Standard AS57T Manifold Absolute Pressure Sensor

Manifold Absolute Pressure Sensor for Dodge and Jeep

The Standard AS57T manifold absolute pressure sensor is a direct-fit emission control component for select Dodge and Jeep applications. It uses quality components for dependable operation and is built as a complete assembly with a mounting bracket for a cleaner, OE-style replacement.

• Manifold Absolute Pressure Sensor for emission control systems
• Complete assembly with mounting bracket(s) included
• 3-terminal design with female connector and male bullet terminals
• 1 rectangular plug-in connector
• Black finish with bolt-on attachment method
• Cross-references Standard Ignition AS57 and Spectra Premium MP117 for the same application

Detailed Product Overview

Standard AS57T is a manifold absolute pressure sensor used to monitor intake manifold pressure for engine management on select Dodge Ram, Dakota, Viper, Ramcharger, B-Series, and Jeep Grand Cherokee applications. This sensor features a 3-terminal, plug-in electrical connection, a rectangular connector shape, and a bolt-on mounting style. The complete assembly format and included bracket support a straightforward replacement where the original sensor and bracket are serviced together. This part number, AS57T, is also referenced in the aftermarket under Standard Ignition AS57 and Spectra Premium MP117.

Compatible With 1992-1996 Dodge Dakota, 1994-1996 Dodge Ram 1500, 1994-1996 Dodge Ram 2500, 1994-1996 Dodge Ram 3500, 1993-1996 Jeep Grand Cherokee, and other listed Dodge truck and performance applications. It also fits 1992-1996 Dodge Viper and 1993 Jeep Grand Wagoneer applications shown in the fitment data.

Common Issues This Sensor Can Address

• Erratic engine idle caused by inaccurate manifold pressure readings
• Hard starting or rough running related to faulty MAP sensor input
• Check engine light concerns tied to manifold pressure signal faults
• Driveability problems from incorrect air-fuel calculations
• Replacement needs after connector, terminal, or sensor housing wear

Installation Notes and Tips

Verify connector style, terminal count, and mounting location before installation. This sensor uses a female connector, male bullet terminals, and a bolt-on attachment method, so the existing harness and bracket arrangement should match the OE configuration. Confirm the OE number 56026770 where applicable for Dodge Ram 2500 and Ram 3500 coverage noted in the fitment data. Always inspect the intake manifold port and electrical connector for damage before installing the new sensor.

Quality Assurance

Standard states that this part is made from quality components for dependability. The AS57T is built as a complete assembly for a direct replacement approach on the listed Dodge and Jeep applications.