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Discussion Starter #1
hey all, got a question for ya. Need a new rear master cylinder for my 08 sportster. Dealership sights don't have any listed for bike just rebuild kits. Problem is the last 2 kits I bought don't work with my master cylinder for some reason. Not sure if previous owner replaced it our not. So been riding past few years with just a front brake. Now I'm trying to get bike safe so son can ride it.
Any idea where I can find a rear master cylinder for it since harley doesn't seem to carry them.

Thanks
 

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The part number is :42521-07 for a complete m/c. I'd look to another dealer to see if they have a competent parts person
 

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FYI If the online dealers have a p/n listed you need to check their inventory to see if it's in stock or not. Usually if a p/n is listed it can still be ordered from the MoCo, if it's not listed it's probably obsolete.
 

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Discussion Starter #6
Thanks all. I thought same thing on it fitting more than 1 year. But the dealership site i was looking on didn't have it listed. Unless I was searching for wrong name. I'll try with part number
 
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