Walker 1007-1004 Manifold Absolute Pressure Sensor - Manifold

Walker Products HD 1007-1004 MAP Sensor

Walker Products HD 1007-1004 is a manifold absolute pressure sensor for emission control and engine management applications. It is built by Walker Products, a long-standing manufacturer of fuel system and engine sensor components that supplies parts engineered to meet or exceed OEM standards.

Use this MAP sensor when you need accurate manifold pressure input for proper fuel and ignition control. Walker Products HD 1007-1004 is a direct-fit style replacement for service work where dependable sensor output matters.

Key Features

• Manifold Absolute Pressure Sensor for emission control systems
• Walker Products HD product line for engine management applications
• Built to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering and technical resources
• Cross-references Dorman - HD Solutions 904-7525 and CX-1923 for the same application

Detailed Description

Walker Products HD 1007-1004 is a MAP sensor used to measure intake manifold pressure so the engine control system can calculate load and adjust fueling and timing. Accurate MAP sensor input is important for stable drivability, emissions performance, and consistent engine response. This part number, 1007-1004, is part of Walker Products HD, a line focused on heavy-duty engine management and fuel system service parts.

Walker Products has supplied automotive fuel system and sensor components since 1946 and manufactures under ISO 9001/IATF16949 quality systems. For buyers searching for a Walker MAP sensor, Walker Products HD 1007-1004, or a replacement manifold absolute pressure sensor, this part supports service needs where OE-style performance and application accuracy are required.

What It Helps Address

• Rough idle caused by incorrect manifold pressure readings
• Hesitation or poor throttle response
• Check engine light conditions related to MAP sensor faults
• Incorrect fuel delivery from inaccurate engine load data
• Emissions and drivability issues tied to sensor signal errors

Installation Notes and Tips

Confirm the connector style, mounting location, and calibration requirements before installation. Compare the original sensor and vehicle service information to verify application details for your make and model. After installation, clear diagnostic trouble codes and verify live data to confirm the sensor is reporting correctly. Fits are not listed in the provided data, so vehicle-specific compatibility should be confirmed by part number and service information.

Quality Assurance

Walker Products manufactures engine sensors and fuel system components to meet or exceed OEM standards and specifications. The company backs production with in-house manufacturing, product management, engineering, and technical support, and operates under ISO 9001/IATF16949 certification.