DLKintheUSA

Having issues with the hot XKR engine causing plastic parts to fail.  Currently replacing my water-pump every two years because the plastic section cracks.  Is there any way to get upgraded parts?  I'm using certified Jaguar parts, not after market, granted they are Ford parts since my car is a 2011.  Metal instead would be a dream, or japanese made parts.   I hears some Jaguar models have a metal parts replacement package. 

Or... is there a way  to assist in keeping the engine cooler?  I'd put an old fashion hood air scoop on my car if it would help.   

Love my 2011 XKR, but the headliner is starting to sag... What!   Has anyone else had this problem?  What is the solution?