I need to replace the low pressure procon pump on my laserwash 4000. It currently has a 104E265F12XX procon pump, but my closest supplier is carwash superstore and all they carry is a procon 104E265F11XX. It looks like the difference is my current pump has "SPCL clearance (1x) liner & BRGS" and the other pump is "STANDARD CLEARANCE". Has anyone tried using the 104E265F11XX as a replacement? I bought this machine used so I am not sure if it even has the original part number on it.
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