Mahle S224-3861 Engine Piston

OE-Style Engine Piston for Chrysler and Dodge V8 Applications

The Mahle S224-3861 engine piston is built to OE-quality standards for Chrysler, Dodge, and Jeep 5.7L applications that require standard-size piston service. It features an aluminum piston body, coated skirt, and expansion-controlled design to help maintain proper clearances, reduce noise, and support stable oil control.

For Chrysler 300, Dodge Challenger, Dodge Charger, Dodge Magnum, and Jeep Grand Cherokee engines, this piston is engineered with compensated ring grooves for consistent ring loading and oil control. The Mahle S224-3861 is a direct-fit service piston for standard bore applications that call for a piston without rings.

Key Features

• OE-quality Mahle piston for engine rebuild and repair work
• Aluminum construction for standard piston service applications
• Coated skirt helps support reduced friction and quieter operation
• Compensated ring grooves help maintain ring loading and oil control
• Expansion-controlled design supports small fitting clearances
• Standard size, non-oversized piston
• Top compression ring thickness: 1.50 mm
• Second compression ring thickness: 1.50 mm
• Oil ring thickness: 3.00 mm
• Piston pin outside diameter: 25.00 mm

Detailed Description

Mahle S224-3861 is an OE-style engine piston designed for standard-size service in select Chrysler, Dodge, and Jeep engines. Mahle is a major OE piston manufacturer, and this piston reflects that background with features focused on fit, ring control, and durability in everyday engine operation. The aluminum piston material and expansion-controlled design help maintain proper clearance as the engine heats up, while the skirt coating supports smoother movement in the cylinder.

This part cross-references Chrysler 5037491AB and 68031890AD for the same application. It is a strong match for rebuilders searching for a Mahle piston for Chrysler 300, Dodge Charger, or Jeep Grand Cherokee engine service, especially when standard bore dimensions and OE-style ring control are required. Part number S224-3861 is also commonly searched as Mahle S224-3861 for these V8 applications.

What This Piston Helps Address

• Worn or damaged piston replacement during engine rebuilds
• Excessive piston noise from improper clearance or wear
• Oil control issues related to worn ring grooves or piston wear
• Compression loss caused by piston damage or cylinder service needs
• Standard-bore engine repair where OE-style piston geometry is required

Installation Notes and Tips

Verify bore size, ring selection, and engine code before installation. This piston is standard size and is listed as piston without rings; use ring #42089CP where specified in the fitment notes. Confirm piston pin diameter, ring groove dimensions, and skirt clearance during assembly to match the engine builder’s specifications. Mahle S224-3861 should be installed as part of a complete inspection of the cylinder walls, rings, and related wear components.

• Fits 2005-2010 Chrysler 300, N/A
• Fits 2008-2010 Dodge Challenger, N/A
• Fits 2006-2010 Dodge Charger, N/A
• Fits 2006-2010 Jeep Grand Cherokee, N/A
• Fits 2006-2008 Dodge Magnum, N/A

Quality Assurance

Mahle manufactures OE-quality pistons and supplies components to major vehicle programs worldwide. The S224-3861 is built to the same type of dimensional and functional standards expected in OE service, with attention to ring control, clearance management, and consistent engine operation.