Basic Info.
| Parts no. | 334-7677 | Material | Alloy Copper |
| Type | Radiator Core | Weight | 53–63 lbs (24–30kg) |
| Model | Caterpillar | Transport Package | Wooden Box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model:334-7677
- Date First Listed:2026/01/21
- Manufacturer:Diron Parts
Product Description
- Part Number:334-7677
- Parts Type:Radiator Core
- Compatible Equipment:Radiator Core 334-7677 for Caterpillar



The 334-7677 is a high-efficiency aftermarket radiator core engineered for Caterpillar® medium and large wheel loaders and track-type tractors. This stacked-tube design provides excellent heat dissipation, reliable pressure resistance, and consistent engine cooling in demanding construction, mining, and industrial applications.
Key Features & Benefits
- Stacked-tube construction for superior thermal transfer and durability
- Reinforced header tanks and tube-to-header joints for high-pressure reliability
- 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
- High cooling capacity suitable for high-load and hot-climate operations
Common Applications (Caterpillar® Compatibility)
- Wheel Loaders: – 950H, 962H, 966H, 972H – 980H, 980K, 988H
- Track-Type Tractors: – D6N, D6T, D7E, D8T
- Typical functions: – Primary engine coolant radiator core – Part of standard or heavy-duty cooling package
Technical Specifications
- Part Number Reference: 334-7677
- Core Type: Stacked-tube radiator core
- Overall Dimensions: ≈ 950 mm × 800 mm × 100 mm
- Working Pressure: 150–200 psi
- Weight: ≈ 35 kg (77 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
Advantage
- Advantage One
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.
- Advantage Two
With 18 Years Experience In Manufacturing And Exporting, Diron Has A Team Of Knowledgeable Engineers, Inspectors, And Skilled Workers
- Advantage Three
The Products Export To More Than 80 Countries In America, Europe, Africa, The Middle East And So On. Reliable Quality Parts Won Trust From Valued Customers.




















