Walker 210-91032 Air Charge Temperature Sensor

Air Charge Temperature Sensor Overview

Walker Full Service Kit 210-91032 is an air charge temperature sensor built for precise intake air temperature measurement through resistance changes. That signal helps the engine computer calculate fuel delivery more accurately, supporting smoother operation, better fuel efficiency, and cleaner emissions control.

For Nissan Sentra, Frontier, Xterra, Altima, Quest, and Mercury Villager applications, this sensor supports the engine management data needed for cold-start performance and consistent drivability. Part number 210-91032 is a direct-fit style solution for vehicles that use a 2-terminal, blade-style, plug-in sensor connection.

Walker Full Service Kit Details

• Brand: Walker Full Service Kit
• Part Number: 210-91032
• Air charge temperature sensor for engine management systems
• Blade terminal type with 2 terminals
• 1 female rectangle connector
• Plug-in mounting type
• Mounting hardware not included

The Walker Full Service Kit line focuses on service-ready engine components that support accurate sensor input and dependable operation. This Walker 210-91032 air charge temperature sensor is engineered to provide the temperature data the ECU uses to adjust fueling, helping maintain proper combustion across changing ambient and intake conditions.

Vehicle Fitment

• Fits 2000-2006 Nissan Sentra, N/A
• Fits 1998-2004 Nissan Frontier, N/A
• Fits 2000-2004 Nissan Xterra, N/A
• Fits 1996-2002 Mercury Villager, N/A
• Fits 1996-2002 Nissan Quest, N/A
• Fits 1998-2001 Nissan Altima, N/A

What It Helps Address

• Incorrect air temperature input to the engine computer
• Hard cold starts caused by inaccurate intake air readings
• Poor fuel delivery and uneven drivability
• Reduced fuel efficiency from faulty sensor feedback
• Emissions concerns related to incorrect air charge data

Installation Notes

Verify connector shape, terminal count, and mounting style before installation. This sensor uses a female rectangle connector, 2 blade terminals, and plug-in mounting, so the harness and sensor housing must match the original configuration. Inspect the connector for corrosion or damaged terminals before connecting part number 210-91032.

Quality Assurance

Walker is a recognized name in engine management and emissions-related replacement parts. This sensor is built to deliver the temperature signal required for accurate ECU fuel calculation and stable operation across the listed Nissan and Mercury applications.