Fitment: O2 Oxygen sensor upstream and downstream compatible with Ford Fiesta 2011-2019 1.6L L4
Replace OE Numbers: Upstream replacement for 234-4493, 2344493, AE8Z9F472A, AE8Z9F472B; Downstream replacement for 234-4555, 2344555, AE8Z9G444B, AE8Z9G444C
Accessory: Oxygen Sensors × 2 (Please verify that your vehicle model and part number are compatible before purchasing)
Material: O2 oxygen sensors are made of special metal clay and aluminum alloy, as well as fiber tubes with ultra-high electrical insulation properties that are heat-resistant, stable, resistant to aging, and maintain flexibility without losing electrical insulation properties
Tips: Replacing the O2 oxygen sensor requires certain installation skills. It is recommended to carry out the installation under the guidance of professional technicians