Product Overview

This high-performance radiator is engineered for Komatsu PC120-5 excavators equipped with the 4D95 diesel engine. As a direct replacement for OEM part numbers 203-03-56120 and 203-03-59610, it is manufactured to exacting standards to ensure optimal engine cooling and longevity. We specialize in global B2B supply, serving major industrial markets across North America, Europe, the Middle East, and Asia-Pacific with reliable shipping and export compliance.

Key Features & Benefits

• Precision Engineered: Manufactured to meet or exceed OEM specifications for a perfect fit and seamless installation.
• Superior Heat Dissipation: Constructed from high-grade alloy steel for excellent thermal conductivity and corrosion resistance, ensuring stable engine operating temperatures.
• Enhanced Durability: Robust construction withstands the vibrations and stresses of heavy-duty operation in demanding environments.
• Global Compatibility: Designed for international machinery fleets, ensuring reliable performance wherever your equipment operates.
• Cost-Effective Solution: Provides OEM-level quality and performance at a competitive price, reducing downtime and maintenance costs.

Technical Specifications

OEM Cross-Reference

This radiator is a direct interchange for the following OEM part numbers:

• Komatsu: 203-03-56120
• Komatsu: 203-03-59610

Always verify part numbers against your machine’s serial number or existing component for absolute confirmation.

Compatibility

Primary Application: This radiator is specifically designed for Komatsu PC120-5 excavators utilizing the 4D95 series diesel engine.

Wider Machinery Application: The 4D95 engine platform is also utilized in various other heavy machinery. This radiator may be compatible with certain models of:

• Excavators
• Loaders
• Bulldozers
• Forklifts
• Trucks & Buses

Note: Compatibility for non-PC120-5 applications should be verified by comparing dimensions and port configurations with the original part.

Global Supply & Distribution

We are a trusted partner for international construction, mining, and logistics companies. Our supply chain is optimized for global trade:

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, Poland), the Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Singapore).
• Efficient Logistics: Fast containerized (FCL/LCL) and air freight options to key industrial ports and hubs.
• Export Expertise: All documentation (Commercial Invoice, Packing List, Certificate of Origin) is provided for smooth customs clearance.
• Bulk & Wholesale Focus: Competitive pricing for large orders, supporting distributors and fleet operators.

Quality Assurance

• Manufacturing Standards: Produced in ISO-certified facilities using advanced manufacturing techniques.
• Rigorous Testing: Each unit undergoes pressure and flow testing to ensure there are no leaks and that it meets performance benchmarks. A machinery test report is provided.
• Video Inspection: Optional video outgoing-inspection is available to verify product quality and packaging before shipment.
• Warranty: Backed by a 6-month warranty against manufacturing defects, providing peace of mind for our B2B clients.

FAQ

Q1: How can I confirm this radiator will fit my Komatsu PC120-5 excavator?
A1: The surest method is to cross-reference the part number on your existing radiator. This unit replaces OEM numbers 203-03-56120 and 203-03-59610. Providing your machine’s serial number can also help us confirm compatibility.

Q2: What is included in the “Neutral Packing,” and is it suitable for international shipping?
A2: Neutral packing means the product is shipped in non-branded, sturdy export cartons designed to protect the radiator during long-distance transit. It is the standard for B2B international trade, ensuring safe delivery and facilitating easier customs processing for resellers.

Q3: Do you provide any documentation or reports with the product?
A3: Yes. A detailed machinery test report is provided with each shipment, verifying the product has passed quality checks. For an additional layer of assurance, we can arrange a video outgoing-inspection where you can see the specific units being packed for your order.

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 .