DRW 4x4 front rotors?
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You should only need to buy rotors. The adapter: I have heard it called the hat, the crown, spacer etc, is reusable and should be the same for all 1999-2003 F350 DRW 4x4's equipped with the DANA 50 or 60 as long as there was not a special order from the factory or a later swap.
Now, we will go into the weeds. I have been asked what gear ratio the front differential is. I personally do not know what if any difference this makes. Most came from the factory with the 4.10. Supposedly, there is a difference if you have the 4.88 or 5.38 gear ratio.....my take on that and I COULD BE WRONG, is that those are for the F450's. There is a ton of erroneous info in some of the data that most parts houses access.
Bottom line, I would remove the old rotors and take them to the store for direct comparison.
Hope this helps.
This will give you an idea of all the differences and possibilities for mistakes:
https://www.rockauto.com/en/catalog/...hub,rotor,1896
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