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Bosch or Denso?

Old 09-14-2010, 09:40 PM
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Default Bosch or Denso?

I'm in need of new os sensors because my LTs fried my factory ones.

what do you guys recommend, I've read that 13111 are good but can throw some codes
Old 09-14-2010, 09:46 PM
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i use Delphi's or AC Delco's
Old 09-14-2010, 09:49 PM
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Part #?
Old 09-14-2010, 09:53 PM
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i'll get it for you when i get off work, i've always had great luck with these ones
Old 09-14-2010, 09:59 PM
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Looks like Denso is better, some notes on them on Camaros here:
http://www.camarohomepage.com/project/part3.htm

Denso is stock in some GM cars...

"The Denso "O2S" is better because its aluminum-oxide "trap layer" covers the sensor element and resists damage to its platinum electrode and a porous, PTFE (Teflon) filter on the sensor's atmospheric side prevents moisture or contaminants from degrading accuracy."

Top is Delphi, Bottom is Denso:
Old 09-14-2010, 10:49 PM
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Got a brand new Bosch for 50.00 if you decide to go that route.
Old 09-15-2010, 03:44 PM
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Autozone says that there is a difference in the left and right side? The Denso are more expensive for the right side?? What gives?
Old 09-16-2010, 11:44 AM
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There shouldn't be a price differece. Its the same part. Autopart stores are so dumb sometimes.

Anyway, I run the Denso sensors on my car and they've done better than the Bosch's ever did.
Old 09-16-2010, 01:17 PM
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They aren't the same part. They have different length tails on them.

As far as not giving codes, I have been able to run the Delphi O2's without insufficient switching codes, although I would get the code with brand new Densos. As said above, if you order an AC Delco replacement nowadays you will get a Denso. Most don't care about that code and just turn it off.

Haven't used a Bosch on my car.
Old 09-16-2010, 02:31 PM
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I've tried both Denso and Delco brands. Both identical and both got me the insufficient code. Denso did only last for a few months. I am now trying the NGK/NTK brand O2s and hopefully they are better.
Old 09-16-2010, 06:14 PM
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By tails you mean the wire length, right?
Old 09-16-2010, 08:41 PM
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Originally Posted by White94Bird
I'm in need of new os sensors because my LTs fried my factory ones.

what do you guys recommend, I've read that 13111 are good but can throw some codes
i use bosch 13111, and i've never had a problem with them. im a cam only car that made 390hp on a mustang dyno.

also i have a friend at a parts store so i got my o2's for like $50 a piece.
regularly i think their $70
Old 09-16-2010, 08:53 PM
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Originally Posted by White94Bird
By tails you mean the wire length, right?
Yeah, the wire length. I have extensions so for me I can just get a pair of what is cheaper since the short ones reach. People like the post cat Vette sensors since they have really long tails and you don't need an extension.
Old 09-16-2010, 09:12 PM
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I've always heard good thing's on the denso's.
Old 09-16-2010, 10:32 PM
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Neither.

NGK is the way to go. I've tested them all back to back while tuning cars. The NGK's are 2-3% more accurate, every time.
Old 09-17-2010, 03:19 AM
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Originally Posted by 01'SSLSX
i use bosch 13111, and i've never had a problem with them. im a cam only car that made 390hp on a mustang dyno.

also i have a friend at a parts store so i got my o2's for like $50 a piece.
regularly i think their $70
13111's here also and i haven't run into any problems yet but all i have is LT's
Old 09-17-2010, 05:34 AM
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Originally Posted by Damian
Neither.

NGK is the way to go. I've tested them all back to back while tuning cars. The NGK's are 2-3% more accurate, every time.
what's the part number?
Old 09-17-2010, 07:26 AM
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Well I ordered 2 Densos and only paid $84.xx for the pair, great deal!!

I'll see if these work any better.
Old 12-20-2010, 08:29 AM
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I have about 4000 miles on them and they are working great, got a slow response code and deleted it and it never came back.

I'm satisfied for now..
Old 12-20-2010, 10:23 AM
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I got a pair of Bosch 13444 for $29 New off of Ebay, the wire was a little long on the driver side so I used a plastic wire tie. They are working fine for 2 weeks now. I know what people say but $29 was hard to pass up.


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