Jito Bearing
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| OEM | 28347042 7261663 400903-00043D 400903-00043E |
| Place of Origin | Shandong, China |
| Engine Code | 28347042 7261663 400903-00043D 400903-00043E |
| Car Model | Diesel Car |
| Material | Stainless Steel |
| Fuel Type | Diesel |
| Purpose | Replace/Repair |
| Warranty | 6 Months |
| Brand Name | OEM |
| Universal Fitment | Yes |
| Product Name | Fuel Injector |
The fuel injector is a key component of the electronic fuel injection engine, responsible for atomizing fuel and spraying it into the intake manifold or cylinder. Its functions include fuel atomization for better air-fuel mixing, accurate fuel metering, and precise injection timing.
Classification by position: Intake manifold injection and Direct injection in the cylinder. Classification by control method: Mechanical fuel injector and Electronic fuel injector.
Main components include the solenoid coil, needle valve, nozzle, and filter. The ECU calculates the injection amount based on sensor signals, triggering the solenoid coil to open the needle valve and spray fuel under pressure.
Common issues include blockages due to carbon deposits, oil leaks from damaged seals, and solenoid failures. Maintenance involves regular cleaning with special agents, replacing fuel filters, and checking seals to ensure longevity.
Modern developments include piezoelectric fuel injectors for faster response, multi-hole injectors for better atomization, and intelligent systems that optimize fuel control for environmental protection and efficiency.
The injector is the core component of the engine fuel system, and its performance directly affects the engine's working efficiency and emissions. Regular maintenance and correct selection of injectors are essential for the long-term stable operation of the engine.
