To harness the optimal blend of timing and fuel/air mixture for your engine, you need a top quality knock sensor.  The knock sensor uses the timing and fuel/air mixture by producing power and efficiency in your engine, keeping it from wasting costly gasoline.  Anyone driving a car has felt the sting of high gas prices so a good knock sensor is more important than ever before.  A high quality knock sensor will help you to conserve the maximum amount of fuel.  Think about this: the knock sensor is responsible for burning the fuel quickly and preventing the fuel from detonating in the cylinder.  A broken Buick knock sensor could end up costing you thousands of dollars in damages.  We've got a knock sensor to fit any model Buick you own.  We've set up our online catalog to help you find what you need easily and without any hassle.  Our low, wholesale prices get you the best possible deals on the internet.