Product Details

Product Overview

This high-quality DE12 Oil Cooler (Part Number: 65.05606-5027B) is a direct replacement component engineered specifically for Doosan heavy equipment diesel engines. Designed to maintain optimal engine operating temperatures, this oil cooler ensures efficient heat dissipation for the lubrication system, protecting critical engine components from thermal stress. We supply this critical engine part globally to markets in North America, Europe, Asia-Pacific, the Middle East, and South America, supporting construction, mining, and industrial applications.

Key Features & Benefits

• Precision Engineering: Manufactured to meet or exceed OEM specifications for exact fitment and reliable performance.
• Superior Heat Dissipation: Optimized core design ensures efficient cooling of engine oil, preventing premature wear and overheating.
• Durable Construction: Built with high-grade aluminum and corrosion-resistant materials to withstand harsh operating environments and thermal cycles.
• Direct Fit Replacement: Designed as a bolt-on component, reducing installation time and labor costs.
• Rigorous Testing: Each unit undergoes pressure and leak testing to guarantee zero defects upon delivery.

Technical Specifications

OEM Cross-Reference

This oil cooler is a direct replacement for the following OEM and reference numbers:

• OEM Number: 65.05606-5027B
• Alternative Number: 65.05606-5027

Compatibility

This oil cooler is specifically designed for Doosan DE12 series diesel engines. It is commonly used in the following applications:

• Doosan Excavators: Models powered by the DE12 engine (e.g., DX380, DX420, DX480 series).
• Doosan Industrial Engines: DE12 power units used in generators and industrial machinery.

Note: Please verify your engine model and existing part number before purchase to ensure compatibility.

Global Supply & Distribution

We are a dedicated supplier of premium aftermarket engine parts with a robust global logistics network. We offer:

• Worldwide Shipping: Reliable delivery via sea, air, and express couriers (DHL, FedEx, UPS, TNT).
• Major Markets Served: USA, Canada, UK, Germany, UAE, Saudi Arabia, Australia, Singapore, South Africa, and more.
• Fast Delivery: Stock available for immediate dispatch to major ports (Rotterdam, Shanghai, Houston, Jebel Ali) and industrial centers.
• International Compliance: Experienced in export documentation and customs clearance for smooth global transactions.

Quality Assurance

We prioritize quality and reliability. Our products are manufactured under strict quality control systems:

• Standards: Manufactured in ISO 9001 certified facilities.
• Testing: 100% pressure tested and leak checked before packaging.
• Warranty: Backed by a standard warranty against manufacturing defects.

FAQ

Q1: Is this oil cooler a direct replacement for the original Doosan part?

Yes, this oil cooler (65.05606-5027B) is designed as a direct bolt-on replacement for the OEM Doosan part. It matches the original specifications for size, mounting points, and performance characteristics.

Q2: What are the signs that my DE12 oil cooler needs replacement?

Common indicators include engine overheating, oil temperature warnings, visible oil leaks around the cooler, or mixing of oil and coolant. Regular inspection during maintenance intervals is recommended.

Q3: Do I need to replace any other parts when installing a new oil cooler?

It is highly recommended to replace the oil cooler gaskets and seals during installation to ensure a proper, leak-free seal. Always use new engine oil and a new oil filter after replacing the cooler to maintain system cleanliness.

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 .