Home› Emission Control > Sensors› Global Parts 1811645 Manifold Absolute Pressure Sensor
Global Parts 1811645 Manifold Absolute Pressure SensorOE Quality 60-Day Returns
Part #: 1811645

Global Parts 1811645 Manifold Absolute Pressure Sensor

⚙️ 25 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$42.43Free 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: Buick and Cadillac, CTS, LaCrosse, Rendezvous, SRX, and STS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all Manifold Absolute Pressure Sensor options

Overview of Global Parts Manifold Absolute Pressure Sensor

The Global Parts 1811645 Manifold Absolute Pressure (MAP) Sensor is designed to provide accurate pressure readings for optimal engine performance. This sensor is compatible with select Buick and Cadillac models, including the CTS, LaCrosse, Rendezvous, SRX, and STS.

  • Terminal Type: Blade for reliable electrical connection
  • Single female rectangular connector with three male terminals
  • One port for precise manifold pressure measurement
  • Compatible with multiple Buick and Cadillac vehicles
  • Part Number: 1811645 ensures exact fit and function

Detailed Product Description

The Global Parts 1811645 MAP sensor features a blade terminal type that supports a secure and stable electrical connection. It includes one female connector with a rectangular shape housing three male terminals, designed to interface seamlessly with the vehicle’s wiring harness. The sensor has a single port that accurately measures the manifold absolute pressure, which is critical for the engine control unit to adjust fuel delivery and ignition timing.

This sensor is engineered for compatibility with Buick CTS, LaCrosse, Rendezvous, and Cadillac SRX and STS models, ensuring precise fitment and reliable operation. The part number 1811645 corresponds to this specific sensor configuration, making it easier to identify the correct replacement part for your vehicle.

Common Applications and Issues Addressed

  • Helps resolve engine performance problems related to incorrect air-fuel mixture
  • Addresses rough idling and stalling caused by faulty manifold pressure readings
  • Improves fuel efficiency by providing accurate pressure data to the ECU
  • Reduces engine hesitation and power loss during acceleration
  • Prevents check engine light triggers related to MAP sensor faults

Installation Notes and Tips

When installing the Global Parts 1811645 MAP sensor, ensure the connector is fully seated to avoid electrical connection issues. Verify that the blade terminals align correctly with the vehicle’s wiring harness. It is recommended to inspect the sensor port for any debris or damage before installation to maintain accurate pressure readings. Refer to the vehicle’s service manual for specific torque specifications and sensor location.

Quality Assurance and Warranty

Global Parts manufactures the 1811645 MAP sensor to meet OEM standards for durability and performance. While specific warranty details are not provided, Global Parts products typically undergo rigorous quality control to ensure reliable operation in Buick and Cadillac vehicles. Using this sensor helps maintain the integrity of your vehicle’s emission control system.

BrandGlobal Parts
Part Number1811645
Terminal TypeBlade
Connector Quantity1
Connector ShapeRectangle
Terminal Quantity3
Connector GenderFemale
Terminal GenderMale
Port Quantity1

This part fits 25 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009CadillacSTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2008BuickLaCrosse3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2008CadillacCTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2008CadillacSTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2007BuickLaCrosse3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2007CadillacCTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2007CadillacCTS2.8LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2007CadillacSTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2006BuickLaCrosse3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2006BuickRendezvous3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2006CadillacCTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2006CadillacCTS2.8LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2006CadillacSRX3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2006CadillacSTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2005BuickLaCrosse3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2005BuickRendezvous3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2005CadillacCTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2005CadillacCTS2.8LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2005CadillacSRX3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2005CadillacSTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2004BuickRendezvous3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2004CadillacCTS3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2004CadillacCTS3.2LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2004CadillacSRX3.6LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.
2003CadillacCTS3.2LV6N/AEnsure compatibility with various vehicle models before making a purchase for Manifold Absolute Pressure Sensor.

* 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:

12575467AS305SU9489

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

Related Articles