Marelli Injector Vw Touran Passat 1.4 b

DiPa Code:
INJB124N
OEM Code:
03C906036J
Brand:
MARELLI
Condition:
New
Gasoline Injector
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Applications
VW
VW PASSAT B6 (3C2)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
PASSAT B6 (3C2) 2009-01-01 - 2010-07-01 1390 cc 110 KW 150 HP 4 Cylinders Benzina/Gas naturale (GNC) CDGA
VW PASSAT B6 Variant (3C5)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
PASSAT B6 Variant (3C5) 2009-01-01 - 2010-11-01 1390 cc 110 KW 150 HP 4 Cylinders Benzina/Gas naturale (GNC) CDGA
VW PASSAT B7 (362)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
PASSAT B7 (362) 2010-08-01 - 2014-12-01 1390 cc 110 KW 150 HP 4 Cylinders Benzina/Gas naturale (GNC) CDGA
VW PASSAT B7 Variant (365)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
PASSAT B7 Variant (365) 2010-08-01 - 2014-12-01 1390 cc 110 KW 150 HP 4 Cylinders Benzina/Gas naturale (GNC) CDGA
VW TOURAN (1T1, 1T2)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
TOURAN (1T1, 1T2) 2009-05-01 - 2010-05-01 1390 cc 110 KW 150 HP 4 Cylinders GNC CDGA
VW TOURAN (1T3)
Model Year of Production Displacement KW HP Cylinders Fuel Type Engine Code
TOURAN (1T3) 2010-05-01 - 2015-05-01 1390 cc 110 KW 150 HP 4 Cylinders Benzina/Gas naturale (GNC) CDGA
Techinical Info

The original OE fuel injector with code 03C906036J is a component of the fuel system used in turbo petrol engines of the Volkswagen Audi (VAG) group. It is an electromagnetic injector designed for low or medium pressure multipoint injection, specifically mounted on 1.4 TSI engines with dual fuel supply (Gasoline-Methane EcoFuel). The code identifies an injector suitable for both standard gasoline supply and bifuel applications.

2. Technical features

  • Type: electromagnetic gasoline injector
  • Position: intake manifold, indirect injection
  • Operating pressure: approximately 3.5 – 5 bar
  • Manufacturer: OEM suppliers such as Magneti Marelli
  • Metal body with two-pole attachment and sealed electrical connector
  • Compatible with sequential multipoint injection configurations
  • Approximate weight: about 100 grams

3. Functionality

The injector's function is to atomize the fuel into the combustion chamber through a calibrated nozzle during the injection time defined by the engine control unit (ECU). This process ensures the correct formation of the air/gasoline mixture, essential for combustion efficiency, engine response, and emission reduction. In EcoFuel systems, the injector manages the switch to gasoline mode during startup or in case of gas shortage.

DIPA offers a range of original and aftermarket spare parts of equivalent quality.

4. Model on which the part is mounted

Volkswagen

  • Passat/Variant
  • Touran

These vehicles use dual fuel systems (gasoline/methane) with electronic management of fuel switching integrated into the engine module. The applications cover models produced approximately between 2007 and 2015.

DIPA recommends always verifying compatibility based on the specific engine code and chassis number.

5. Defects and causes

Injection hole blockage

The presence of impurities in the fuel or the buildup of carbon deposits can lead to blockage of the outlet hole. This causes irregular atomization and incomplete combustion.

Leaks from seals

Over time, the rubber seals (O-rings) of the injector can dry out or deform, causing fuel leaks or air infiltration into the intake manifold.

Electrical malfunctions

The injector is activated by an electrical impulse from the ECU. A failure of the internal solenoid or a wiring interruption can cause injection failure or uncontrolled injection.

Internal mechanical wear

With use, the internal opening and closing mechanism can lose responsiveness, leading to inconsistent fuel delivery.

Final conclusions

The OE 03C906036J injector is a fundamental component for the proper operation of 1.4 TSI EcoFuel engines of the VAG group.

DIPA supplies the component in new condition, ready for installation, with warranty and compatibility across all affected models. Ask about the availability of ready-stock spare parts for quick replacements and reduced vehicle downtime.