The 4 inners & outers are the same, but backup light socket is different.

Not sure where you're heading but here's Autozone's offering for factory replacement, usually in stock $4.19 each, Dorman 85818:
http://www.autozone.com/autozone/parts/D...=600528_0_4155_

Honestly the metal ones bite better than these...I think these are a poor design and the cause of many problems. But I'm not sure if your goal is originality or not.

If diameter is about the same and they accept 2 filament 1157 bulbs, the metal ones designed for Ford/Chrysler often work better if you find those instead.