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Discussion Starter · #1 ·
I'm looking for after market hydro filter #'s for my Lazer Z. The filter calls for 10 micron element. The factory # is Ex-Mark 513211. Cross reference to Fram or Purolator,Napa,etc.
thanks, Joe
 

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Buy hydro filter from the factory. I have purchased aftermarket replacement filters in the past and they did not appear the same internally so I threw them away and bought the factory ones.
Its not worth damaging the system for a filter which is only replaced once a year.
 

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Want to give Exmark a real good reason to void you hydro warranty???? Alot of engine oil filters will screw on the filter base but, you need a suction type filter not a pressure filter. Exmark uses a 10 micron filter rating. The hydro filter change is a once annually change. What are you going to save made $10-$12, not worth risking.
 

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Discussion Starter · #6 ·
Fareway- thanks, I bought 3 of Landscaper Supply Hydro filters but I think after listening to you guys I'll go back to my dealer for the Ex-Mark hydro filter.
Hope you have a good season, Joe
 

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Don't want to bust any bubbles,but an hydro filter of 10 micron is an hydro filter of 10 micron..In other words,a factory filter isn't any better..However,you must use an hydro filter,not an oil filter..
 

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From what I understand 10 microns can have different flow rates & surface areas so one 10 micron filter may not be as good as another. The paper area & cylinder holes on some of the aftermarkets I got that were not oil filters were different than eXmark OEM.
 

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Hey I got a question why are we using mobile 1 synthetic "oil" in out Hydro system and then worry about a hydro filter as opposed to a oil filter if the filter is rated at 10 microns what in tarnation is the difference?
 

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Discussion Starter · #12 ·
FLA- Now I think you have a good point! Ex Mark uses Mobil 1 synthetic oil for hydro oil because the system dosn't have an oil cooler. The 10 micron filter is filtering motor oil in its hydralic pump system. Maybe its OK to use an after market " 10 micron- hydro filter" to replace the OEM.
What do you think? thanks, Joe
 
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