Most Chrysler 300 models with factory wheels use lug nuts sized M14 x 1.5 with a 60-degree conical seat and a 22 mm hex head, designed for a 5x115 mm bolt pattern. That combination covers the majority of late-model 300s, but variations exist by year, trim, and aftermarket wheels.
Common lug nut specifications
The following specifications represent what you’ll typically encounter on stock wheels for the Chrysler 300 across recent years.
- Thread size: M14 x 1.5
- Lug nut seat: 60-degree conical
- Hex size: 22 mm (across flats)
- Bolt pattern: 5x115 mm
- Nut style: conical/acorn-style lug nuts used with OEM wheels
These specifications cover most factory configurations and common aftermarket wheels that retain the same bolt pattern. Always verify for your specific year, trim, or wheel package, as exceptions do exist.
How to verify the exact lug nut size for your car
To confirm the precise lug nut size for your Chrysler 300, follow these steps before buying replacements or new wheels.
- Check the owner’s manual or the official service information for lug nut specs.
- Inspect the vehicle information label on the driver’s door jamb or inside the fuel filler door for wheel/nut data, including bolt pattern and sometimes nut size.
- Examine the current lug nuts or wheel kit packaging for markings or documentation indicating thread size and seat type.
- If you have aftermarket wheels, consult the wheel manufacturer or installation guide for the correct lug nut size, seat type, and torque requirements.
- When in doubt, contact a Chrysler dealer or a qualified tire/w wheel shop to confirm before purchasing.
Getting the lug nut size right matters for proper seating, clamping force, and safety. Incorrect sizes can lead to cross-threading, damaged wheels, or loose wheels.
Owner’s manual and official specs
The most reliable source is the official owner’s manual or Chrysler’s service information for your specific model year. These documents list bolt pattern and recommended lug nut specifications for stock wheels.
Vehicle information label and wheel documentation
Many vehicles carry wheel and tire data on the driver’s door jamb or other labels, including bolt pattern. While not universal for lug nut size, these labels often help confirm the correct pattern and compatible wheel types.
Consult a professional for aftermarket wheels
Aftermarket wheels frequently use different lug nut sizes or seat geometries. Always verify with the wheel manufacturer or a qualified installer to ensure you have the correct lug nuts and torque specifications for safety and performance.
Torque and installation considerations
When installing or replacing wheels, use the torque specification provided by the vehicle or wheel manufacturer. Incorrect torque can damage threads or wheels. If you’re unsure, have a qualified technician perform the job.
Summary
For most Chrysler 300 models, the typical lug nut size is M14 x 1.5 with a 60-degree conical seat and a 22 mm hex, set on a 5x115 bolt pattern. Variations can occur with different model years, trims, or aftermarket wheels, so always verify using the owner’s manual, vehicle labels, or guidance from a shop or wheel manufacturer before purchasing or installing lug nuts.
What size lug nuts does a Chrysler 300 have?
Chrysler 300 Wheel Lug Nuts M14x1. 5 | Black Stainless Steel Lug Nuts.
What size socket is a Chrysler 300 lug nut?
19mm
5 thread pitch (M14x1. 5), which fits many vehicles, including 2005 and newer Chrysler 300 models. They're made from tough forged steel with a durable anodized black finish. The socket size is 19mm (3/4 inch), and they're about 1.38 inches (35mm) tall.
Is a 21mm socket the same as 13/16?
Technically the 13/16 is the smaller and more correct size. Theoretically, both. You can use a 21mm socket on a 13/16 nut. But not vice versa.
Can I use 7/8 instead of 22mm?
A: 22mm = 0.866", which essentialy is a 7/8" socket. A 7/8" socket will work on a 22mm lug nut, but it can feel a little loose. The other way around, a 22mm can work on a 7/8" lug nut, but it can be really snug, which is not bad.


