mchan68 Posted November 30, 2021 Share Posted November 30, 2021 Anybody happen to know the exact size for a rear diff pinion nut. It's for a 2017 F-250 with a 10.5 Sterling. Our local Snap-On dealer had a 41mm socket, but that fits very loosely. Meanwhile, I measured the nut with a dial indicator and got exactly 41.83mm, leading me to believe a 42mm socket would be the correct size. Anybody know for sure? Quote Link to comment Share on other sites More sharing options...
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