SKP SK2451187 Mass Air Flow Sensor

Mass Air Flow Sensor for Nissan D21

Restore accurate airflow measurement with this SKP mass air flow sensor, part number SK2451187. It is a direct-fit replacement for select Nissan D21 applications and is built for vehicles that rely on precise intake air data for proper engine management.

Key Features

• Mass air flow sensor for emission control and engine air metering
• Direct-fit replacement for select Nissan D21 applications
• Supports accurate airflow signal delivery to the engine control system
• Cross-references Cardone Reman 74-50052 for the same application
• Part number SK2451187 for easy identification

Detailed Description

This SKP mass air flow sensor is engineered for 1990-1994 Nissan D21 models. As part of the engine management system, it measures incoming air so the control module can adjust fuel delivery and maintain proper drivability. When the original sensor becomes inaccurate or fails, replacement with the correct SK2451187 unit helps restore consistent airflow readings and stable engine operation. This part cross-references Cardone Reman 74-50052 for the same application.

SK2451187 is a practical replacement choice for Nissan D21 owners looking for a sensor matched to the original application. The part number SK2451187 also cross-references Walker Products 245-1187 and TYC 7450052 in interchange data.

What It Is Used For

• Incorrect airflow readings from a worn sensor
• Rough idle caused by inaccurate air metering
• Fuel mixture issues related to faulty intake air data
• Check engine light conditions tied to sensor failure
• Poor throttle response from inconsistent sensor output

Installation Notes and Tips

Verify connector style, housing shape, and application details against the original sensor before installation. Inspect the intake tract, air filter housing, and electrical connector for contamination or damage that could affect sensor performance. Confirm fitment for 1990-1994 Nissan D21, N/A, using the vehicle's original configuration.

Quality Assurance

SKP offers an OE-style replacement approach for service parts like this mass air flow sensor. Confirm part number SK2451187 and application details before ordering to ensure the correct match for your vehicle.