The 0445110420 is a Bosch Common Rail (CR) fuel injector used in various diesel engines. Here are the key details about it:
Key Features:
Type: Electronic solenoid-controlled injector (not piezoelectric)
Application: Common Rail Diesel Injection Systems
Brand: Bosch (original OEM part)
Compatible Vehicles: Used in several diesel engines, including some from Volkswagen, Audi, Skoda, Seat, and others with 1.9 TDI, 2.0 TDI, or similar engines (always verify compatibility).
Common Symptoms of a Failing Injector:
Engine misfires or rough idle
Increased fuel consumption
Excessive smoke (black or white)
Trouble starting the engine
Fault codes related to injectors (e.g., P0201-P0204 for injector circuit issues)
Important Notes:
Coding Required: If replacing, the new injector may need to be coded to the ECU using a diagnostic tool (e.g., VCDS for VW/Audi).
Quality Matters: Always buy from trusted suppliers—counterfeit injectors can cause engine damage.
Nozzle Testing: If the injector is faulty, sometimes only the nozzle needs replacement (cheaper than a full injector).
The Bosch 0445110420 injector is used in several diesel engines, including:
Volkswagen (VW):
1.9 TDI (PD engines, e.g., BLS, BXE, BKC)
2.0 TDI (e.g., CBAB, CFFB)
Audi:
Skoda/Seat:
Diesel Fuel Injector Supplier
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