Lambda Oxygen Sensor. We are an authorised distributor for Aim Automotive parts. Equivalent to Part Numbers: Ford: 1X439G444AA, 1X439G444AB, 1X439G444AC, 2R839…If you order before 12PM we'll dispatch same day from our UK warehouse. For guaranteed next day delivery please select this option at checkout. This product comes with free 365-day no quibble returns (UK only).
