Walker 245-1187 Mass Air Flow Sensor

Walker Mass Air Flow Sensor 245-1187

Walker Mass Air Flow Sensor 245-1187 is a direct-fit engine management replacement for select Nissan applications. It is built with a 3-terminal female connector, includes mounting hardware, and is supplied without a housing for sensor-only service where applicable.

Key Features

• Walker Mass Air Flow Sensor for precise air measurement in the intake system
• Part number 245-1187 for easy identification and ordering
• 3-terminal female connector
• Mounting hardware included
• Housing not included
• Backed by Walker Products engineering, manufacturing, and technical support resources
• Manufactured to meet or exceed OEM standards and specifications

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on OEM-level fit and production control. The Walker Mass Air Flow Sensor line is part of that engine management offering, and 245-1187 is intended for Nissan Pickup and Nissan D21 service where the original sensor needs replacement. This part cross-references Spectra Premium MA236 for the same application.

Compatible With 1990-1994 Nissan D21, N/A; 1995 Nissan Pickup, N/A; 1996 Nissan Pickup, N/A (up to January 1996); and 1993-1994 Nissan Pickup, N/A, sensor only. Use 245-1187 when servicing a Nissan Pickup or Nissan D21 with the listed fitment and connector configuration.

Common Symptoms This Part May Address

• Rough idle caused by inaccurate airflow signal input
• Hesitation or stumble during acceleration
• Reduced fuel economy from incorrect air-fuel calculation
• Check engine light related to mass air flow sensor performance
• Poor drivability after sensor wear or contamination

Installation Notes

Verify connector style, terminal count, and application notes before installation. This sensor uses a female connector and 3 terminals, and the housing is not included. For 1996 Nissan Pickup applications, confirm the vehicle is built up to January 1996. Follow factory service procedures for inspection, connector cleaning, and relearning steps if required by the vehicle.

Quality Assurance

Walker Products is ISO 9001 and IATF 16949 certified and supports its engine sensors with in-house manufacturing, product management, engineering, and technical documentation. Part number 245-1187 is produced to align with OEM standards and specifications for the listed Nissan applications.