Need a sturdy front wheel bearing nut for your heavy-duty Chevy or GMC truck? This metal nut is designed specifically for 2003-2009 C4500, C6500, and C7500 models (aka Kodiak or Topkick). It replaces part numbers 15084370 and 15125099, so you know it’s the right fit. Made from tough metal, it secures your front knuckle spindle and wheel bearing assembly, keeping everything tight and safe on the road. Whether you’re doing routine maintenance or a full front-end repair, having the correct nut is crucial for safety and performance. Durable, reliable, and built to handle the demands of commercial or fleet use. Keep your truck rolling smoothly with this simple but essential component. Perfect for mechanics, fleet owners, or DIYers who work on these rugged vehicles.