These do exactly what they sound like – they secure the wheel to the vehicle. They’re threaded, so they screw onto the wheel studs, and then the lug nut tightens against the wheel, clamping everything together. Pretty simple mechanically, but relies on a good, strong connection. Basically, they’re the final piece holding your wheel on. The wheel studs are bolted to the hub assembly, and the wheel nut grabs onto those studs, holding the wheel firmly in place. Without them, the wheel wouldn’t stay attached while you’re driving, obviously. They work alongside the lug bolts, though people often use the terms interchangeably. These are a safety critical part, no getting around that. They’re under a lot of stress – think about all the forces happening when you hit a bump, accelerate, brake, or even just drive around a corner. A loose or damaged wheel nut can lead to wheel wobble, and then things can go downhill very quickly. You’ll notice if one is missing or seriously loose because you’ll likely feel a vibration. They really act like a shield, preventing the wheel from detaching while you're moving. It’s a good idea to check them periodically to make sure they’re properly tightened. You can find replacements pretty easily, places like Fixparts Online usually have a good selection. Ignoring them isn’t worth the risk, trust me. Trusted brand, trusted warranty: Wheel nut (MPN 36129055947) is covered for 12 months!

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