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the trans mount on my '03 EX 4x4 is very "square/rectangle" shaped, whereas the replacements on-line (Summit, RockAuto, etc) and at local auto parts stores is more "trapezoidal". Has the part changed since 2003? should I be looking for F250/350 trans mounts instead?
Whoops, not only was it 2wd but I linked the AA version which is without damper,
the original excursion 4x4 is the same 6068 part number With a BA version designator
in 2005 the prefix was changed from yc3z to 5c3z denoting the new ( internal engineering update ) number.
If you look up a 2003 f250 you will see this new number
the 5 instead of the y denotes it was redesigned in 2005 so a 2003 wouldn’t have that originally
the part number 6068 is the same
the suffix denotes it has been changed twice, Originally it would have been a AA ( like the non dampener unit I linked )
A 2003 f250 with damper is version BB and no reason I am aware that it will not work.
Yes ford part numbers can be confusing and they do updates constantly, however not all discountinued vehicles get updated numbers but since the f250 is still in production you can often find the number you need in the f250 listing.
Whoops, not only was it 2wd but I linked the AA version which is without damper,
the original excursion 4x4 is the same 6068 part number With a BA version designator
in 2005 the prefix was changed from yc3z to 5c3z denoting the new ( internal engineering update ) number.
If you look up a 2003 f250 you will see this new number
the 5 instead of the y denotes it was redesigned in 2005 so a 2003 wouldn’t have that originally
the part number 6068 is the same
the suffix denotes it has been changed twice, Originally it would have been a AA ( like the non dampener unit I linked )
A 2003 f250 with damper is version BB and no reason I am aware that it will not work.
Yes ford part numbers can be confusing and they do updates constantly, however not all discountinued vehicles get updated numbers but since the f250 is still in production you can often find the number you need in the f250 listing.
the “c” is the decade code indicating this 6068 part was first used in the 1960’s, The 3 is the year, So this mount was first used in 1963, in the ford bronco it was c3z6068-a So it has morphed from the A varianent to B then C all the way through the alphabet and then started on BA up to the excursion BB ,
The BB mount should be backwards compatible to BA as the new number could be as simple as a change in suppliers
Bronco introduced in 1966, so wouldn't have a 3 as the 2nd digit of the part number prefix for a specific Bronco part.
Go to Tasca's online parts catalog, see what part number you come up with. I used Auto Nations catalog, but all the online FoMoCo dealer parts catalogs are operated by trademotion.
Dealers can customize their specific catalog by changing the % of the discounts they offer.
I've been looking up Ford part numbers in catalogs for 57 years, so I know what I'm talking about.
Jeeeezus, all I wanted was a freakin' part # for a plain old trans mount. Instead I learn that Ford is part of the inner circle of the Illuminati and that secrets and superstition abound. To make things even more confusing, I found that the mount on my EX has the two part #'s stamped on it - Yc35-6D091-ae (Green), F81A-6D091-BC (White) - while there's another mount out there 5C34-6D091-BC that is PURPLE!?!?!? Seriously? Bill, please, for God's sake, when I place an order, what # is needed to get the right part?
Jeeeezus, all I wanted was a freakin' part # for a plain old trans mount. Instead I learn that Ford is part of the inner circle of the Illuminati and that secrets and superstition abound. To make things even more confusing, I found that the mount on my EX has the two part #'s stamped on it - Yc35-6D091-ae (Green), F81A-6D091-BC (White) - while there's another mount out there 5C34-6D091-BC that is PURPLE!?!?!?
Seriously? Bill, please, for God's sake, when I place an order, what # is needed to get the right part?
These are not part numbers, they are ID engineeringnumbers. These ID numbers can be crossed over to Ford part numbers by using the apropos Master Cross Reference Catalog.
No Ford part numbers marked on parts after 1956, just casting or ID engineering numbers, when applicable.
The correct 2003 Excursion 6.8L 4WD rear mount is YC3Z-6068-BA .. It's obsolete, I was unable to find any.
Seriously? Bill, please, for God's sake, when I place an order, what # is needed to get the right part?
Also see post #10.
There are two ways to get the part number. You can look it up yourself using a dealers online parts catalog, or you can go to a dealer, give them your VIN
When the VIN is typed into FoMoCo's computer system, the part number appears on the screen.
This isn't like the "old days" when parts guys had to look up the part numbers in catalogs by themselves. Having a good memory was another requirement.
Today, you don't even need to be a parts guy, what you need to be is...a computer certified tech.
Some of these 'new' parts guys are so dumb, the only way they can ID a Ford is because it says so on the vehicle somewhere!
Ok, ok. I'll give in. My concern in this whole process is that when I punch in the vehicle info on-line the part systems (Tasca, Gaudin, Sunrise, or other FORD dealer website) they show the "proper mount" for my EX as the one for a 2wd drive train (trapezoidal lighter looking construction) as the 4x4 version (rectangular, beefier construction) is NLA/discontinued. If you'll indulge me, last question - is there a difference in the Green, White, Purple designations? rubber hardness/strength? Or just the color of the paint they had that day?
Unknow to me but the hardness is as good a guess as any, look at the other measures taken to turn the F250 into something soccer moms would tolerate and it would make sense they would use a softer mount material,
almost certain the leaf spring bushings are softer, the Ex uses those dingleberry deals under the trans to isolate vibrations, lower ride height, ect....
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indicating this 6068 part was first used in the 1960’s, 
The 3 is the year, 
(sigh) I don't know where you got this info, but it's wrong.
This is the WRONG