If your brake warning light is on or you're replacing your pads, don't forget the sensor! This URO Parts brake pad wear sensor (part #901 540 0217) is a direct replacement for your front and rear brakes. It's built to OE specs, so it fits perfectly and snaps right into place. The wiring and connectors are high-quality to handle the heat and grime near your brakes, which means it'll last. It's super important to replace these sensors whenever you change your brake pads – otherwise, your warning system won't work right, and you might miss when your pads are getting low. This one comes with a solid 24-month/unlimited-mileage warranty, so you know it's dependable. Easy to install for a DIYer or your mechanic. Keep your braking system complete and your dashboard happy!