10R-1265 Remanufactured Diesel Injector | High-Performance HEUI Replacement For Caterpillar 3126
1. Product:10R-1265
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 medium-duty diesel engines, the Caterpillar 3126 is a powerhouse known for its durability. However, its performance hinges entirely on the precise atomization of fuel. The 10R-1265 diesel injector is not merely a replacement part; it is the heartbeat of your engine's combustion cycle. Unlike standard mechanical injectors, this unit represents the pinnacle of Cat's HEUI technology, utilizing engine oil pressure rather than a traditional camshaft to actuate fuel injection. This product listing details why this specific remanufactured unit is the optimal choice for fleet managers and independent workshops seeking to restore factory-rated horsepower and fuel economy.
⚡ The HEUI Advantage: Decoupling Pressure from RPM
The defining characteristic of the 10R-1265 is its integration into the HEUI system. Traditional diesel injection systems rely on engine speed (RPM) to generate injection pressure. In contrast, this injector utilizes high-pressure engine oil (actuation pressure) to compress a fuel piston, which then pressurizes the diesel.
Injection Independence: This allows for high injection pressure even at low engine speeds, crucial for heavy towing or start-up torque.
Multiple Injection Events: The solenoid control allows for precise "pilot" injections, significantly reducing the characteristic diesel knock and lowering NVH (Noise, Vibration, and Harshness) levels inside the cabin.
📊 Technical Specifications & Data Sheet
To ensure compatibility and proper tuning, it is vital to match the technical data of the replacement injector with your Engine Control Module (ECM) requirements.
| Feature | Specification |
|---|---|
| OEM Part Number | 10R-1265 (Supersedes 127-1265, 136-2929) |
| Fuel Type | Diesel (Ultra-Low Sulfur Diesel Compatible) |
| Actuation Type | Hydraulic (HEUI) |
| Nozzle Type | Multi-orifice precision machined |
| Operating Voltage | 12V / 24V DC (Solenoid Actuated) |
| Max Actuation Pressure | Up to 23,000 kPa (System Dependent) |