I make numerous notes on Post-Its and every time I go to look for a particular one or one's, it's not there. 'There' being very relative.

'07 Coupe Ltd: I'm looking for part numbers for the good stuff, not the least expensive - unless the least expensive is the best. Also if there is a particularly good source, I would also appreciate this info.

Oil filters --
Air filters--
Engine air cleaners --
Best spark plugs (I'm partial to NGK's) at what mileage is best to change them? --
Fuel filter and where located? --
What am I missing? --

Biba

I just went to NGK's website and for an '07 Ltd. XF rather than PFR5-11 - gap .039 in the owner's manual they list PFR5R-11 - gap .044. Comments?