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So out of curiosity I ran my stepdads 2003 f350’s vin and came across this for the springs can anyone give me some kind of idea what spring codes this thing could possibly have?
if y’all need more information let me know
so what's the rating for them? the b spring from what i can find seems to be rated for ~3000 pounds and the x spring is rated for ~2630 pounds is that right? or are there multiple variations of it with different ratings like the rear- one i see with the number 43-1261 has a rating of 3000 for the 99-04 where as there's another one numbered 43-1263 with a rating of 3300 which is the OEM rating then? just making sure i wanna learn this kind of stuff lol part numbers too maybe
front has 2 leaf's rear has 5 total with a 6th one that just- rests on top not part of the shackle a helper thing maybe?
Edit: nvm i think i figured it out but still be free to addon to this
Last edited by ArticTheWolf; Oct 31, 2025 at 04:09 PM.
actually i have probably a dumb question- the XB code would be used no matter if it was a crew cab long bed or single cab long bed right? just something that came to mind for some reason
The X codes (6000 lb rating for the pair) were a factory option when the snow plow prep was selected. They are a 2 leaf pack.
I don’t currently have info on the rear B codes.
The X codes (6000 lb rating for the pair) were a factory option when the snow plow prep was selected. They are a 2 leaf pack.
I don’t currently have info on the rear B codes.
so regardless of cab type and bed length as long as the snow prep was selected they all had x codes
curious to hear about the b code ones if you do manage to find something
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