Basic Info.
Product Details
- Item Model：7C3039
- Date First Listed：2025/12/16
- Manufacturer：DIRON
Product Description
- Part Number: 7C3039
- Part Type：Oil Cooler Core
- Description: Caterpillar
Product Description: Oil Cooler Core 6152-62-21110 – Komatsu Machinery Oil Cooler Replacement Core
The 7C-3039 is a high-efficiency aftermarket engine oil cooler core designed for classic Caterpillar® 3406B, 3406C, and early 3406E on-highway and industrial engines. Built with heavy-duty brazed copper fins and seamless tubes, this core provides excellent heat transfer, high pressure resistance, and reliable performance in severe-duty trucking, construction, and power-generation applications.
Key Features & Benefits
- All-new brazed copper construction for maximum thermal efficiency and durability
- High-density fin design with reinforced tube-to-header joints (> 300 psi burst rating)
- Precision-formed ports and gasket surfaces for leak-free sealing
- Multi-stage cleaned and individually pressure-tested to 250 psi
- Corrosion-resistant internal and external coatings
- Superior cooling capacity compared to many economy alternatives
- Significant cost savings while maintaining long service life
Common Applications (Caterpillar® Compatibility)
- Engines: – 3406B, 3406C – 3406E (early mechanical)
- Typical Machines & Trucks: – On-highway trucks (Kenworth W900, Peterbilt 379, Freightliner Classic) – Wheel Loaders: 980C, 980F – Track-Type Tractors: D8L, D9N – Generator Sets & Industrial power units
Technical Specifications
- Part Number Reference: 7C-3039
- Core Type: 20–24 plate stacked oil cooler (varies by arrangement)
- Material: Brazed copper fins + seamless copper tubes
- Overall Dimensions: ≈ 850 mm × 240 mm × 85 mm
- Working Pressure: 150–200 psi
- Weight: ≈ 22–25 kg (49–55 lb)
Important Note:
- We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
- Note: While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.
- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.
- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.
