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  #1  
Old 04-06-2004, 01:38 PM
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GM oxygen sensor and MERCEDES replacement

What is the difference between oxygen sensors for different cars if they are from the same manufacture (Bosch)?

I read that it is possible to replace the Bosch oxygen sensor for Mercedes with the sensor for 1990 Ford Mustang 302.

The GM sensor looks the same. The difference is only a connector??

GM Part # 90540984 for 1997-1998 Cadillac Catera 3.0R V6

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GM oxygen sensor and MERCEDES replacement-gm-part-90540984_1997-1998-cadillac_catera-3.0r-v6-.jpg  
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Old 04-06-2004, 01:48 PM
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Same thing.
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Old 04-06-2004, 02:21 PM
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Internally, all heated O2 sensors are essentially the same, and they all have the same electrical characteristics. Any differences are in mounting (thread pitch), pigtail length, and connector.

Duke
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Old 04-06-2004, 10:40 PM
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andrew1413--- is that a 4 wire Bosch sensor. Have you tried to use it yet. Let us know if the connector is the same. I imagine you have a V6 112 engine. How much did you pay for it. Thanks in advance for the info.
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Old 04-06-2004, 10:59 PM
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This doesn't apply to Mercedes, but on my BMW 325e, I bought a generic Bosch O2 sensor for $50 instead of the BMW part for more than twice that price. They were the same thread and plug size but the electical connector was different. I just spliced it in to the origianl O2 sensor's connector and it worked fine.
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Old 04-07-2004, 02:12 PM
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Andrew,

I think the Ford mustang 302 reference is just - it was the cheapest one available at Autozone(at the time).
As long as the number of wires is the same- you can splice it in. Only difference is the harness connector and length of wire.



Michael

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