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06-30-2021, 02:49 PM
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#1 |
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Registered User
 
Join Date: Jul 2015
Location: Phoenix, AZ
Posts: 1,335
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heavy duty brake question
My 74 C20 has the heavy duty brake package (J55). I'm in need of new rear brake wheel cylinders. Can anyone confirm that OEM part 5472327 is the correct cylinders for these? It's a little hard to tell in the parts catalog. I think it's right, but I'm not sure.
Need to figure out which ones I need to buy in the aftermarket world. Thanks. |
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06-30-2021, 03:28 PM
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#2 |
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Registered User
Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,051
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Re: heavy duty brake question
My '74 has the same HD Brakes, 13" rear drums. I just rebuilt my rear brakes and used AC Delco wheel cylinders 18E113
__________________
'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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06-30-2021, 03:29 PM
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#3 |
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Registered User
Join Date: Jul 2015
Location: Phoenix, AZ
Posts: 1,335
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Re: heavy duty brake question
Thank you very much.
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06-30-2021, 03:43 PM
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#4 |
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Registered User
Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,051
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Re: heavy duty brake question
But to answer your original question the GM wheel cylinder part number is 18004947
__________________
'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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06-30-2021, 03:56 PM
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#5 | |
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Registered User
Join Date: Jul 2015
Location: Phoenix, AZ
Posts: 1,335
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Re: heavy duty brake question
Quote:
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