Will these sensors clear a check engine light?

If your light is triggered by a rear oxygen sensor fault code (P0135, P0136, P0137, or similar), replacing the failed sensor should clear it once the vehicle cycles through its diagnostics. If the light returns, have the system scanned again to confirm the new sensor is reading correctly.

Do I need any special tools or adapters to install these?

These mount directly into factory locations — no adapters needed. You'll need a standard oxygen sensor socket and a wrench or ratchet to remove the old sensors and install the new ones. Disconnect the battery before you start.

What's the difference between these rear sensors and front sensors?

Rear sensors monitor exhaust after the catalytic converter to fine-tune fuel mixture. They're not interchangeable with front sensors — install these in the rear positions only. Front and rear sensor locations are different on your vehicle.