Standard Motor Products AS483 Manifold Absolute Pressure MAP Sensor

The Standard Motor Products AS483 is a direct-fit replacement Manifold Absolute Pressure (MAP) Sensor specifically engineered for high-mileage GM vehicles. This sensor monitors intake manifold pressure and converts that vacuum signal into an electrical output the engine control module uses to calculate proper fuel delivery and ignition timing.

Standard Motor Products has been a trusted name among professional technicians for over 100 years, manufacturing sensors that meet or exceed original equipment specifications. The AS483 is built to restore proper engine management function, helping eliminate symptoms such as rough idle, poor fuel economy, hesitation, and fault codes related to manifold pressure.

Key Features:

• Specifically engineered for high-mileage GM vehicle applications
• Meets or exceeds OEM specifications for fit, form, and function
• Restores accurate manifold pressure signal to the engine control module
• Helps correct rough idle, poor fuel economy, and MAP-related diagnostic trouble codes
• Manufactured by Standard Motor Products — trusted by professionals for over 100 years
• UPC: 727943284990

The Standard Motor Products AS483 MAP sensor is a reliable, professional-grade replacement that delivers consistent performance and long service life.