Walker 210-1042 Air Charge Temperature Sensor

Air Charge Temperature Sensor for Nissan and INFINITI

Walker Products 210-1042 is an air charge temperature sensor for select Nissan and INFINITI applications. It is built for direct replacement use where accurate intake air temperature input is needed for engine management performance.

Key Features

• Air charge temperature sensor for engine management systems
• Walker Products replacement part number 210-1042
• OE-style fitment for select Nissan and INFINITI models
• Manufactured to meet or exceed OEM standards and specifications
• Supported by Walker Products engineering and technical resources

Product Details

Walker Products has supplied fuel system and engine sensor components since 1946, with a focus on accurate applications and quality manufacturing. The Walker Products 210-1042 air charge temperature sensor is part of the brand’s engine sensor lineup and is intended for vehicles that rely on intake air temperature data for proper engine control. This part cross-references Standard Ignition AX63 for the same application.

Compatible With 1996-2004 Nissan Pathfinder, 1997-2003 INFINITI QX4, 1999-2002 INFINITI G20, 1996-2001 INFINITI Q45, 1999-2001 Nissan Maxima, 1999 INFINITI I30, 1997-1999 Nissan Sentra, 1997-1998 INFINITI I30, 1997-1998 Nissan 200SX, 1997-1998 Nissan Maxima, 1996-1997 INFINITI J30, 1996-1997 Nissan Altima, 1996 Nissan 300ZX, and 1995 INFINITI J30. The part number 210-1042 is also commonly searched for Nissan Maxima and INFINITI QX4 sensor replacement needs.

Common Issues This Part May Address

• Incorrect intake air temperature signal to the engine control system
• Hard starting or rough running related to sensor input errors
• Reduced drivability caused by inaccurate air charge readings
• Check engine light concerns tied to air temperature sensor faults
• Replacement need after sensor wear, contamination, or electrical failure

Installation Notes and Tips

Verify the connector style, mounting location, and vehicle application before installation. Fitment notes include air intake hose location on some 1997-1998 INFINITI I30 and 1997-1998 Nissan Maxima applications. Confirm the sensor matches the original part number and engine configuration before replacing the existing unit.

Quality Assurance

Walker Products manufactures engine sensors to meet or exceed OEM standards and specifications. The company is ISO 9001/IATF16949 certified and supports product accuracy with in-house manufacturing, engineering, application data, and technical support.