Premium Diesel Common Rail Injector 326-4756 For Caterpillar C4.2 & C6.4 Engines
1. Product: 326-4756
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
In the demanding world of heavy-duty diesel propulsion, the integrity of the fuel injection system dictates the engine's lifespan and efficiency. The 326-4756 diesel injector is engineered as a direct, high-precision replacement for Caterpillar C4.2 and C6.4 engine platforms. Unlike standard mechanical injectors, this component is a critical node in the high-pressure common rail architecture, designed to withstand extreme thermal and pressure loads while delivering atomized fuel with pinpoint accuracy. By upgrading to this specification, operators ensure that the engine management system (ECM) receives the precise hydraulic response needed for optimal combustion cycles, minimizing downtime and maximizing torque output in industrial and mobile applications.
⚙️ Technical Specifications & Performance Data
To ensure seamless integration into existing diesel assemblies, this injector adheres to strict OEM dimensional and performance tolerances.
| Specification | Details |
|---|---|
| Part Number | 326-4756 (Supersedes/Compatible with 326-4700 series logic) |
| System Type | High-Pressure Common Rail (HPCR) Diesel |
| Operating Pressure | Up to 200 MPa (2000 Bar) |
| Engine Compatibility | Caterpillar C4.2, C6.4 Industrial Diesel Engines |
| Control Mechanism | Solenoid-actuated precise metering |
| Emission Standard | Optimized for Euro III / Tier 3 Compliance |
🔩 Advanced Structural Design & Hydraulic Architecture
The 326-4756 features a robust solenoid-controlled valve design, distinct from older piezoelectric or mechanical variants found in legacy diesel engines. The internal structure is machined from high-grade aerospace alloys to resist wear from high-velocity diesel flow. The nozzle assembly utilizes a multi-hole geometry that creates a specific spray pattern, ensuring the diesel fuel covers the entire combustion bowl surface. This structural integrity prevents "dribble" or "after-injection," which are common causes of piston ring sticking and oil dilution in C6.4 engines.



