What connector is this? O2?
That is your O2 sensor connector. The S4 and S5 had different shape O2 sensor connectors.
Here is RockAuto link to photo of S4 O2 sensor connector: https://www.rockauto.com/en/moreinfo...t=5132&jsn=423
Here is RockAuto link to photo of S5 O2 sensor connector: https://www.rockauto.com/en/moreinfo...t=5132&jsn=457
Here is RockAuto link to photo of S4 O2 sensor connector: https://www.rockauto.com/en/moreinfo...t=5132&jsn=423
Here is RockAuto link to photo of S5 O2 sensor connector: https://www.rockauto.com/en/moreinfo...t=5132&jsn=457
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tetsu50
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