Engine Piston Kit – STD 4.110” with Rings Installed

This Mahle engine piston kit is designed for Navistar 7.3L (444 CID) V8 turbo diesel engines. The piston comes in standard bore size (4.110”) and includes pre-installed piston rings for easy installation. Manufactured from high-strength cast aluminum alloy, it offers excellent thermal resistance, durability, and reduced friction performance under heavy-duty operating conditions.

The piston features a reinforced wrist pin bore and optimized skirt design to ensure long service life and reliable engine performance in commercial trucks and heavy-duty applications.