High-Performance Common Rail Diesel Injector 2645A745 For CAT C4.4 C6.6 | OEM-Grade Replacement For Perkins 1104D / 1106D Engines
1. Product:2645A745
2. Compatible Equipment: Diesel Fuel Injection Systems
3. Manufacturer: Aftermarket OEM Replacement
4. Condition: Brand New, Fully Tested
5. Origin: ABOSEDE Diesel
6. Shipping period: 3-5 business days
7. Payment terms: T/T, Western Union, PayPal
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Product Introduction
Unlike traditional descriptions focusing only on replacement, the 2645A745 diesel injector should be understood as a precision combustion regulator. In modern common rail diesel systems, it does not merely deliver diesel-it governs atomization timing, spray geometry, and combustion efficiency simultaneously.
In engines like CAT C4.4 and C6.6, this injector directly influences:
Combustion completeness
Cylinder pressure curve stability
Emission compliance (Tier 3 / Stage IIIA)
This makes it a core performance determinant, not just a consumable part.
Core Technical Data
| Parameter | Specification |
|---|---|
| Injector Type | Common Rail Diesel Injector |
| Fuel Type | Diesel |
| Control Method | Solenoid-controlled |
| Engine Type | 4-stroke, multi-cylinder |
| Weight | ~0.05 kg |
| Material | High-strength alloy steel |
| Injection Pressure | Up to 1600–1800 bar (typical CR range) |
| Spray Pattern | Multi-hole precision nozzle |
⚙️ Designed to meet OEM fit and performance standards for Perkins and Caterpillar platforms
High-Pressure Injection Dynamics
What makes 2645A745 valuable is its pressure stability under dynamic load conditions.
Key performance features:
Rapid solenoid response time (<1 ms switching)
Stable injection under fluctuating rail pressure
Fine atomization for improved air-fuel mixing
This enables:
✔ Reduced black smoke
✔ Improved cold-start performance
✔ Lower fuel consumption
👉 Especially critical in heavy-duty duty cycles (excavators, generators).



