Finding the right internal engine components is critical for the longevity of your heavy equipment. The 380-4845 (also known as 3804845) is a precision-engineered piston designed specifically for the C7.1 Industrial Engine series. Whether you are performing a routine overhaul or a complete engine rebuild, this component ensures optimal compression and thermal efficiency.
As a specialized supplier of engine replacement parts, we focus on providing OEM Standard Replacement units that meet or exceed the rigorous demands of construction and industrial applications. This piston is built to withstand high injection pressures and maintains structural integrity under extreme heat.
The following table provides the verified technical data for the 380-4845 piston assembly to ensure compatibility with your current engine block.
| Attribute | Details |
|---|---|
| Model NO. | C7.1 Series |
| Part Number | 380-4845 / 3804845 |
| Product Name | Piston / Engine Piston Assembly |
| Type | Direct Injection Diesel Piston |
| Condition | Brand New, OEM Standard Replacement |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch Available |
| Application | Engine Rebuild, Overhaul, Maintenance |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air, or Sea Freight |
When sourcing parts for C7.1 engines, the choice between generic alternatives and high-spec replacements can determine your downtime duration.
| Purchase Core Points | Standard Market Alternative | Our 380-4845 OEM Replacement |
|---|---|---|
| 1. Material Composition | Standard aluminum alloy | High-strength Thermal Alloy |
| 2. Ring Groove Protection | Unreinforced grooves | Hardened Ni-Resist inserts |
| 3. Precision Sizing | Variable tolerance levels | Micron-level accuracy |
| 4. Heat Dissipation | Basic cooling capability | Optimized Oil Cooling Gallery |
| 5. Coating Quality | Standard skirt coating | Low-friction Anti-scuff Coating |
| 6. Service Life | Undetermined hours | Designed for Full Service Life |
Not sure how this issue affects your equipment?
Our team helps operators and workshop managers diagnose internal engine health to prevent catastrophic failure. We provide guidance on:
✔ Identify potential risks during scheduled maintenance intervals.
✔ Recommend suitable replacement parts based on engine serial numbers.
✔ Support both inspection advice and timely parts supply.
Q1: What are the common signs that my 380-4845 piston needs replacing?
A: Excessive blow-by, blue smoke from the exhaust, and unusual knocking sounds within the C7.1 engine block often indicate piston wear or cracked rings. If you notice a significant drop in compression during a pressure test, inspecting the 3804845 piston for scoring is necessary.
Q2: Can I replace just one piston in my C7.1 engine?
A: While technically possible, we recommend replacing pistons as a complete set or at least checking the weight balance. Installing a new 380-4845 alongside worn units can cause engine vibration and uneven bearing wear.
Q3: Why Choose This Piston (380-4845)?
A: Our version features an OEM-standard tri-metal structure, which is trusted by repair shops and equipment fleets globally for its ability to handle the high thermal loads of modern diesel cycles.
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