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Product Details
Product Overview
This high-performance 4HK1 Turbocharger RHF55 is a direct replacement component specifically designed for the Hitachi ZAX240-3 excavator series. Engineered to restore and enhance engine power, this turbocharger ensures optimal air intake and combustion efficiency for your heavy machinery.
Manufactured under the renowned brand, this unit carries the critical OEM reference numbers 8973628390 and 8-97362-8390, guaranteeing a precise fit for the Isuzu 4HK1 diesel engine commonly used in Hitachi ZAX240-3 models. It is supplied as a 100% new, complete assembly, ready for installation.
Key Features & Benefits
100% New, No-Core Return: This is a brand-new turbocharger unit, eliminating the downtime and complexity of core exchange programs. It offers a straightforward “install-and-go” solution.
Precision OEM Fitment: Matches OEM numbers 8973628390 and 8-97362-8390, ensuring direct bolt-on compatibility with the Isuzu 4HK1 engine without modifications.
Proven Quality: Manufactured by, a global leader in engine components, known for rigorous quality control and durable materials that meet or exceed original equipment specifications.
Restored Engine Performance: Recovers lost horsepower and torque, reduces black smoke, and improves fuel efficiency by ensuring the correct air-fuel ratio for the combustion cycle.
Enhanced Durability: Built with high-grade heat-resistant alloys and precision bearings to withstand the extreme temperatures and rotational speeds of a diesel turbocharger.
Comprehensive Support: Backed by a 3-month warranty and online technical support to assist with any post-purchase inquiries or installation questions.
Technical Specifications
Specification
Detail
Part Type
Turbocharger
OEM Number
8973628390 / 8-97362-8390
Chra / Turbo Model
RHF55
Engine Model
4HK1
Condition
100% New
Application
Engineering Machinery / Excavator
Engine Type
Diesel
Weight
Approx. 25 kg
Warranty
3 Months
Packing
Packing
Place of Origin
Shanghai, China
OEM Cross-Reference
This turbocharger is a direct replacement for the following original equipment manufacturer numbers:
Isuzu / Hitachi OEM: 8973628390
Isuzu / Hitachi OEM (Alternate): 8-97362-8390
Note: This is a specific RHF55 model. Always verify the turbocharger model stamp on your existing unit to ensure 100% compatibility.
Compatibility
This RHF55 turbocharger is specifically designed for the Isuzu 4HK1 diesel engine. It is commonly used for the following applications:
Excavator: Hitachi ZAX240-3
Important Fitment Note: While this unit is a direct match for the Hitachi ZAX240-3 with the 4HK1 engine, please confirm your original turbocharger model is RHF55 and the OEM number matches 8973628390 before purchase.
Global Supply & Distribution
We specialize in the global export of heavy machinery engine parts, ensuring fast and reliable delivery to industrial centers worldwide. Our logistics network covers all major markets:
North America: Rapid shipping to the US, Canada, and Mexico via air and sea freight.
Europe: Direct delivery to ports in Rotterdam, Hamburg, and major distribution hubs in Germany, the UK, and France.
Asia-Pacific: Quick dispatch to Singapore, Japan, South Korea, and Australia.
Middle East & Africa: Reliable shipping to UAE, Saudi Arabia, South Africa, and other key markets.
South America: Regular shipments to Brazil, Chile, and Argentina.
We offer flexible shipping options including express courier (DHL, FedEx, UPS) for urgent orders and economical sea freight for bulk purchases.
Quality Assurance
Each turbocharger undergoes strict quality control procedures to ensure it meets performance and safety standards:
Manufacturing Standards: Produced in an ISO-certified facility with advanced machining and assembly processes.
Balancing: Rotating assemblies are dynamically balanced to minimize vibration and ensure long service life.
Material Quality: Uses high-temperature resistant castings and durable bearing systems.
Warranty: Backed by a standard 3-month warranty against manufacturing defects.
Post-Sale Support: Our technical team provides online support to assist with installation guidance and troubleshooting.
FAQ
Q1: How can I confirm this RHF55 turbocharger fits my Hitachi ZAX240-3? A: The most reliable method is to check the identification plate on your current turbocharger. It should read “RHF55”. Additionally, verify the OEM part number stamped on the housing. If it matches 8973628390 or 8-97362-8390, this turbocharger is the correct direct replacement for your 4HK1 engine.
Q2: What is included in the package? Is it a complete unit? A: Yes, this is a complete turbocharger assembly. It comes as a single, new unit ready for installation. It includes the center housing rotating assembly (CHRA) with turbine and compressor wheels, mounted on the bearing housing. Please note that oil feed and drain lines, gaskets, and mounting hardware are typically separate purchases and should be replaced during installation.
Q3: What is the recommended maintenance after installing a new turbocharger? A: After installation, it is critical to perform the following: 1) Prime the turbo with clean engine oil before starting the engine to prevent dry start damage. 2) Run the engine at idle for a few minutes after a heavy load to allow the turbo to cool down before shutting off. 3) Always use high-quality engine oil and filters at the recommended intervals to ensure long turbocharger life.
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