Hi Richard, 

Broke one of mine back in 2012. Accidentally let the door swing open unchecked when parked on a hill.

I replaced with spare I had, pics etc here

https://shufti.blog/2012/02/01/vanagon-front-door-check-strap/

Hope this helps 

Alistair

> On Sep 17, 2017, at 8:06 AM, Richard A Jones <jones@COLORADO.EDU> wrote:
> 
> 251 837 249
> 
> Is this a wear item?  Is it adjustable?  Who
> know about it?
> 
> One of my four front doors won't stay open
> when parked on a slant--my '81 driver door,
> which has 30 years of daily driving, so
> being worn out is understandable.
> 
> I rather be told by some one who has
> experience than getting into the front door
> to find I can't do anything, but replace.
> 
> And what a part name!
> 
> Richard