications
• Mahle 42155CP.030 is engineered around OE requirements for lower friction and longer service life

Detailed Description

Mahle piston rings are developed to meet modern engine demands for sealing efficiency, reduced ring mass, and controlled oil consumption. This Mahle 42155CP.030 piston ring set uses a carbon steel top ring with plasma-moly face coating, a cast iron second ring, and a stainless steel oil ring assembly to support consistent cylinder sealing and oil management. The shallow groove design and premium material grade make it a strong choice for engine rebuilds where correct ring fitment and ring face durability matter. For buyers searching for a Mahle 42155CP.030 piston ring set for Chrysler 300, Dodge Charger, or Jeep Wrangler applications, this part is built around the listed OE-style specifications.

This part cross-references no additional part numbers provided in the supplied data.

What It Is Used For

• Restoring cylinder compression in worn engines
• Reducing oil consumption caused by ring wear
• Addressing blow-by from damaged or fatigued piston rings
• Supporting rebuilds that require a 0.030 in oversize ring set
• Replacing rings in engines with shallow groove piston design requirements

Installation Notes and Tips

Verify bore diameter, ring groove style, and oversize specification before installation. Confirm the engine has been properly measured and honed for 0.030 in oversize use, and check ring end gaps according to the engine builder’s specifications. Clean ring lands thoroughly and inspect cylinders for taper, scoring, or out-of-round conditions before assembly. Fits 2011-2017 Chrysler 200, N/A; Fits 2011-2017 Chrysler 300, N/A; Fits 2011-2017 Dodge Challenger, N/A; Fits 2011-2017 Dodge Charger, N/A; Fits 2011-2017 Dodge Grand Caravan, N/A; Fits 2011-2017 Dodge Journey, N/A; Fits 2012-2017 Jeep Wrangler, N/A; Fits 2013-2017 Ram 1500, N/A; Fits 2014-2017 Ram ProMaster 1500, N/A; Fits 2014-2017 Ram ProMaster 2500, N/A; Fits 2014-2017 Ram ProMaster 3500, N/A; Fits 2011-2016 Chrysler Town & Country, N/A; Fits 2011-2016 Jeep Grand Cherokee, N/A; Fits 2011-2015 Dodge Durango, N/A; Fits 2012-2015 Ram C/V, N/A; Fits 2011-2014 Dodge Avenger, N/A.

Quality Assurance

Mahle positions this piston ring set as a premium component built to OE-driven standards, with attention to friction reduction, oil control, and service life. The material selection and plasma-moly face coating reflect the brand’s focus on current piston ring technology for engine rebuild applications.