Part Name: Water Pump 7W3780
Part Number: 7W3780
Basic Info.
| Parts no. | 7w3780 | Material | steel |
| Type | Water Pump | Parts Type | Engine Parts |
| Compatibility | E325B Excavator | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed：2026/03/27
- Manufacturer：Diron Parts
Product Description
- Part Number: 413A113
- Part Type：Water Pump
- Description: Water Pump 7W3780 For E325B Excavator, New
The 7W-3780 is a high-performance aftermarket water pump designed for Caterpillar® E325B excavators. This complete pump assembly circulates coolant efficiently through the engine block, radiator, and oil cooler, maintaining optimal engine temperature and preventing overheating during heavy digging, loading, and continuous operation in demanding construction and earthmoving conditions.
Key Features & Benefits
- High-flow impeller design delivers consistent coolant circulation at all engine speeds
- Precision-machined housing and shaft for smooth, quiet operation
- Reinforced bearings and seals for extended service life under vibration and thermal cycling
- Direct bolt-on mounting pattern matching factory configuration
- 100 % bench-tested for flow rate, pressure output, and zero leakage
- Reliable performance in high-hour excavator applications
Common Applications (Caterpillar® Compatibility)
- Model: E325B Excavator
- Engine: 3116
- Typical function: Primary engine coolant circulation pump
Technical Specifications
- Part Number Reference: 7W-3780
- Type: Engine water pump assembly
- Flow Rate: Matches factory specification at rated RPM
- Mounting: Direct bolt-on flange
- Weight: ≈ 8–10 kg (18–22 lb)
Important Note:
- We only provide replacement products intended for aftermarket use in the Perkins machinery listed above. The brand name Perkins 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.
