What you need to know： If the power brake booster is not functioning properly, you will notice problems such as the brake pedal being very hard to press, and the vehicle taking longer than normal to come to a stop. It may be time to replace the power brake booster. The brake booster uses vacuum power that the engine generates to give a power assist to the braking system. However, the brake booster is not a serviceable unit. If the booster fails, then the old booster has to be removed from the truck so that it can be replaced. A high-quality brake booster makes your driving safer, easier and more reliable. Note: It comes without Master Cylinder & Sensor Vehicle Fitment： .
