No need for a gasket between the pump and the main cap. I seem to remember a gasket under the filter adapter, but not all gasket kits have them. Shouldn't make a difference, as long as it's bolted on tight.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
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