How many catalytic converters does this vehicle have?

Tiny
7793BABYG
  • MEMBER
  • 2003 CHEVROLET BLAZER
  • 4.3L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 160,000 MILES
How much should I get for them from scrap?
Monday, May 2nd, 2022 AT 5:11 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Technically this only has one replacement part but there are two converters that are part of the front pipe.

I see that you can get options that have a separation between the two converters, but you can always tell how many converters you have by finding the upstream o2 sensors and then any converter that is after them and prior to the downstream o2 sensor is technically a converter.

So, the o2 sensors are after both of these converters in the front pipe.

Here is a guide that will help with testing this if needed:

https://youtu.be/kNXh1Lphzr4

Please run through this info below and let me know if you have other questions.

Thanks
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Tuesday, May 3rd, 2022 AT 9:42 AM

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