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. We’re here to help: Wheel nut (MPN 4.40121) includes a 12-month warranty!

About DT

DT is a reputable German brand specializing in high-quality spare parts for commercial vehicles. Based in Germany, DT provides reliable components that support the durability and performance of automotive fleets.

Why Choose DT?

• We have the parts you need, even for older or less common vehicles. • Our prices are competitive – you get great value for your money. • We offer fast shipping, so you can get back on the road quickly. • Our customer service team is friendly and ready to help with any questions. DT delivers excellence, FixParts Online delivers to your door.