HomeEmission Control > SensorsStandard Ignition AS373 Manifold Absolute Pressure Sensor
Part #: AS373

Standard Ignition AS373 Manifold Absolute Pressure Sensor

13 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$88.56Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Land Rover, LR3, Range Rover, and Range Rover Sport
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition AS373 Manifold Absolute Pressure Sensor

The Standard Ignition AS373 Manifold Absolute Pressure (MAP) Sensor is designed for precise engine management in Land Rover vehicles, including the LR3, Range Rover, and Range Rover Sport. This sensor plays a critical role in monitoring manifold pressure to optimize fuel delivery and engine performance.

  • Connector Gender: Female
  • Color/Finish: Black
  • Connector Quantity: 1
  • Connector Shape: Rectangular
  • Connector Type: Plug in
  • Hardware Included: No
  • Mounting Bracket(s) Included: No
  • O-Rings Included: Yes
  • Terminal Gender: Male
  • Terminal Quantity: 4
  • Terminal Type: Blade
  • Vacuum Port Quantity: 1
  • Wiring Harness Included: No

Detailed Product Description

The Standard Ignition AS373 MAP Sensor features a single rectangular female plug-in connector with four male blade terminals, ensuring secure and reliable electrical connections. Its black finish provides durability and resistance to environmental factors under the hood. The sensor includes one vacuum port and comes with O-rings to maintain a proper seal and prevent vacuum leaks. While hardware and mounting brackets are not included, the sensor is designed for straightforward installation in compatible Land Rover models.

Compatible Vehicles and Applications

This MAP sensor is compatible with Land Rover LR3, Range Rover, and Range Rover Sport models. It is engineered to meet the specific emission control and sensor requirements of these vehicles, ensuring accurate manifold pressure readings for optimal engine control.

Common Issues Addressed by the AS373 MAP Sensor

  • Erratic engine idling or stalling
  • Poor fuel economy due to incorrect air-fuel mixture
  • Check engine light triggered by faulty manifold pressure readings
  • Reduced engine power and performance
  • Emission control system malfunctions

Installation Notes and Tips

When installing the Standard Ignition AS373 sensor, ensure the O-rings are properly seated to prevent vacuum leaks. The sensor plugs directly into the vehicle’s wiring harness using the female rectangular connector. Since mounting hardware is not included, reuse existing brackets or secure the sensor according to manufacturer specifications. Verify all electrical connections are tight and free of corrosion before completing installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The AS373 MAP Sensor undergoes rigorous testing to ensure reliability and durability in emission control applications. Please refer to Standard Ignition’s warranty policy for specific coverage details.

BrandStandard Ignition
Part NumberAS373
Connector GenderFemale
Connector TypePlug In
Terminal GenderMale
Terminal TypeBlade

This part fits 13 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009Land RoverLR3N/A
2009Land RoverRange Rover4.4LV8N/A
2009Land RoverRange Rover Sport4.4LV8N/A
2008Land RoverLR34.4LV8N/A
2008Land RoverRange Rover4.4LV8N/A
2008Land RoverRange Rover Sport4.4LV8N/A
2007Land RoverLR34.4LV8N/A
2007Land RoverRange Rover4.4LV8N/A
2007Land RoverRange Rover Sport4.4LV8N/A
2006Land RoverLR34.4LV8N/A
2006Land RoverRange Rover4.4LV8N/A
2006Land RoverRange Rover Sport4.4LV8N/A
2005Land RoverLR34.4LV8N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2-2709446281955S1166574347EC1857ECA1489SU13118

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.