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2812725
CAT
2812725
This High-Pressure Common Rail Injector Assembly is the core actuator of the diesel engine fuel system. Engineered with advanced electronic solenoid technology and constructed from high-strength alloy steel, it is designed for precise fuel delivery under extreme pressure. This injector ensures optimal control over injection quantity, timing, and rate, guaranteeing the best combustion efficiency across all engine operating conditions. It is the key component for boosting power, reducing fuel consumption, and minimizing emissions.
Micron-Level Precision Manufacturing:
The internal core components (valve needle and seat) are crafted using high-precision grinding and pairing processes. The mating clearances are controlled at the micron level. This exceptional accuracy ensures the fuel is atomized into an extremely fine spray pattern with uniform distribution, resulting in more complete combustion, improved fuel economy, and significantly reduced carbon buildup.
Ultra-Fast Response & Superior Sealing:
Equipped with a highly sensitive solenoid coil, the injector offers millisecond-level switching speed. This enables advanced multi-injection strategies (pilot, main, and post injections), effectively reducing engine noise and vibration (NVH). Furthermore, it provides excellent sealing performance when de-energized, preventing fuel leakage and eliminating the risk of cylinder wetting or oil dilution.
High-Strength, Heat & Wear Resistant Materials:
The valve body and critical contact surfaces are made from specialty alloy steel and high-temperature resistant composite materials. These materials undergo rigorous heat treatment and surface hardening processes, allowing them to withstand common rail pressures exceeding 2000 bar and extreme in-cylinder temperatures. This ensures outstanding wear and corrosion resistance throughout the product's service life.
Strict Flow Consistency Calibration:
Every injector is individually tested and calibrated on fully automated flow benches before leaving the factory. We strictly control the flow deviation between injectors to ensure smooth engine operation and prevent idle shaking caused by unbalanced cylinder power, thereby extending the engine's overall lifespan.
Wide Compatibility & Compliance:
Designed to meet mainstream engine manufacturer specifications, this injector is widely compatible with heavy-duty trucks, construction machinery, and generator sets. Manufactured under a strict ISO/TS 16949 quality management system, it serves as a direct-fit replacement, ensuring easy installation without complex ECU reprogramming.
Parameter | Specification |
|---|---|
Product Type | Electronic High-Pressure Common Rail Injector |
Actuation | High-Speed Solenoid Valve |
Fuel Type | Diesel |
Operating Pressure | Up to 1800 - 2500 bar (Model Dependent) |
Resistance | Standard (Typically 0.5Ω - 2.5Ω) |
Compatible Engines | Cummins, Caterpillar, Volvo, Weichai, Yuchai, etc. |
Heavy-Duty Trucks: Tractor-trailers, dump trucks, and long-haul logistics vehicles.
Construction Machinery: Excavators, wheel loaders, bulldozers, and motor graders.
Industrial Equipment: Large generator sets, marine auxiliary engines, and pumping stations.
Agricultural Machinery: High-horsepower tractors and combine harvesters.
Choosing our injector assembly means opting for "OE-grade" performance and reliability. We focus not just on immediate function but on long-term stability. By optimizing internal flow channels and using premium sealing materials, we effectively address common industry pain points such as excessive return flow, poor atomization, hard starting, and black smoke.
Installation Recommendation:
To ensure optimal performance and prevent damage, we strongly recommend replacing the fuel filter simultaneously and using dedicated tools to install the injector at the specified torque.
