| 
	
		
		
		
		 
			I've never seen on of those things.  From the verbiage it seems this is an adapter that fits inside the factory filter housing, to allow one to use a non-standard length filter cartridge.  That's just a guess, and I'm gonna feel really bad if everyone else has one.
		 
		
		
		
		
		
		
			
				__________________ 
				2000 Boxster S 
2010 Volvo XC60 
2011 GMC Denali HD 6.6L (sold) 
2008 Cayenne S (sold) 
1989 Targa (sold)
			 
		
		
		
		
	 |