Where to find good quality replacement weatherstrip/ glass seals?

[MyExplorer03v8Lim]

I need to replace the rear glass seal, and I figure I'll do the lift gate while I'm at it.

The parts are like $150 a piece from Fordparts.com, and it doesn't seem like they list a part number that can be referenced elsewhere.

Anyone know of a good source? I have water coming in through the rear glass seal and I'd love to get it tightened up.

Also, is there some type of goop I'm supposed to apply between the rubber and the metal? I've seen it in videos but dont know the product name. Or is it built into the new seals?

 

[EXPLORER04]

Liftgate glass weatherstrip - 3L2Z-7842084-BA Discontinued but looks like some sites have it for around $70
Liftgate weatherstrip - 8L2Z-78404A06-A still readily available around $100

 

[drdoom]

3M weatherstrip adhesive

 

[TechGuru]

I never even open the rear glass part, afraid of breaking it. I'd just put a bead of GE Silicone I along the whole seal then close it and let it cure...perfect seal. Just won't be able to open it, lol.