VW Golf MK6 2011 1.6 TDI (CAYC) Fuel Rail / Injector Rail
Part Number: 03L130089B
Removed from a Volkswagen Golf MK6 1.6 TDI 2011 (CAYC engine).
Genuine common rail fuel injection rail, designed to store and distribute diesel fuel at high pressure to the injectors.
Condition: Used item, may have minor marks, scratches or signs of wear due to storage and age. No leaks or damage unless stated.
Important: Please ensure the part number 03L130089B matches your existing unit before purchasing, as multiple fuel rail versions exist depending on engine code and pressure setup.
Compatibility:
Fits VW Golf MK6 1.6 TDI models (2009–2013)
Engine codes: CAYC, CAYB
Also used across other VW / Audi / Seat / Skoda 1.6 TDI common rail engines with matching part number 
Position:
Engine bay – mounted on top of engine, connected to injectors and high-pressure pump
Function:
• Stores diesel fuel under high pressure
• Distributes fuel evenly to injectors
• Maintains stable fuel pressure across engine load range
• Essential for correct operation of common rail injection system 
Additional Info:
• Part of common rail diesel injection system
• Often supplied with fuel pressure sensor and relief valve (depending on spec)
• Must be free from internal contamination for proper operation
• Incorrect pressure can cause starting issues, poor running or injector faults
Loc2
Brand: Audi
Type: Fuel Injector
Manufacturer Part Number: 03L 130 089 B
Classic Part: No
Country of Origin: Unknown
Fuel Type: Diesel