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thstone · 06-03-2016, 04:38 PM

That PN is not for the head - its for the "head cover lid".

The Boxster PN's for this part are 996-based (for example, 996 104 637 5R is the part for a 2003-2004 2.7L base engine). Often 986 and 996 parts will be interchangeable between years and models.

I purport that during the rebuild someone bought a head cover lid from eBay since they are probably interchangeable and used it on your 986 engine. You'd have to actually check the head PN to know where that came from.

At this point, nothing to worry about, nothing to brag about.

06-03-2016, 04:38 PM	#4
thstone Certified Boxster Addict Join Date: Nov 2010 Location: Los Angeles Posts: 7,669	That PN is not for the head - its for the "head cover lid". The Boxster PN's for this part are 996-based (for example, 996 104 637 5R is the part for a 2003-2004 2.7L base engine). Often 986 and 996 parts will be interchangeable between years and models. I purport that during the rebuild someone bought a head cover lid from eBay since they are probably interchangeable and used it on your 986 engine. You'd have to actually check the head PN to know where that came from. At this point, nothing to worry about, nothing to brag about. __________________ 1999 996 C2 - sold - bought back - sold for more 1997 Spec Boxster BSR #254 1979 911 SC POC Licensed DE/TT Instructor Last edited by thstone; 06-03-2016 at 04:45 PM.