Walker 225-1318 Manifold Absolute Pressure Sensor
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 Walker Products

Walker 225-1318 Manifold Absolute Pressure Sensor

Brand Walker 225-1318
Product line Walker Products
Fits Cadillac · 15 vehicles

OEM standards. Built to meet or exceed OEM specifications.

Engine sensor. Measures manifold pressure for precise engine management.

Walker Products. A long-time supplier of fuel system and sensor components.

Cross-references Standard Ignition AS619, 5S13833 and 227238 for the same application. See all 8.

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Walker 225-1318 Manifold Absolute Pressure Sensor

Walker Products 225-1318 is a manifold absolute pressure sensor for select Cadillac applications. It is built for accurate engine load signal input, helping the engine control system manage fuel delivery and ignition timing based on manifold pressure.

Compatible with Cadillac ATS, CTS, and XTS applications, this MAP sensor is a direct-fit replacement choice for vehicles that need a reliable manifold pressure reading. The Walker Products line is backed by in-house manufacturing, engineering, and product management focused on meeting or exceeding OEM standards.

Key Features

  • Manifold Absolute Pressure Sensor for engine management systems
  • Walker Products part number 225-1318
  • Direct replacement for select Cadillac ATS, CTS, and XTS models
  • Built to support accurate manifold pressure signal output
  • Walker Products fuel system and engine sensor line
  • ISO 9001/IATF16949 certified manufacturing environment

Product Details

The Walker Products 225-1318 MAP sensor is used in engine management systems that rely on manifold pressure data to calculate load and adjust performance parameters. This part cross-references Standard Ignition AS619 for the same application. Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on OEM-level specifications and application accuracy. If you are replacing a MAP sensor on a Cadillac ATS, CTS, or XTS, this part number 225-1318 is a direct reference to verify before ordering.

What It Helps Address

  • Check engine light related to manifold pressure sensor faults
  • Rough idle caused by incorrect pressure signal input
  • Hard starting or extended crank conditions tied to sensor errors
  • Poor fuel control from inaccurate engine load readings
  • Driveability issues on Cadillac ATS, CTS, and XTS models

Installation Notes

Verify the connector style, mounting location, and OE part number before installation. Compare the existing sensor to Walker 225-1318 and confirm vehicle year and model match the listed applications. After installation, clear diagnostic trouble codes and recheck for proper sensor data with a scan tool.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company supports its products with engineering, technical documentation, and application control from an ISO 9001/IATF16949 certified operation.

Vehicle Fitment

  • Fits 2016-2019 Cadillac ATS, N/A
  • Fits 2014-2019 Cadillac CTS, N/A
  • Fits 2019 Cadillac XTS, N/A
  • Fits 2014-2017 Cadillac XTS, N/A

Related reading

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
2019CadillacATS3.6LV6—N/AWalker Products
2019CadillacCTS3.6LV6—N/AWalker Products
2019CadillacXTS3.6LV6—N/ASensor Only
2018CadillacATS3.6LV6—N/AWalker Products
2018CadillacCTS3.6LV6—N/AWalker Products
2017CadillacATS3.6LV6GASN/AWalker Products
2017CadillacCTS3.6LV6GASN/AWalker Products
2017CadillacXTS3.6LV6—N/AWalker Products
2016CadillacATS3.6LV6GASN/AWalker Products
2016CadillacCTS3.6LV6GASN/AWalker Products
2016CadillacXTS3.6LV6—N/AWalker Products
2015CadillacCTS3.6LV6GASN/AWalker Products
2015CadillacXTS3.6LV6—N/AWalker Products
2014CadillacCTS3.6LV6GASN/AWalker Products
2014CadillacXTS3.6LV6—N/AWalker Products
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Standard Ignition — AS6195S1383322723855131155573249EC2001MA0065SU15239