Rear Wheel Hub Bearing Assembly 521000 Exact Replacement For Ford Explorer 2002 To 2010 Mountaineer 2002 To 2010 Explorer Sport Trac 2007 To 2010 Aviator 2003 To 2005 Explorer Sport 2002 To 2003 Built To Last

521000 Rear Wheel Hub Bearing - Exact Ford Replacement ✔️ Single unit per package, ready for fast, simple installation

This rear wheel hub bearing assembly is an exact replacement designed for Ford Explorer (2002-2010), Mountaineer (2002-2010), Explorer Sport Trac (2007-2010), Aviator (2003-2005), and Explorer Sport (2002-2003). It uses a sealed ball bearing in a robust steel housing to provide smooth rotation, precise fit, and reliable load support for rear wheels on SUVs and trucks.

✅ Premium #55 carbon structural steel outer ring and flange for high hardness and strength
✅ Rust and corrosion protected surface finish extends bearing life
✅ Triple oil seal design minimizes noise and keeps moisture out
✅ Precise overall geometry enables quick, easy installation
✅ Includes studs; 3-year warranty and OE-grade quality

💡 What is a wheel hub bearing assembly used for in automotive applications?

It’s a handy part that connects the wheel to the axle, supporting rotation and maintaining proper alignment under driving loads.

• Handy for keeping wheels aligned and reducing friction
• Sealed ball bearing design helps resist contaminants and wear
• Common in SUVs, trucks, and passenger cars for reliable wheel motion