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Will the Stock Emergency Jack Work With 285/70R17 Tires?

BRunner

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I think we're talking right past each other. My point from the beginning is you can not go by the listed "285/70/18" or "295/70/18" or whatever is listed on your side wall. You have to look at the size of the individual tire your purchasing .


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Yes there is a variance from brand to brand, typically up to 0.3 inches in same sized tires, you're correct there, but not by an inch like your example with different rim sizes.

Back to the actual point of this thread; Yes OP, your jack should work since the size you've installed on your truck is very similar to TRD Pro, Trail Hunter and TRD Off-road. The only possible issue could be if Toyota crapped out on the jack with a smaller one on the SR5 like they did with the spare.
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Joe Dirt

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Just saw this post and figured I would chime in because any off-roading using the supplied bottle jack is a recipe for disaster! Invest in a decent bottle jack with a good support base. There are many out there, here's a picture of one. Good luck

2025 2026 4runner 6th gen Will the Stock Emergency Jack Work With 285/70R17 Tires? Screenshot_20260330_182404_Chrom
 

shine

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Respectfully disagree, I've had to change tires on the side of the trail multiple times and the supplied bottle jack worked perfectly. Once tried a larger one that my Jeep buddy brought, couldn't fit it under the rear jack point when the tire was flat.

Suggest bringing a good base for it, an 8x8 piece of board will work well.
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