MAHLE 144TC21005000 Turbocharger for Navistar DT466 DT466B DT523 DVT523

The MAHLE 144TC21005000 is an OE-quality replacement turbocharger engineered for Navistar DT466, DT466B, DT523, and DVT523 diesel engines found in heavy-duty trucks, agricultural tractors, and industrial equipment. Built to original equipment standards, this turbocharger restores lost boost pressure and engine performance to factory specification.

Key Features:

• OE-grade construction — manufactured to meet original equipment standards for fit, form, and function
• High-speed compressor wheel for efficient airflow and responsive boost delivery
• Double piston rings on rotor shaft to minimize oil leakage and extend service life
• Turbine housing made of high-tech materials for superior heat resistance under heavy-duty operating conditions
• Functionally process-controlled center housing ensures precision balancing and long-term reliability
• Electron-welded rotor shaft and wheels for maximum structural integrity at high rotational speeds

Engine Applications:

• Navistar DT466 — 7.6L inline-6 diesel
• Navistar DT466B — 7.6L inline-6 diesel
• Navistar DT523 — 8.6L inline-6 diesel
• Navistar DVT523 — 9.4L inline-6 diesel

OEM & Cross-Reference Part Numbers:

• MAHLE: 144 TC 21005 000
• Navistar/IHC: 1806077C91, 1806078C91, 1806079C91, 1806080C91, 1806081C91
• Garrett: 409770-0003, 409770-0005, 409770-0006, 409770-0007, 409770-0008

The MAHLE 144TC21005000 is a direct-fit solution for restoring turbocharger function on Navistar diesel engines used in medium and heavy-duty commercial and agricultural applications.