What is this stuff?

[Himes24]

Bought this 2017 crew cab a month ago saw some paint defects in between the bed and cab so I decided to look under the body and notice this glob of adhesive material. Just making sure the truck wasn't in a wreck where they used a body filler of some sort.

[jaxcam02]

is it hard or rubbery?

[Sierra Dan]

Looks like someone got wild with a tube of caulking 

[mikedeezxxx]

Looks like seem sealer.


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[wforrest08]

We had a Colorado at work that the local Ford stealership put a new box side on. On the Colorados anyway the bed side is “glued” on between the bed side and the bed floor. Whatever they used looked just like your wad. We could see it where it squeezed out the seams. 

[Lsgun1]

It's seam sealer, it's fine.