P-pump from 12mm to 13mm

blos101

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Dec 27, 2009
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I have a 12mm p-pump currently and would like it to be 13mm for more fuel obviously. Now I found a site that I can purchase 13 mm plungers/barrels. Is it possible for me to do the swap? What all do I need? and is this even doable? :thankyou2:
 
It is possible if you have the tools to disassemble the pump and a test stand to calibrate it afterwards. Otherwise it is a job best left to a pump shop.
 
Use only Bosch original P&B, stay away from cheap China chit
 
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