4WD.ai

2022–present · Third generation XK70

Can You Fit 37-Inch Tires on a Toyota Tundra?

37s should be treated as a complete Tundra build rather than a tire swap. Suspension height, wheel offset, trimming, bump travel and safety-system requirements need to be planned together.

By 4wd.ai · Published · Model years checked against the maker’s documents on

Advanced build

Guide scope

2022–present third-generation Tundra only.

At a glance

Fitment by configuration

These are planning categories—not installation guarantees. The exact wheel and measured tire dimensions can move a build between outcomes.

Stock suspension

Not recommended

Major clearance conflicts should be expected.

1–2 in. level

Not recommended

Insufficient for an all-condition 37-inch package.

3 in. suspension

Conditional fit

Wheel and trimming plan required.

4 in.+ engineered build

Conditional fit

More viable; compression and electronic systems still need checks.

Likely contact points

  • Body-mount and rear liner area
  • Front bumper/liner
  • Upper control arm
  • Compression envelope

Before you order

  • Start with measured tire dimensions
  • Plan trimming before ordering wheels
  • Review Toyota safety-system notes
  • Evaluate gearing and braking impact

Evidence

Sources reviewed

We label source types so a manufacturer specification is not presented as equivalent to an observed owner build.

Maker

Toyota Tundra TRD lift installation document

Kit maker’s documentation

Third-generation Tundra lift/tire fitment documentation

How we read them and what the marks mean: how we source the numbers. A figure doesn’t match its document? Report a wrong number.

Compare the size change

Calculate diameter, ground-clearance and speedometer differences, opened on the Toyota Tundra with 265/60R20 and 37x12.50R20.

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