Will I need to replace the spindle or suspension components when I install this hub?

Not necessarily. These assemblies mount at factory points — your existing spindle and suspension hardware typically stay in place. Inspect those components during install for wear, but replacement depends on their condition, not the hub itself.

What tools do I need to get this installed?

Standard socket set, breaker bar, and a way to safely support the vehicle. Some shops use a wheel bearing puller to remove the old hub; hand tools alone can work if you have patience and the right leverage. A torque wrench is smart for final tightening.

Can I reuse the hub bolts or do I need new fasteners?

Inspect the bolts you remove. If they're clean and threads aren't stripped, they're usually good to go back in. If any are questionable, replacement hardware is inexpensive insurance — torque specs are in your service manual.