The 2019 Honda Pilot uses lug nuts with a thread size of M12 x 1.5, a 60-degree conical seat, and a 19 mm socket for installation and removal. This applies to the factory wheels; aftermarket setups may differ.
Stock lug nut specifications
The following details cover the core specifications most owners will encounter on the factory wheels.
- Thread size: M12 x 1.5
- Seat style: 60-degree conical (cone)
- Wheel studs: 12 mm
- Lug nut socket size: 19 mm (approximately 3/4 inch) hex
These specs describe the stock configuration for the 2019 Pilot. If you’re using aftermarket wheels, the seat type, thread pitch, or socket size may differ, so always verify with the wheel manufacturer or a dealer before purchasing replacements.
How to verify lug nut size and compatibility
Before investing in replacement lug nuts or wheels, follow these steps to confirm you have the correct fitment.
- Check the owner's manual or the door jamb/sticker for the wheel lug specifications and any torque values.
- Inspect the lug nuts on your current wheels for markings that indicate thread size and pitch (for example, M12 x 1.5).
- Measure the thread diameter with calipers and, if possible, confirm the pitch by testing with a matching nut or by consulting the wheel manufacturer’s specs.
- If you’re considering aftermarket wheels, contact the wheel or vehicle manufacturer to confirm lug nut compatibility (thread size, pitch, and seat type) and whether a specific lug nut is required.
Getting these details right helps ensure proper seating, safe wheel retention, and accurate torque when you install or service wheels.
Special cases: aftermarket wheels and anti-theft lug nuts
Aftermarket wheels and security features can change the lug nut requirements. Here’s what to watch for.
- Anti-theft lug nuts require a unique key or socket; keep this key in a secure place separate from the vehicle.
- Some aftermarket wheels use different seat types (for example, ball-seat or different conical angles); confirm the seat type and thread pitch before buying lug nuts.
- Always verify the wheel manufacturer's specifications for nut compatibility and torque recommendations.
When in doubt, consult your dealership, the wheel manufacturer, or a qualified mechanic to ensure you’re using the correct lug nuts and installation procedure.
Summary
For the 2019 Honda Pilot, the stock lug nuts are M12 x 1.5 with a 60-degree conical seat and require a 19 mm socket. This information covers factory wheels; if you’ve added aftermarket wheels or use anti-theft lug nuts, verify the seat type, thread pitch, and socket size with the appropriate manufacturer to ensure a proper fit and safe installation.


