The Bosch fuel injector 0445110482 is a common diesel fuel injector used in various European diesel engines, particularly in Volkswagen (VW), Audi, Seat, and Skoda vehicles equipped with 1.9 TDI (PD – Pumpe Düse / Unit Injector) and some 2.0 TDI engines.

Key Features & Applications:

• Part Number: 0445110482 (Bosch)

• Type: Unit Injector (Pumpe Düse / PD)

• Compatible Engines:

• 1.9 TDI (PD) Engines (e.g., ALH, ASZ, ARL, ATD, AXR)

• 2.0 TDI (PD) Engines (in some cases)

• Vehicles:

• VW Golf Mk4, Bora, Passat

• Audi A3, A4, A6 (with PD engines)

• Skoda Octavia, Superb

• Seat Leon, Toledo

Symptoms of a Failing Injector:

• Hard starting or misfires

• Rough idle or excessive vibration

• Black smoke from exhaust

• Loss of power or poor acceleration

• Increased fuel consumption

Replacement & Calibration:

• Must be coded to the ECU (using VCDS or a professional diagnostic tool)

• New sealing washers should be installed

• Torque specs must be followed to prevent leaks

Alternative/OEM Numbers:

• Bosch 0 445 110 482

• Siemens VDO 5WK9 6748

• VW/Audi OEM: 038 130 073 AX

If you’re replacing this injector, ensure you get a genuine Bosch or high-quality aftermarket unit, as counterfeit injectors can cause engine damage.