GT2256MS 8973267520 Turbocharger Parts for Isuzu 4HG1-T 120HP Diesel Engine
Product Introduction
This GT2256MS fixed-geometry turbocharger is specially calibrated for Isuzu 4HG1-T series commercial diesel engines, widely applicable to light-duty trucks, municipal vehicles and engineering machinery. Built with a mature floating bearing structure and high-strength cast iron housing, it delivers stable boost output and reliable performance under frequent start-stop and medium-load operating conditions. Manufactured in strict accordance with original equipment specifications, it is a cost-effective and durable replacement option for commercial vehicle routine maintenance and engine overhaul.
Product Specifications
| Item |
Specification |
| Turbo Model |
GT2256MS |
| OE Number |
8973267520 |
| Features |
Fixed-geometry design, commercial-grade durability, optimized low-end torque |
| Application |
Isuzu 4HG1-T 120HP Diesel Engine |
Product Advantages
- Engine-Specific Calibration: Precisely matched to the 120HP output characteristic of Isuzu 4HG1-T engine, with stable boost pressure that avoids overboost risk and protects engine components.
- Commercial-Grade Durability: Full-floating bearing system and ductile iron turbine housing adapt to frequent start-stop urban delivery and long-hour operation, effectively extending service life.
- Optimized Low-End Torque: Aerodynamically optimized compressor wheel improves medium and low speed air intake efficiency, delivering strong torque for fully loaded starting and hill climbing.
- Enhanced Sealing Performance: Upgraded oil seal structure reduces oil consumption during long-mileage operation, lowering daily maintenance costs for commercial fleets.
- Bolt-On Installation: 100% dimensional consistency with original parts, perfectly matching original pipelines and brackets, no modification required to reduce vehicle downtime.




