Section Width105 mm (4.1")
Aspect Ratio363%
Rim Diameter43"
Overall Diameter1855 mm (73.0")
Sidewall Height381 mm
Circumference5826 mm
105/363R43 — Buy Tires

Everything to know about the 105/363R43 tire size

Size geometry

A 105/363R43 tire has a 105mm section width and a 363% aspect ratio, mounted on a 43-inch rim. Sidewall height works out to 381.1mm (15.01") and overall outside diameter is 1854.5mm (73.01"). At highway speed the tire completes about 172 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/363R43 is unavailable, the closest same-diameter substitutes on the same rim are 95/401R43 and 115/331R43. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 105/363R43 you can upsize to 115/320R44 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/415R42 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.

Vehicle compatibility

0 vehicles in our database run the 105/363R43 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 105/363R43

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