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Old 01-30-2016, 03:07 PM   #1
CCCC
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GMC 6000 brake part - specs and sources?

Would like to find wheel cylinder specifics (bore/length), part number(s) and source for parts for this 1975 GMC 6000. The online sources tried so far are not clear due to listed variations/options. Anyone know of a fool-proof source for info/parts?
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Old 02-13-2016, 12:43 PM   #2
Hoolys Hauler
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Re: GMC 6000 brake part - specs and sources?

Try NAPA or Raybestos hope this is a hlep
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Old 02-15-2016, 12:44 AM   #3
Robert1970C20rstbukt
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Re: GMC 6000 brake part - specs and sources?

www.raybestosbrakes.com has a catalog for medium/heavy trucks. I couldn't find numbers for new wheel cylinders, just rebuild kits:

WK149 1 1/8" front 7,000lb axle
WK152 1 1/4" front 9,000lb axle

WK174 1 5/8" rear 15x6 brakes
WK195 1 1/2" rear 15x4 or 15x5 brakes

If the wheel cylinders aren't rusted real bad they'll have a casting number on the side that can be crossed over in the catalog/computer.
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