If you need new 2003-2025 Mazda 3 lug nuts, this guide may help. This chart contains a list of Mazda 3 wheel nut ranges, both current and historic, alongside the various thread pitches, hex sizes, seat types, appearance, and torque specifications. When considering a new set of wheel nuts, remember that an automotive technician guide can make recommendations.
Mazda Mazda3 Lug Nut Size Chart
| Model | Thread Pitch | Hex Size | Seat Type | Torque Spec | Lug Pattern |
|---|---|---|---|---|---|
| ’03-’09 Mazda3 I (BK) | M12x1.5mm | 21mm (13/16”) | Flat seat with a washer | 108 Nm (80 ft-lb) | 5×114.3mm |
| ’10-’13 Mazda3 II (BL) | M12x1.5mm | 21mm (13/16”) | Flat seat with a washer | 108 Nm (80 ft-lb) | 5×114.3mm |
| ’14-’19 Mazda3 III (BM/BN) | M12x1.5mm | 21mm (13/16”) | Flat seat with a washer | 108 Nm (80 ft-lb) | 5×114.3mm |
| ’20 & Newer Mazda3 IV (BP) | M12x1.5mm | 21mm (13/16”) | Flat seat with a washer | 108 Nm (80 ft-lb) | 5×114.3mm |
Most Mazda 3 lug nuts have a chrome coat or chrome caps. Due to normal wear and tear and the environment, the stock wheel nuts may start to rust. If rust and corrosion occur between the chrome decorative cap and the actual steel lug nut, the lug nuts will swell up. In this case, the best solution is to replace them with new Mazda3 lug nuts.
What is the Torque on a Mazda 3 Lug Nut?
Now that you have chosen the proper Mazda 3 lug nuts. The next step is to install them and torque them properly. The 2003-2025 Mazda Mazda3 wheel nut torque spec is 108 Nm (80 ft-lbs.). To accomplish this, we suggest using a torque wrench. Starting to tighten the wheel nuts by hand to get the wheel seated. Then use a good torque wrench to tighten the Mazda 3 lug nuts a quarter turn at a time following the crisscross sequence (in a “star” pattern).
Enhance the look of your Mazda3 wheels by adding BONOSS forged 50BV30 black lug nuts. BONOSS strictly tested these forged 50BV30 lug nuts to measure quality and performance. These BONOSS forged ISO grade 12 lug nuts are strong enough to undertake more road impacts (proof load over 105,700 N). Higher-strength wheel nuts are able to bear more force and are not easy to break.
What Size is the Lock Nut on a Mazda 3?
The size of a wheel lock nut on a Mazda 3 is M12x1.5mm. Wheel locks are effective protect against wheel thieves. If your wheel locks don’t match the vehicle’s thread pitch, they won’t work on your car. The right size helps to center the wheel on the hub, preventing an annoying vibration. BONOSS forged 50BV30 Mazda 3 lug nuts are machined specifically to fit specific vehicles.
If you need high-strength wheel locks, then a BONOSS forged 50BV30 Mazda 3 lug nut kit is a good idea. The kit includes 4 heptagon wheel locks and a wheel lock key adapter. When the key with hex socket inserts sets the nut inside, the heptagon adapter fits around the heptagon lock nut. Without the proper wheel lock key, it is impossible to remove these Mazda 3 lug nuts. This adds extra security to your nice wheels.
Where is the Mazda 3 Lug Nut Key?
Generally, a Mazda 3 lug nut key is stored in the glove compartment, center console storage, storage box, or trunk. If you lose the key adapter, it will be troublesome to remove the wheel locks. In this case, the best bet is to contact the manufacturer to order a replacement key. Besides, if the wheel locks are swollen, a standard lug wrench might not be enough to remove them. To avoid damaging the wheel, it is recommended to ask a mechanic to remove the lug nut for you.
It is always a good idea to use high-quality wheel locks. For example, BONOSS forged 50BV30 steel Mazda 3 lug nuts are exquisite Mirror-black which maximally beautify your wheel while protecting the wheel locks from rusting or swelling. They give neutral salt spray resistances exceeding 500 hours. This means these BONOSS forged 50BV30 Mazda 3 lug nuts are good to resist various types of damage such as scratches, gouges, wear, and other flaws.
