7C-3039 OIL COOLER CORE ASS'Y is a heavy-duty Caterpillar oil cooler core designed for efficient oil-to-water heat exchange and stable engine oil temperature control. Its shell-and-tube design provides reliable cooling performance for demanding equipment such as CAT 834B, 814B and 824G, making it a practical replacement solution for mining, quarrying and heavy construction applications.
| Parameter | Description |
| Part Number | 7C-3039 |
| Product Name | Oil Cooler Core Assembly |
| Brand | Caterpillar |
| Product Type | Engine Oil Cooling Core |
| Material | Aluminum heat exchange structure |
| Strength & Performance | Provides efficient heat transfer for engine lubrication systems |
| Surface Treatment / Coating | Anti-corrosion treated |
| Function / Installation Position | Engine oil cooler |
| Operating Conditions | Construction and mining equipment |
| Weight | 9 kg |
| Packaging | Industrial packaging |
| Lead Time | 30–90 days |
| Shipping Method | Sea |
| Payment Method | USD / RMB / Ruble |
| Warranty | 6 months |
The 7C-3039 Oil Cooler Core is listed for a wide range of Caterpillar equipment, including:
Caterpillar’s official parts listing confirms 834B, 814B and 824G among the compatible models.
The 7C-3039 OIL COOLER CORE ASS’Y is suitable for:
It is particularly useful for equipment operating under heavy loads, long working cycles and demanding environmental conditions where effective oil temperature control is essential.
20+ Years Experience – Professional experience in construction and mining machinery spare parts.
Large Warehouse – Wide inventory covering engines, cooling systems, hydraulics, undercarriage, electrical components and more.
Fast Delivery – Efficient order processing and logistics coordination help reduce equipment downtime.
Genuine & OEM Parts – Genuine, OEM and qualified aftermarket solutions are available according to customer requirements.
Export to 60+ Countries – Supporting customers in mining, construction and machinery repair markets worldwide.
Professional Technical Support – Our team can help verify part numbers, machine models and compatibility before ordering.
The 7C-3039 Oil Cooler Core is securely packed for international transportation.
Packaging can be customized according to order quantity and transportation requirements.
YLCM provides flexible international logistics solutions for construction machinery parts:
We coordinate suitable export packaging and transportation solutions according to the destination, cargo volume and customer requirements.
Q1: What is 7C-3039 used for?
A: 7C-3039 is an engine oil cooler core designed for oil-to-water heat exchange and effective engine oil temperature control.
Q2: Which machines use 7C-3039?
A: It is listed for CAT 834B, 814B and 824G, as well as many other Caterpillar machines.
Q3: What type of oil cooler is 7C-3039?
A: Caterpillar describes it as a shell-and-tube style oil-to-water cooler.
Q4: What is the approximate weight?
A: Public parts listings indicate approximately 20.6–21 lb (9.35–9.53 kg), depending on the supplier and packaging configuration.
Q5: Can YLCM supply other Caterpillar cooling-system parts?
A: Yes. YLCM can supply oil cooler cores, radiator cores, radiator assemblies and other cooling-system components.
Q6: How can I confirm compatibility?
A: Send us the part number, machine model and, when available, the machine serial number. Our technical team can help verify compatibility before ordering.
Q7: What warranty does YLCM provide?
A: This product is supplied with a 6-month warranty under YLCM’s standard product terms.
