VERY IMPORTANT. Other part choices also used on your model - Message your reg number before Purchase.. 4 Wire Direct Fit Lambda Oxygen Sensor - Regulating (Front Pre Cat). Mercedes SLK (2000-2004) 2.0 2.3. Equivalent to Part Numbers: OE: 05099821AA OE: 5099821AA OE: 0015406017 OE:. 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).
