lugnut123 Posted March 26, 2017 Report Posted March 26, 2017 Does anyone have a part number or know the bore for the master cylinder out of a 48 1/2 ton B-1-B ? I went to ebay and other places and all I could find was a mc with bore of 1 1/4. I think that bore is for a bigger truck than the 1/2 ton. Would the larger bore work alright in the 1/2 ton? noel Quote
NiftyFifty Posted March 26, 2017 Report Posted March 26, 2017 Did you go to Rockauto? They show 3 mc's on there, but I'm pretty sure 1/2 thru 1 ton run the same master Quote
Dodgeb4ya Posted March 26, 2017 Report Posted March 26, 2017 1.250" is the correct M/Cylinder bore size for your 1948 1/2 ton B1B. Quote
lugnut123 Posted March 26, 2017 Author Report Posted March 26, 2017 (edited) thank you I will go see what I can find. That will be a mc544 or m544. thanks again Edited March 26, 2017 by lugnut123 Quote
desoto1939 Posted March 26, 2017 Report Posted March 26, 2017 Just verified in my EIS and Wagner Brake catalog. EIS Master unit is E544 wagner is FE544 with 1 1/4 bore Rich Hartung Desoto1939@aol.com Quote
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