The 22mm head fits into a 20mm hole.
GENUINE COBRA SINGLE REPLACEMENT PARKING REVERSING SENSORS 22MM 0256 0258 0259
GENUINE NEW COBRA SINGLE REPLACEMENT PARKING REVERSING SENSORS 25MM 0194 0158
VW T-ROC VODAFONE ALARM SIREN ECU KIT GENUINE PART ZGBA11054622
Genuine Porsche Tracking System Card 7PP.862.077 on Vodafone
Vodafone Curve - Smart GPS Tracker
Vodafone Curve - Smart GPS Tracker - Opened but never been used
