1996 Year interchange?
 

What other years interchange with 96 and does CV front body parts also fit? Have a 96 GM the needs both headlight assemblies and header panel. Can't believe the price on these "new" from the aftermarket. Local yards don't have any GM cars left either.

Parts Interchange
 

Many parts from the '96 Grand Marquis are interchangeable with parts from the '95, '96, and '97 model years of Crown Vics, Grand Marquis, and Town Cars.
It all depends on which part(s) you are looking for.
For example, the entire front clips are interchangeable -- the front bumper covers are different in appearance, but they FIT..
Another example: spark plugs are the same for '95-'96-'97 4.6 liter engines, but are DIFFERENT for later years.
If you have any specific parts in mind, post your request here, and perhaps I can help.

Just found a 07/98 CV with a good HP, would it fit directly? Really trying to avoid aftermarket junk. Not many of these cars in my area. Other than headlights and grille, would a 05 mgm fit also? All the other cars are destroyed or missing. Honestly, other than that, they all look the same.

Sorry, but I don't know what you mean by "HP" -- I'm not good with abbreviations. ;>(

There are hundreds of Panther-platform cars here in Phoenix, and many of them are rust-free.
However, your '96 is now 21 years old -- and parts are getting hard to find.
Best sources for NEW parts at the best prices are Amazon.com and Rockauto.com.
I replaced my headlights and parking/corner lights with aftermarket ones I bought at Amazon.com.
I thought the prices were good, and the lights fit and worked perfectly.
My profile shows pictures of the new lights installed.
There were A LOT of changes between '96 and '05 -- both body and chassis.

I've also found parts from on-line recycling yards, but it takes a good bit of research..

HP = Header Panel I guess I'll have to go aftermarket.

Is this the one you used?
https://www.amazon.com/gp/aw/d/B004GEHOI2/ref=ox_sc_act_image_2?smid=A3HXDPLQKNGIU2&psc=1 also needing headlights and chrome molding for one side.

Header Panel
 

I did not replace my Header Panel -- but the one you showed (from Amazon) is the correct part.
You can get the headlights and chrome trim from Amazon, too.
I got both headlites and the right-side chrome piece form Amazon -- (great price, fast delivery).

Cup holder/ ashtray
 

Limited Choices
 

Chasing parts for 25-year-old, low-production cars is getting tricky -- Your best friends are E-bay and Auto Recyclers, with Junk Yards as an option.
I have gotten hard-to-find parts from out-of-state Auto Recyclers with great success.
I gotta ask -- did you throw your original ash tray out the window, or what !??

The famous 95 MERC's ashtray (same as yours) was modified to hold a GARMIN 66 LMT navigation system, with the Cigar Lighter as the base.
Good Luck !
https://cimg9.ibsrv.net/gimg/www.mer...d8bb92bac3.jpg
95 MERC Engine Bay

Door panel
 

front driver door int what years are interchangeable with 96 driver side door panel