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					Originally Posted by HDP  Does anyone know the size and thread pitch of the drain bolt on the bottom of the fuel tank? TIA. | 
	
 Not sure but here is the Mazda part number:
B596-42-045
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					Originally Posted by Herblenny  Ha... Did not know there was a drain plug for the tank... I guess I need to take a better look at my spare fuel tank.. | 
	
 It can be a little hard to find since Mazda sprayed undercoating over it.