Direct Fit Lambda Oxygen Sensor. Up until now the lambda sensor market has been very confusing. Volvo S70 | 2.0 | Jan 97 - Jul 98 | Position: Front (Pre Cat) | Engine Code: B5204S. Volvo C70 | 2.0 Turbo | Mar 97 - Jul 98 | Position: Front (Pre Cat) | Engine Code: B5204T2, B5204T3.
