Product Overview

This is a premium-quality, water-cooled turbocharger engineered for the Isuzu 4BD1 diesel engine, specifically used in KOBELCO SK120-3, SK120-5, and SK120-6 series excavators. As a leading global supplier of heavy-duty engine components, we provide reliable parts with direct shipping to major industrial hubs across North America, Europe, the Middle East, and Asia-Pacific, supporting the maintenance and uptime of critical construction equipment worldwide.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM specifications for perfect fitment and optimal performance, ensuring seamless integration with the 4BD1 engine system.
• Enhanced Durability: Constructed with high-grade materials and advanced water-cooling technology to manage extreme exhaust temperatures, significantly extending service life under demanding operating conditions.
• Restored Engine Performance: Directly replaces worn units to restore factory-level boost pressure, fuel efficiency, and power output, minimizing machine downtime.
• Rigorous Quality Control: Each unit undergoes stringent pressure and balance testing to guarantee reliability and prevent premature failure.
• Global Logistics Support: Streamlined export process with comprehensive documentation (commercial invoice, packing list, certificate of origin) for smooth customs clearance in your region.

Technical Specifications

OEM Cross-Reference

This turbocharger is a direct replacement for the following OEM and aftermarket part numbers. Always verify the number on your original unit for confirmation.

• 49189-00540 (Primary KOBELCO/Isuzu Number)
• 49189-00550 (Alternative KOBELCO/Isuzu Number)
• 5I7952
• 8971159720
• 8971159721

Compatibility

This turbocharger is designed for the Isuzu 4BD1 industrial diesel engine. Its primary application is in the following KOBELCO excavator models, commonly found in construction, mining, and quarrying operations from the late 1990s to 2000s.

• Excavator Models: KOBELCO SK120-3, SK120-5, SK120-6
• Engine: Isuzu 4BD1 Water-Cooled Diesel Engine

Global Supply & Distribution

We specialize in the international distribution of heavy equipment parts. Our established supply chain ensures efficient delivery to key global markets.

• Worldwide Shipping: Available via air or sea freight from our warehouses.
• Major Markets Served: North America (USA, Canada, Mexico), European Union, United Kingdom, Australia, Middle East (UAE, Saudi Arabia), Southeast Asia, and South America.
• Fast Port Delivery: Priority routing to major ports including Los Angeles, Rotterdam, Hamburg, Singapore, Jebel Ali, and Sydney.
• Export Compliance: All shipments are prepared with full international trade documentation to ensure hassle-free import for B2B clients.

Quality Assurance

We partner with ISO-certified manufacturers to deliver components that meet rigorous performance standards.

• Manufacturing Standards: Production follows ISO 9001 quality management systems.
• Testing: Every turbocharger is dynamically balanced and undergoes a comprehensive leak test (oil/water/air) prior to shipment.
• Warranty: Backed by a standard 12-month warranty against manufacturing defects, subject to proper installation and use.

FAQ

Q1: How can I confirm this turbocharger is the correct part for my KOBELCO SK120 excavator?
A1: The most reliable method is to cross-reference the part number stamped on your original turbocharger. Match it against the OEM numbers listed in the OEM Cross-Reference section above (e.g., 49189-00540, 5I7952). Also, verify your machine model (SK120-3/5/6) and engine model (Isuzu 4BD1).

Q2: What are the critical steps for installing this water-cooled turbocharger to ensure longevity?
A2: Key installation steps include: 1) Priming the oil system by cranking the engine with the fuel off before first start-up. 2) Ensuring all coolant lines are properly connected and bled of air to prevent overheating. 3) Tightening all intake, exhaust, oil, and coolant connections to specified torque values to avoid leaks. Always follow the official service manual procedures.

Q3: Do you support bulk orders for fleet maintenance or dealership inventory?
A3: Yes, we actively support B2B clients with volume pricing for wholesale, dealership, and fleet orders. We can arrange consolidated container shipments (LCL/FCL) for significant cost savings and provide customized documentation packs. Contact our sales team for a competitive quote tailored to your regional import needs.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .