Bosch Manifold Absolute Pressure (MAP) Sensors provide accurate air pressure measurement to very fine tolerances for efficient engine performance. The extremely sturdy sensor design employs a special coating that provides resistance to harmful chemicals inside the intake manifold. Bosch sensors are designed to meet or exceed your vehicle's original equipment specifications for performance, driveability, economy, and emissions. To ensure optimal vehicles performance, Bosch continually improves its MAP sensor designs with the latest chip technology. Look to Bosch as your engine management authority. Long recognized as an industry leader in ignition and fuel systems, Bosch's quality, innovation, and experience are the foundation of the entire line of engine management components.