GT2256MS Turbo 8973267521 431876-0145 Turbocharger for Isuzu Truck NPR With 4HG1-T Engine

GT2256MS Turbo 8973267521 431876-0145 for Isuzu NPR 4HG1-T Engine Turbocharger OEM Replacement

Product Overview

The GT2256MS Turbocharger is designed for Isuzu NPR trucks equipped with the 4HG1-T diesel engine, providing reliable boost pressure, improved fuel efficiency, and stable performance under heavy-duty working conditions.

Commercial-Grade GT2256MS Turbocharger for Isuzu NPR Trucks with 4HG1-T Engine

• Direct OEM Replacement: Specifically engineered for a 1:1 "drop-in" fit for Isuzu 4HG1-T (4.6L) turbo diesel engines, ensuring a seamless replacement for NPR and Elf truck series.
• Optimized for Commercial Hauling: Tuned to restore the high-torque characteristics and fuel economy required for daily transport, delivery, and heavy-duty logistics tasks.
• Superior Heat Resistance: Equipped with a premium K18 Nickel-Alloy Turbine Wheel, providing exceptional structural integrity under the high thermal stress of heavy-load commercial operation.
• Precision VSR Balancing: 100% dynamic balancing tested at 150,000+ RPM to ensure ultra-smooth operation, zero vibration, and maximum bearing life for long-haul reliability.
• Factory Direct Quality: Manufactured by Zhongke Turbo with nearly 30 years of manufacturing excellence (ISO 9001 & IATF 16949 Certified).

Technical Specifications & OEM Cross-Reference

Applications

• Isuzu NPR Trucks: Medium-duty configurations with the 4.6L 4HG1-T engine.
• Isuzu Elf Series: NKR, NPR models utilizing the 4HG1 turbo-diesel platform.
• Commercial Fleets: Delivery trucks, vocational vehicles, and logistics units.
• Isuzu Numbers: 8973267521, 8973267520, 8-97326-752-1, 8-97326-752-0
• Garrett/Interchange: 704136-5003S, 704136-0001, 704136-5001S, 431876-0145 

FAQs

Q1: How do I verify if this GT2256MS turbocharger fits my Isuzu NPR? 

Please check the nameplate on your current turbocharger for the part number 8973267521 or 704136-5003S. These are the primary identifiers for the 4HG1-T engine. If you are unsure, please provide your Engine Serial Number to our support team for a free fitment audit.

Q2: Will this turbo help improve my truck's fuel efficiency? 

Yes. By restoring the original factory boost levels, our turbochargers ensure the 4HG1-T engine maintains its optimal air-to-fuel ratio, which is critical for both engine power and fuel economy under heavy loads.

Q3: What makes Zhongke’s turbos reliable for commercial logistics? 

Logistics trucks operate under constant stress. We use genuine K18 nickel-alloy wheels and perform VSR high-speed balancing to ensure that our turbochargers can handle the high mileage and thermal stress of commercial hauling without premature bearing failure.

Q4: What type of warranty do you provide for fleet orders? 

As a direct manufacturer with nearly 30 years of experience, we provide full technical support for truck owners and fleet managers worldwide.

Q5: Do you provide worldwide shipping? What is the delivery timeframe? 

We ship globally via premium carriers like DHL, FedEx, and UPS, as well as sea freight for bulk orders. In-stock items are typically dispatched within 24–48 hours. Express delivery to North America and Europe usually takes 5–7 business days.

About Us

Fengcheng Zhongke Turbocharger Co., Ltd. is a leading high-tech factory specializing in the R&D, production, and global distribution of high-performance turbochargers. Based in Fengcheng—one of the world’s most renowned turbocharger manufacturing hubs—we have grown from a local workshop into a global supplier, serving heavy-duty, commercial, and passenger vehicle markets worldwide.

At Zhongke, we don't just "make" parts.we engineer reliability.

• Material Integrity: We exclusively use K18 Nickel-Alloy turbine wheels, capable of withstanding extreme exhaust temperatures (up to 950°C) without deformation.
• Dynamic Balancing: 100% of our turbochargers undergo high-speed dynamic balancing tests at 150,000+ RPM to guarantee zero vibration and extended bearing life.
• Certified Quality: Our production processes are certified under ISO 9001 and IATF 16949, the gold standards for the global automotive and heavy-machinery industries.

Manufacturing Prowess:Our facility is equipped with state-of-the-art production lines, including precision 5-Axis CNC machining centers, high-speed VSR (Vibration Sorting Rig) balancing machines, and advanced material testing labs.

Our Specialization:We maintain a vast inventory of over 3,500+ turbocharger models, with a focus on heavy-duty and construction machinery engines, including Cummins, Caterpillar, Komatsu, Scania, Kobelco, and Hitachi. Beyond heavy-duty machinery, we also provide a comprehensive range of turbochargers for passenger vehicles and light commercial vans. Our catalog covers over 1,000 applications for leading automotive brands including Nissan, Audi, BMW, Mercedes-Benz, Toyota, Honda, and Hyundai. Focused on optimizing fuel efficiency and restoring factory horsepower, our passenger car turbos are engineered with the same precision and K18 heat-resistant materials as our industrial line, ensuring reliable performance for daily commuting and high-speed driving alike.

Global Partnership & Support: Zhongke Turbo is more than just a manufacturer; we are your long-term technical partner. With nearly 30 years of export experience, we understand the logistics and technical requirements of the international market. We provide a warranty and dedicated technical support to help our partners succeed.

• Key Export Regions: North America, Europe, the Middle East, Africa, Latin America, and Southeast Asia.

Experience the difference of nearly 30 years of factory expertise. Contact us today for wholesale inquiries or technical consultations.