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What size socket is a Toyota lug nut?

There isn’t a single universal socket size for Toyota lug nuts. In most modern Toyotas you’ll typically need either a 21 mm or 19 mm socket, with 21 mm being the more common size depending on model and wheel design.


Common lug-nut socket sizes you may encounter


Because lug-nut hex sizes vary by generation, model and wheel type, these are the sizes you’re most likely to run into on Toyotas.



  • 19 mm (approximately 3/4 inch) hex — used on some older models and certain trims.

  • 21 mm (approximately 13/16 inch) hex — by far the most common size on many modern Toyotas.


If you’re unsure which size your car uses, avoid forcing a socket onto the lug nut, which can damage both the nut and the wheel studs. When in doubt, verify via the owner’s manual or a quick test with a few common sizes.


How to identify the exact socket size for your Toyota


To confirm the exact size for your vehicle, follow these steps:



  1. Check the owner's manual or the service manual for the wheel lug nut specification for your model and year.

  2. Inspect the lug nuts themselves; some may have a size stamped on the nut or a part number that you can look up.

  3. If markings are absent, try fitting sockets starting at 19 mm and 21 mm to see which one fits snugly without forcing.

  4. If your vehicle uses security lug nuts, use the provided key or a matching security socket to remove them, then determine the standard nut size for replacement.

  5. Once you’ve identified the correct size, use a proper 6-point socket and torque to the manufacturer’s specification when reinstalling.


In practice, most Toyota lug nuts fall into the 19 mm or 21 mm category, but confirming for your exact model ensures you avoid damage and achieve the correct torque.


Summary


The exact socket size for Toyota lug nuts is not universal. Most Toyotas use either 19 mm or 21 mm sockets, with 21 mm being the prevalent size on many modern models. Always verify for your specific vehicle by consulting the manual, inspecting the lug nuts for markings, or testing sizes carefully. Use a proper socket (preferably a 6-point) and torque to the manufacturer’s specification to ensure safe, reliable wheel installation.

What size socket is a 2015 Toyota Corolla lug nut?


The 2015 Toyota Corolla uses a 21mm lug nut socket, which is equivalent to 13/16 inch. This is a common size for many Toyota vehicles. 

  • Metric size: 21mm
  • Standard (SAE) size: 13/16 inch



What size socket for lug nuts Toyota?


What are Toyota Lug nuts sizes? The lug nuts on a Toyota vehicle are metric and 21mm in size. You can use a 13/16″ socket to fit them, but only if the tin cover is not damaged or bent. The thread size of the lug nuts on a Toyota Camry is M12 x 1.5, and the center hole size is 60.1 mm.



Is 13/16 the same as 21mm?


No, 13/1613 / 1613/16 inch is not the same as $21$mm, but they are very close and often used interchangeably.13/1613 / 1613/16 inch is equal to $20.65$mm, while $21$mm is equal to approximately 0.830.830.83 inches, meaning $21$mm is slightly larger. Because the sizes are so close, a $21$mm socket or wrench will often fit a 13/1613 / 1613/16 inch nut or bolt, and vice versa, though there can be a less-than-perfect fit depending on the manufacturing tolerances of the tools and fasteners. 

  • 13/1613 / 1613/16 inch = $20.65$mm 
  • $21$mm = 0.826770.826770.82677 inches, which is slightly larger than 13/1613 / 1613/16 inch 



What size is a Toyota lug wrench?


Lug Wrench Tool 21mm Socket 14mm Diameter For Toyota Vehicles 265*80mm.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.