front speed sensor bolts

91651-B0618 - Genuine Toyota BOLT, W/WASHER

 

Sorry. I know this is too late to help the OP, but hopefully helps someone else. I ran into the same issue with the broken bolt. It turns out the bolt is M6-1.0 x 20mm. Obviously, it would be better to get the specific bolt at the dealer, but if you don't have a dealer nearby, you can likely get the M6-1.0 x 20mm at a local hardware store. I used this size bolt along with two 1/4 inch flat washers and it worked out perfectly. (One flat washer might be fine too, but I didn't try it.)

Note to self for future reference: I don't know the torque spec, but these bolts don't need heavy tightening torque. Next time, I will just use a stubby ratchet so that I don't over-torque it.

 

For future reference, I found that the ABS speed sensor bolt torque spec is 8NM or 71 inch lbs.

 

Also for future reference...those things always break when they're rusty. It is easy, and probably better, to unplug the wire from inside the engine compartment, thread it out through the wheel well hole, unclip/unscrew it from the strut, and remove the knuckle WITH THE WHOLE WIRE ATTACHED when you need to press out the bearing.