Standard Ignition MAS0223 Mass Air Flow Sensor

Mass Air Flow Sensor for Nissan Pathfinder and D21

Standard Ignition MAS0223 is a complete mass air flow sensor assembly built with a metal housing, bolt-on attachment, and a rectangular female connector. It is made for direct replacement service on select Nissan Pathfinder and Nissan D21 applications, with OE-style terminal and mounting details for a straightforward repair.

Key Features

• Complete assembly with housing included
• Bolt-on attachment method with 4 bolt holes
• Rectangular female connector, 1 connector
• Metal housing construction
• 3 blade terminals with male terminal design
• Direct-fit replacement for select Nissan Pathfinder and Nissan D21 models

Detailed Description

Standard Ignition MAS0223 is a mass air flow sensor for 1987-1995 Nissan Pathfinder and 1990-1994 Nissan D21 applications. The sensor uses a bolt-on mounting style, a rectangular connector, and a complete assembly layout to match the original service configuration. For buyers searching for a Nissan Pathfinder mass air flow sensor or a Nissan D21 MAF sensor replacement, MAS0223 provides the key physical and electrical features needed for a proper OE-style service part.

This part cross-references Walker Products 245-1197 and Spectra Premium MA442 for the same application.

What It Helps Fix

• Rough idle caused by inaccurate airflow readings
• Hesitation or stumble during acceleration
• Hard starting related to incorrect air metering
• Check engine light conditions tied to the airflow sensor circuit
• Poor fuel control from a failing mass air flow sensor

Installation Notes and Tips

Verify connector shape, terminal count, and bolt-hole pattern before installation. MAS0223 uses a rectangular female connector, 3 blade terminals, and 4 bolt holes, so matching the original sensor layout is important for proper fitment. Clean the intake tract and inspect the connector and wiring before installing the replacement sensor on your Nissan Pathfinder or Nissan D21.

Quality Assurance

Standard Ignition supplies emission control sensors for service replacement applications, and MAS0223 is built as a complete assembly to support accurate fitment and dependable electrical connection in the specified vehicle range.