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Old 03-24-2024, 11:00 AM   #1
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Calipers indefication 986/987

Hi. So i will do the rear dual calipers on VAG car.
I purchased the calipers from 986/987 Boxster Cayman with pat numbers

996 352 421 - 206679 01
996 352 422 - 206679 02
Also will use creation motorsport adaptors
"brake adapters to allow fitment of rear Porsche 996 / Porsche Boxter S / Brembo brake calipers"
The question is the Porsche Boxster 986 non S model and the S models use the same part numbers for calipers, but
from what I've read so far, the rear brakes of the "S" model use a thick disc while the non-"S" model use a thin one
The adaptors are for 280x22 brake discs. The seller doesn't know what car the brakes were removed from, and I can't tell from the numbers if they are from S or non S model. Any help will be good, Thanks!









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Old 03-25-2024, 02:31 AM   #2
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It appears that the 421 (L) and 422 (R) calipers that you have are for the base Boxster. The S calipers would be 425 and 426.

Perhaps others can confirm that.
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Old 03-25-2024, 03:09 AM   #3
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Quote:
Originally Posted by tcora View Post
It appears that the 421 (L) and 422 (R) calipers that you have are for the base Boxster. The S calipers would be 425 and 426.

Perhaps others can confirm that.
I need calipers with 421/ 422 not 425/426 for the upgrade.
The calipers for non S models in ETKA are listed with this part numbers
986 352 424
986 352 423
But on the calipers numbers are
996 352 421
996 352 422

So, S and non S calipers use same part numbers, but diferent brake rotors one is 292x20mm, other 299x24mm
I need to indentify will the calipers i purchase can fit a 22mm thickness rotor.
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Old 03-25-2024, 06:45 AM   #4
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From the parts catalog on ********************************************, 421/422 are S/SE calipers, and 423/424 are base model, which seems to align with the info you have, so you should be good:

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Old 03-25-2024, 10:26 AM   #5
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Quote:
Originally Posted by redpepperracing View Post
From the parts catalog on ********************************************, 421/422 are S/SE calipers, and 423/424 are base model, which seems to align with the info you have, so you should be good:

non S part numbers are:
986 352 423
986 352 424
But on the calipers the stamp is
996 352 421
996 352 422

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Old 03-27-2024, 08:31 AM   #6
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If the calipers you have are stamped 996* (basically any number starting with 996) then they are S calipers. I don't know if you are posting pics of what you have, or what someone is selling, in one picture there3 is a 986, in one there is a 996, so do with that what you will
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Old 03-31-2024, 11:54 AM   #7
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Quote:
Originally Posted by redpepperracing View Post
If the calipers you have are stamped 996* (basically any number starting with 996) then they are S calipers. I don't know if you are posting pics of what you have, or what someone is selling, in one picture there3 is a 986, in one there is a 996, so do with that what you will
First post is what i buy, second pics is from internet to show that non S part number on paper and stamped with 996.
1999 boxster S and non S uses 292x20mm brake rotors
2000 boxster S uses 299x24mm brake rotors
Same part numbers different calipers.
The one that fit my project is from 2000 boxster S / Cayman and 996 (im gonna put a 280x22mm brake rotor, for that I need those that fit the bigger brake rotors 299x24mm )
REARS will be either red, silver or gloss black
BOXSTER REARS are a dull anodized black finish(like this i purchased)
There is an M6 hole drilled next to where the brake line connects.



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