Part number 1K1971111F identifies a genuine Volkswagen/Audi wiring harness for the Servotronic (power steering) system used in various models. 

Vehicle Compatibility
This wiring harness is compatible with a range of VAG vehicles, primarily from the mid-2000s: 
Volkswagen Golf Mk5 (approx. 2004–2006)
Volkswagen Jetta Mk5 (approx. 2005–2006, including 2.5L 5-cylinder and 2.0T variants)
Volkswagen Eos (on certain early models)
SEAT Altea (2004 1.9 TDI model mentioned) 

Function: It is an electrical wiring set (harness) specifically for the Servotronic hydraulic pump with electric motor, which controls the power steering system.

Placement: The harness is located as part of the steering gear and linkage assembly.
Status: While it was available as a new genuine part, some retailers indicate it may be discontinued or "not available to order" as a standalone new component, meaning used parts or supersessions might be necessary.

Related Parts: This part number has several supersessions, including 1K1971111AG and 1K1971111AJ, depending on the specific vehicle VIN (Vehicle Identification Number) and production date. 

To ensure the correct fit, verifying the part number against your specific vehicle's VIN is recommended.

🔥 HARD TO FIND PART!
Saved from the scrapyard. Ready for your MK5 🚗🖤