I think it is pretty much cut and dried,
OBS fits OBS
NBS fits NBS
NNBS fits NNBS
and whatever you call the 14 and up fits 14 and up.

You will need a 2007.5 to 2013 in what ever bed length your bed is. There were 3 lengths depending on cab style.

 

I think it is pretty much cut and dried,
OBS fits OBS
NBS fits NBS
NNBS fits NNBS
and whatever you call the 14 and up fits 14 and up.

You will need a 2007.5 to 2013 in what ever bed length your bed is. There were 3 lengths depending on cab style.

Old thread, I know. But does 99-06 Silverado fit 99-06 Sierra of same bed size? Seems like I read something that at least one generation of Silverados/Sierras had slightly different measurements. Maybe a later generation?

 

Thanks but I'm actually looking for the measurements of the beds so I can cross refereence the sizes.

 

I don't ever recall seeing a size chart and our NNBS trucks are narrower in the rear of the bed and wider at the front and bows out in the middle. Plus the rear window slants forward where older bodies were straight so if you did mount a nbs cap on your truck it would look like shit with a huge gap at top and narrow one at the bottom. Good luck.

 

I had a cap on my nnbs crew cab short bed. I sold it to someone that had an nbs crew. It looked like crap. But the dude still bought it. It's a huge difference on the bed size.

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Y'all ought to make such a list and post it. Brochures can still be found online.