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could someone help me with GM part numbers? by PerKr
Started on: 06-27-2008 09:50 AM
Replies: 4
Last post by: Marvin McInnis on 06-28-2008 12:50 AM
PerKr
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Report this Post06-27-2008 09:50 AM Click Here to See the Profile for PerKrClick Here to visit PerKr's HomePageClick Here to Email PerKrSend a Private Message to PerKrDirect Link to This Post
Figured I'd ask the local GM dealer on pricing for some items (just in case they're not THAT much more expensive than my other options) and suspect that I might need to know the part numbers. So, if anyone could help out with the following:

Fiero '88 front caliper
Fiero '88 front caliper bracket
Fiero '88 rear caliper
Fiero '88 rear caliper bracket

Corvette C4 front calipers
Corvette C4 front caliper brackets
Corvette C4 rear calipers (the ones with the built-in e-brake, but maybe all of the C4's had that?)
Corvette C4 rear caliper brackets

Corvette C5 front calipers

Corvette '67-'80 master cylinder
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PerKr
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Report this Post06-27-2008 04:12 PM Click Here to See the Profile for PerKrClick Here to visit PerKr's HomePageClick Here to Email PerKrSend a Private Message to PerKrDirect Link to This Post
found a couple of GM part numbers:

C5 Z06 caliper (front): 88895128, 88895129
C5 reg caliper (front): 12530682, 12530683
C5 bracket (front): 12455799
C5 pads (front): 12530681

C4 GS caliper (front): 12528689, 12528690
C4 J55 caliper (front): 12520231, 12520232
C4 13" brackets (front): 10181207, 10181208

something I found to be a bit weird when looking around for part numbers was the pricing of fiero calipers vs corvette calipers (at gmpartcatalog.com):
Fiero 85-87: ~$360
Fiero 88: ~$210
Corvette 88: $109
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Marvin McInnis
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Report this Post06-27-2008 05:06 PM Click Here to See the Profile for Marvin McInnisClick Here to visit Marvin McInnis's HomePageSend a Private Message to Marvin McInnisDirect Link to This Post
Can't help with part numbers right now, but this might help. -- The '88 calipers bolt directly to the knuckle. There are no separate caliper brackets, front or rear.

www.calipersonline.com still shows new (NOS, not rebuilt) '88 Fiero front calipers available for $125 a pair, with no core charge, and rebuilt '88 rear calipers for $150 a pair plus core charge. Highly recommended.

[This message has been edited by Marvin McInnis (edited 06-27-2008).]

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PerKr
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Report this Post06-27-2008 05:23 PM Click Here to See the Profile for PerKrClick Here to visit PerKr's HomePageClick Here to Email PerKrSend a Private Message to PerKrDirect Link to This Post
 
quote
Originally posted by Marvin McInnis:

Can't help with part numbers right now, but this might help. -- The '88 calipers bolt directly to the knuckle. There are no separate caliper brackets, front or rear.

www.calipersonline.com still shows new (NOS, not rebuilt) '88 Fiero front calipers available for $125 a pair, with no core charge, and rebuilt '88 rear calipers for $150 a pair plus core charge. Highly recommended.



Bracketless floating calipers? That's pretty cool (and a pretty clever way of saving weight). Makes the 88 calipers even more interesting
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Marvin McInnis
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Report this Post06-28-2008 12:50 AM Click Here to See the Profile for Marvin McInnisClick Here to visit Marvin McInnis's HomePageSend a Private Message to Marvin McInnisDirect Link to This Post
 
quote
Originally posted by PerKr:

Bracketless floating calipers?



Slider pins are solidly bolted to the knuckle, and the entire caliper assembly then floats on the slider pins. This is both a strength and a weakness of the design.

From a weight standpoint, the '88 calipers are an enigma. The caliper body itself (which houses the cylinder, and which rides directly on the slider pins) is a nice injection molded aluminum alloy casting, but the bridge which carries the pads is ordinary cast steel.

[This message has been edited by Marvin McInnis (edited 06-28-2008).]

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