Direct Fit Lambda Oxygen Sensor. Up until now the lambda sensor market has been very confusing. Rover 75 | 1.8 | Feb 99 - Dec 05 | Position: Front (Pre Cat) | Engine Code: K4F. Rover 75 | 1.8 Turbo | Jul 02 - Dec 05 | Position: Front (Pre Cat) | Engine Code: K Series Turbo.
