Section Width325 mm (12.8")
Aspect Ratio123%
Rim Diameter43"
Overall Diameter1892 mm (74.5")
Sidewall Height400 mm
Circumference5943 mm
325/123R43 — Buy Tires

Everything to know about the 325/123R43 tire size

Size geometry

A 325/123R43 tire has a 325mm section width and a 123% aspect ratio, mounted on a 43-inch rim. Sidewall height works out to 399.8mm (15.74") and overall outside diameter is 1891.7mm (74.48"). At highway speed the tire completes about 168 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 325/123R43 is unavailable, the closest same-diameter substitutes on the same rim are 315/127R43 and 335/119R43. 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 325/123R43 you can upsize to 335/116R44 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 315/131R42 (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 325/123R43 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 325/123R43

tire_size.no_vehicles_found