Well I found out that the discontinued one comes out real easy, I thought I would have to destroy it to remove it but i decided to try and give it some light taps just to see what would happen, and it popped right out.
Its part #15237958 and the gm parts catalog shows it was also used in the 2011 lucerne and dts so I guess I will try to grab a good one at the junkyard from the newest one of those I can find.
worth a shot, thats a good sign, because i think the 1998-2000 or 1998-2001 cars use a different one(2000 lesabre is the earliest in lesabre, but Aurora, Park Avenue, Riviera, and a
cadillac go back to the 90s)
That means the same
cadillac also goes back that far.
Expand your search with 2002-2005 Boneville
2002-2003 Aurora
2002-2005 Park Avenue
2002-2006
Cadillac (something) as well as 2006-2011
Cadillac
while youre at it, if the car is low mileage, the REAR SHOCKS are superior in everyway, and their rear sway bar may be better than the one you sourced (whats yours from?)
There is other things you can rob off them if you desire, such as the air compresor and bracket assembly, the height sensor, 3800 and 3..9?3.6? are the only compatible years for wheel bearings/brakes etc
The rear brakes are bigger than your lesabre, the front brakes are too, requiring larger diameter wheels but just figured to throw out there. Master cylinder might be worth ripping in case they differ and they can be used for better use of those brakes. just a thought.
The wiper motors covers electronics would be useable to adapt Rainsense to cars without it, but youd need the sensor and wiring , but the cover is easy to get.
The engine/trans mounts if you got them OE and used in good condition, are also superior. harder to get tho. Underhood lamps if you dont have one might work
Cadillac and possibly buick lucerne may have an aluminum spare, if they do, its lighter and will work on your car and fit in the well.
Wheels all swap