Little cracks in timing tensioner bolt (1hd-ft)

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Joined
Oct 16, 2025
Threads
3
Messages
15
Location
Victoria, BC
Hey folks! Thanks for checking out my thread.

This may be a silly question (first time doing all of this), but I've just received this OEM timing tensioner bolt for my 1hd-ft from partsouq, and the inner metal surface has a ton of cracks. Is this fine? As in, is this part of the bolt just to driver the outer sturdier metal in (they seem to maybe be different metals)?
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I haven't taken a look at the one already in the truck, I just ordered this as it's cheap and has an important job :) (and some kits seem to come with it)

Thanks!
 
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