Prenco 4M-1055 Mass Air Flow Sensor

Mass Air Flow Sensor for Nissan and INFINITI

Prenco 4M-1055 is a black mass air flow sensor for direct-fit emission control service on select Nissan and INFINITI applications. It uses a single rectangular female connector with blade terminals and mounts without included hardware or a mounting bracket.

Key Features

• Mass air flow sensor for emission control system service
• Black housing with one rectangular female connector
• Blade terminal type for the specified vehicle connection
• No mounting hardware included
• No mounting bracket included
• Cross-reference part numbers include Beck/Arnley 158-1070 and Standard Ignition MAS0175

Detailed Description

This Prenco 4M-1055 mass air flow sensor measures incoming air for the engine management system on 2001-2003 INFINITI QX4 and 2001-2002 Nissan Pathfinder models with housing. Accurate airflow input helps the engine control module manage fuel delivery and drivability on these applications. If you are replacing a failing MAF sensor on a Nissan Pathfinder or INFINITI QX4, this part number provides a direct replacement path for the listed vehicles.

This part cross-references Beck/Arnley 158-1070 and Standard Ignition MAS0175 for the same application.

What It Helps Address

• Check engine light related to airflow sensor faults
• Rough idle or unstable engine operation
• Hesitation during acceleration
• Poor fuel metering from incorrect air measurement
• Driveability issues on 2001-2003 INFINITI QX4 and 2001-2002 Nissan Pathfinder with housing

Installation Notes and Tips

Verify the connector shape, terminal type, and housing configuration before installation. This Prenco 4M-1055 uses one rectangular female connector with blade terminals and does not include mounting hardware or a mounting bracket. Confirm the vehicle is one of the listed applications: Fits 2001-2003 INFINITI QX4, N/A; Fits 2001-2002 Nissan Pathfinder, N/A.

Quality Assurance

Prenco emission control sensors are built for replacement service on the specified applications and are listed with multiple interchange references for parts matching. Confirm fitment by year, make, model, and housing configuration before ordering.