Cross Reference: 227903557R, 227905433R, 227905444R, 227908539R, 22.. Diesel: 2.3 dCi. Petrol: 0.9, 1.2, 1.3 Diesel: 1.5 dCi. Petrol: 0.9, 1.1, 1.2, 1.3 Diesel: 1.5 dCi Petrol/Liquified: 0.9, 1.1, 1.2. Diesel: 1.5 dCi. Petrol: 1.3 Diesel: 1.5 dCi. Diesel: 1.6 dCi. Diesel: 1.5 dCi, 1.6 dCi. Petrol: 1.2, 1.3 Diesel: 1.5 dCi, 1.6 dCi. Petrol: 1.2, 1.3 Diesel: 1.5 dCi. Petrol: 1.3 Diesel: 1.6 dCi. Petrol: 1.2 Diesel: 1.5 dCi Petrol/Liquified: 1.1. Petrol: 1.2 Diesel: 1.5 dCi. Petrol: 1.2 Diesel: 1.5 dCi Petrol/Ethanol: 1.1. Petrol: 1.3 Diesel: 1.5 dCi, 1.6 dCi. Petrol: 0.9, 1.2 Diesel: 1.5 dCi. Petrol: 0.9, 1.2 Diesel: 1.5 dCi Petrol/Liquified: 0.9. 227903557R, 227905433R, 227905444R, 227908539R, 227906850R, 227902682R. Notes: Complete kit including connectors, heat shrink tubes and installation guide. If your original Nox sensor is showing a fault, it is usually because the original probe is at the end of its life or has burnt out. In most cases the control box is still working. A replacement probe should clear any diagnostic error codes and dashboard error lights relating to a faulty NOX Sensor. Because the original control box is being re-used. There will be no requirement for re-programming the unit after fitting. Please double check your part matches the equivalent part numbers shown above and the images in the listing. This part is guaranteed against fault or failure for 5 years. Consequential loss and labour claims are not accepted. Items must be unused and in their original packaging.