Product Details

Product Overview

This high-performance Oil Cooler (7N0165 / 7S6394) is a critical component designed specifically for the Caterpillar 3306 Diesel Engine. Manufactured to meet or exceed OEM specifications, this part ensures optimal engine temperature regulation, preventing overheating and extending the life of your heavy-duty equipment. We provide global shipping to major industrial markets, including North America, Europe, the Middle East, Southeast Asia, and Australia, ensuring fast and reliable delivery for your mining, construction, and agricultural operations.

Key Features & Benefits

• Superior Heat Dissipation: Engineered with high-density core fins and tubes for maximum cooling efficiency, even under extreme load conditions.
• OEM-Grade Durability: Constructed from corrosion-resistant materials to withstand high operating pressures and thermal stress, reducing the risk of leaks and failures.
• Direct Fit Replacement: Matches the exact dimensions and mounting points of the original Caterpillar part (7N0165 / 7S6394) for a seamless installation with no modifications required.
• Enhanced Engine Protection: Maintains stable oil temperatures, preventing thermal breakdown of lubricants and reducing engine wear.
• Rigorous Quality Testing: Every unit is pressure-tested and inspected to ensure zero defects and long-term reliability in harsh environments.

Technical Specifications

OEM Cross-Reference

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

• Caterpillar: 7N0165, 7S6394

Please verify your existing part number against the list above to ensure compatibility.

Compatibility

• Engine: Caterpillar 3306 (Naturally Aspirated and Turbocharged variants).
• Applications: Caterpillar D6D/D6H/D6R Track-Type Tractors, 966C/966D Wheel Loaders, 225/235 Excavators, and various generator sets and industrial engines.
• Year Range: 1970s – 1990s (general production years for the 3306 platform).

Global Supply & Distribution

We specialize in international B2B supply chains, offering fast and reliable shipping to major ports and industrial hubs worldwide. Our distribution network covers:

• North America: Los Angeles, Houston, Chicago, Toronto
• Europe: Rotterdam, Hamburg, Antwerp
• Asia-Pacific: Singapore, Shanghai, Dubai, Sydney
• Middle East & Africa: Jebel Ali, Dammam, Johannesburg

We provide comprehensive export documentation and customs clearance support to ensure a smooth transaction for our global partners.

Quality Assurance

• Manufacturing Standard: ISO 9001:2015 certified production facility.
• Testing: Each oil cooler undergoes a 100% pressure test and visual inspection for core blockages or fin damage before shipment.
• Warranty: 12-month warranty against manufacturing defects (excluding damage from improper installation or abuse).

FAQ

Q: Is this oil cooler a direct bolt-on replacement for the Caterpillar 7N0165?
A: Yes. This unit is manufactured to the exact OEM dimensions of the 7N0165 and 7S6394. It will bolt directly onto the engine block without requiring any adapters or modifications. Always ensure your engine is a 3306 series.

Q: What are the signs of a failing oil cooler on a 3306 engine?
A: Common symptoms include engine overheating, oil contamination (milky appearance due to coolant mixing), visible oil leaks from the cooler core, or a significant drop in oil pressure. If you notice any of these, inspect and replace the cooler immediately to prevent major engine damage.

Q: Can this oil cooler be used on a marine application of the 3306 engine?
A: While this cooler is designed for land-based industrial applications (construction, mining, gen-sets), it may be compatible with marine engines if the cooling system configuration is identical. However, we recommend consulting your engine’s manual or a marine diesel specialist to confirm compatibility with saltwater or raw water cooling systems.

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 .