What size thread is a ls400 wheel stud?
The Lexus LS400 commonly uses M12 x 1.5 wheel studs.
Context: This article explains the thread size, related wheel specs, and how to verify the correct studs for LS400 models across years and markets.
Thread size and related specs
Before listing the key specifications, here are the core details you’ll want to know when sourcing or inspecting LS400 wheel studs.
- Thread size: M12 × 1.5
- Bolt pattern: 5 × 114.3 mm
Knowing these specs helps ensure you buy the correct studs and compatible wheels and lug nuts. Variations can occur by year or market, so always confirm with measurements or official documentation for your exact vehicle.
How to verify the thread size on your LS400
To confirm the thread size on your specific LS400, follow these steps:
- Safely lift the vehicle and remove the wheel to access a wheel stud.
- Use a caliper to measure the stud diameter; a diameter close to 12 mm indicates M12.
- Check the thread pitch with a thread gauge or by attempting to thread a known M12 × 1.5 bolt lightly (without forcing).
- Cross-check against your vehicle’s service manual or OEM parts catalog for your exact year/model to confirm the correct size and length.
- If in doubt, consult a dealer or qualified mechanic to confirm before purchasing replacements.
Note: When replacing studs, ensure you also match the correct stud length and the lug nut seat type to avoid fitment issues with wheels and hardware.
Summary
In short, LS400 wheel studs are typically M12 x 1.5, with a 5 × 114.3 mm bolt pattern. Always verify with measured diameter and pitch or by consulting the official parts catalog for your specific year and market to ensure proper fitment and safe installation.
