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How To Determine Nut Strength

WARNING: This page is about a different car, the 2007 Lexus GX 470. However, it is still accessible from the selected car via links, so may be relevant.

Nut Type

Fig 1: Identifying Standard Bolt (Nut Type) Specification Table

G05263932

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HINT:

*: Nut with 1 or more marks on one side surface of the nut.
Use a nut with the same nut strength classification number (or greater) as the bolt strength classification number when tightening parts with a bolt and nut.

Example:

Bolt = 4T
Nut = 4N or more