Description Can be used as a front sensor on some vehicles and a rear sensor on others. Check connector style before ordering. BOSCH part number 16121 This product fits 7/2000-2005 Golf/GTI/Jetta 1.8T, Rear (AWW/AWP) 1999-2002 Golf/Jetta 12V VR6, Rear 2001-2004 Beetle 1.8T, Rear 2000-2002 Golf/GTi/Jetta 1.8T, Front (AWD Engine) 4/1999-10/2000 Golf/Jetta/Beetle 2.0L, Front (AEG Engine) 2000-8/2000 Audi TT, Front.