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2G Help Identifying an O2 sensor.

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88BB8B

88BB8B

Proven Member
179
19
Oct 14, 2016
Coldstream, BC, Canada
Can you guys tell me what kind of O2 sensor this is? Namely if it is a narrowband or wideband. It's a Denso, and it has the numbers 5550 12G20. I looked it up on their website, but it didnt yield any rults.
Heres some pictures.
 

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at first glance i'd say its a 2g rear O2 sensor.
what does the plug look like?
 
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