Turbocharger.
A complete Turbocharger assembly. From Chassis/VIN #9M-1-056-881. New.

Turbocharger

Fits Beetle, Beetle Convertible, Golf, GTI, Jetta, Jetta GLI, Jetta Wagon

1.8 LITER, 180 HORSEPOWER, new. 1.8 LITER, new. Convertible, 1.8 LITER, new. Coupe, 1.8 LITER, new. Golf; New. TT; w/180hp.
Turbocharger Assembly - Repair or Replace
If your Volkswagen is equipped with a turbo and you've noticed a reduction in acceleration, excessive blue-gray smoke from the exhaust, or a loud whine in addition to your check engine or glow plug light, your turbo may need to be replaced or repaired.