Mahle - Engine Piston Ring Set - 42246

Mahle Engine Piston Ring Set – 42246 (Standard Size)

The Mahle 42246 piston ring set is built for precision, performance, and durability in high-compression engine environments. Designed with Plasma-Moly coated top rings and a cast iron second ring, this set delivers excellent wear resistance, superior sealing, and optimal oil control—making it ideal for OE replacement or engine rebuilds.

This standard size ring set is engineered to meet premium-grade specifications, offering consistent cylinder sealing and reliable performance under heavy-duty conditions.

Key Specifications:

• Piston Ring Size: Standard

• Bore Diameter: 3.8661 in

• Top Ring Thickness: 0.0984 in

• Second Ring Thickness: 0.0783 in

• Oil Ring Thickness: 0.0984 in

• Top Ring Material: Carbon Steel

• Second Ring Material: Cast Iron

• Oil Ring Type: 2-piece GNS assembly

• Ring Face Coating: Plasma-Moly

• Item Grade: Premium

Note: This set includes rings for one piston. For full engine service, multiple sets may be required depending on the number of cylinders.

📞 Call 1-800-228-8482 or 📧 Email parts@southcentraldiesel.com for availability, fitment verification, or to pair with matching pistons and engine rebuild components.