Komatsu 6.7L Turbo Assembly 2014-2018: OEM 5321720

High-Flow Turbocharger Solution for Komatsu 6.7L Engines (2014–2018)

What is it?
The Komatsu 6.7L Turbo Assembly for model years 2014–2018, designated by OEM part number 5321720, is a complete turbocharger unit designed to deliver pressurized air into the engine’s intake system. By forcing more air into the combustion chamber, the turbo assembly helps improve the efficiency of combustion and supports better overall engine responsiveness across a range of operating conditions.

Why choose this Turbo Assembly?
This turbocharger is built to Komatsu’s original specifications for the 6.7L engine platform, ensuring exact fit and reliable compatibility with the engine’s air-intake system, exhaust routing, and lubrication circuits. Worn or damaged turbochargers can reduce engine responsiveness and contribute to elevated exhaust temperatures or inconsistent operation. Choosing the correct OEM unit helps preserve consistent air delivery behavior and dependable engine response.

Key Benefits
✅ Designed specifically for Komatsu 6.7L turbocharger applications
✅ Helps deliver consistent airflow for effective combustion support
✅ Maintains dependable induction behavior in varied duty cycles
✅ Direct replacement — no modifications required
✅ Constructed for long-term service in heavy-duty environments

Applications
This turbo assembly is ideal for Komatsu 6.7L diesel engines used in medium- and heavy-duty trucks, construction equipment, and industrial machines produced from 2014 to 2018. It suits equipment that sees frequent load changes, demanding duty cycles, and applications where dependable engine response is vital.

Installation Notes
Before beginning service, allow the engine and exhaust components to cool fully. Remove the worn turbocharger assembly and inspect surrounding intake and exhaust piping, sensors, and oil lines for signs of wear or contamination. Install the replacement turbo assembly using proper gaskets, clamps, and fasteners, and ensure all oil feed and return lines are properly connected. After installation, prime the turbocharger with oil before starting the engine and verify correct operation with a warm-up test.

Final Thoughts
If your Komatsu 6.7L-equipped machine is showing signs of diminished responsiveness, elevated exhaust temperatures, or inconsistent air delivery, replacing the turbo assembly with the correct OEM-specified unit can help restore dependable airflow behavior. The Komatsu 6.7L Turbo Assembly (OEM 5321720) plays an essential role in sustaining efficient engine conditioning and reliable operation across demanding applications.