http://www.ebay.co.uk/itm/GENUINE-Maserati-exhaust-Oxygen-Lambda-Sensor-/130716088577?pt=UK_CarsParts_Vehicles_CarParts_SM&hash=item1e6f493901 http://www.eurospares.co.uk/searchResult.asp?find=+&S=191412 About 1/2 price.... P