Standard Ignition AX91 Ambient Air Temperature Sensor

Name: Standard Ignition AX91 Ambient Air Temperature Sensor
Brand: Standard Ignition
SKU: FBHK-AX91
Price: 47.19 USD
Availability: InStock

⚙️ 159 vehicles fit this part

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✅OE Direct Replacement — Bolt-on fit, no modifications needed

🚗Fitment: Nissan and INFINITI, Maxima, Altima, GT-R, Murano, M35, M45, 350Z, Quest, FX35, FX45, and G35

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Reliable Ambient Air Temperature Sensor for Nissan and Infiniti Vehicles

The Standard Ignition AX91 Ambient Air Temperature Sensor is designed to provide accurate temperature readings for your vehicle's HVAC system. Compatible with a wide range of Nissan and Infiniti models, this sensor helps maintain optimal climate control performance.

Direct replacement part number AX91 for easy identification
Compatible with Nissan and Infiniti models including 350Z, Altima, FX35, FX45, G35, GT-R, JX35, Kicks, M35, M45, Maxima, Murano, Pathfinder, Q40, Q50, Quest, QX50, QX60, Rogue, Sentra, and Versa
Ensures precise ambient air temperature readings for HVAC system efficiency
Durable construction designed to withstand automotive environmental conditions
OEM-quality fit and function for seamless integration

The Standard Ignition AX91 Ambient Air Temperature Sensor plays a critical role in your vehicle’s climate control system by monitoring the outside air temperature. This data allows the HVAC system to adjust heating and cooling output accurately, improving passenger comfort and system efficiency. Designed specifically for Nissan and Infiniti vehicles, this sensor meets strict quality standards to ensure reliable performance and longevity.

Purpose and Common Issues Addressed

Helps resolve inaccurate temperature readings affecting HVAC performance
Prevents erratic climate control behavior caused by faulty sensors
Eliminates issues with automatic temperature regulation in Nissan and Infiniti models
Supports proper engine management by providing ambient temperature data
Reduces risk of HVAC system malfunctions related to sensor failure

Installation Notes and Tips

Installation of the Standard Ignition AX91 sensor requires locating the existing ambient air temperature sensor, typically mounted near the front grille or bumper area. Disconnect the vehicle battery before installation to avoid electrical issues. Carefully remove the old sensor and replace it with the AX91, ensuring a secure connection. Verify sensor operation by checking HVAC system response after installation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable fit and function. The AX91 Ambient Air Temperature Sensor undergoes rigorous testing to maintain consistent performance under various driving conditions. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship for a specified period.

Brand	Standard Ignition
Part Number	AX91
Attachment Method	Push On
Color	Black
Connector Gender	Female
Connector Shape	Round, Square
Connector Type	Plug In
Contents	Sensor
Mounting Bracket(s) Included	No
Terminal Gender	Male
Terminal Type	Blade
Voltage	12
Wiring Harness Included	No

This part fits 159 vehicles. Search below:

Year	Make	Model	Liters	Cylinders	Position	Notes
2025	Nissan	Altima			N/A
2025	Nissan	Sentra			N/A
2025	Nissan	Versa			N/A
2024	Nissan	Altima			N/A
2024	Nissan	GT-R			N/A
2024	Nissan	Kicks			N/A
2024	Nissan	Murano			N/A
2024	Nissan	Sentra			N/A
2024	Nissan	Versa			N/A
2023	Nissan	Altima			N/A
2023	Nissan	GT-R			N/A
2023	Nissan	Kicks			N/A
2023	Nissan	Maxima			N/A
2023	Nissan	Murano			N/A
2023	Nissan	Sentra			N/A
2023	Nissan	Versa			N/A
2022	Nissan	Altima			N/A
2022	Nissan	Kicks			N/A
2022	Nissan	Maxima			N/A
2022	Nissan	Murano			N/A
2022	Nissan	Sentra			N/A
2022	Nissan	Versa			N/A
2021	Nissan	Altima			N/A
2021	Nissan	GT-R			N/A
2021	Nissan	Kicks			N/A
2021	Nissan	Maxima			N/A
2021	Nissan	Murano			N/A
2021	Nissan	Sentra			N/A
2021	Nissan	Versa			N/A
2020	INFINITI	Q50			N/A
2020	INFINITI	QX50			N/A
2020	INFINITI	QX60	3.5L	V6	N/A
2020	Nissan	Altima			N/A
2020	Nissan	GT-R			N/A
2020	Nissan	Kicks			N/A
2020	Nissan	Maxima			N/A
2020	Nissan	Murano			N/A
2020	Nissan	Pathfinder			N/A
2020	Nissan	Rogue			N/A
2020	Nissan	Sentra			N/A
2020	Nissan	Versa			N/A
2019	INFINITI	Q50			N/A
2019	INFINITI	QX50			N/A
2019	INFINITI	QX60	3.5L	V6	N/A
2019	Nissan	Altima			N/A
2019	Nissan	GT-R			N/A
2019	Nissan	Kicks			N/A
2019	Nissan	Maxima			N/A
2019	Nissan	Murano			N/A
2019	Nissan	Pathfinder			N/A
2019	Nissan	Rogue			N/A
2019	Nissan	Versa			N/A
2018	INFINITI	Q50			N/A
2018	INFINITI	QX60	3.5L	V6	N/A
2018	Nissan	Altima			N/A
2018	Nissan	GT-R			N/A
2018	Nissan	Kicks			N/A
2018	Nissan	Maxima			N/A
2018	Nissan	Murano			N/A
2018	Nissan	Pathfinder			N/A
2018	Nissan	Rogue			N/A
2018	Nissan	Versa			N/A
2017	INFINITI	Q50			N/A
2017	INFINITI	QX60			N/A
2017	Nissan	Altima			N/A
2017	Nissan	GT-R			N/A
2017	Nissan	Maxima			N/A
2017	Nissan	Murano			N/A
2017	Nissan	Pathfinder			N/A
2017	Nissan	Rogue			N/A
2017	Nissan	Versa			N/A
2016	INFINITI	Q50			N/A
2016	INFINITI	QX60			N/A
2016	Nissan	Altima			N/A
2016	Nissan	GT-R			N/A
2016	Nissan	Maxima			N/A
2016	Nissan	Murano			N/A
2016	Nissan	Pathfinder			N/A
2016	Nissan	Rogue			N/A
2016	Nissan	Versa			N/A
2015	INFINITI	Q40			N/A
2015	INFINITI	Q50			N/A
2015	INFINITI	QX60			N/A
2015	Nissan	Altima			N/A
2015	Nissan	GT-R			N/A
2015	Nissan	Murano			N/A
2015	Nissan	Pathfinder			N/A
2015	Nissan	Versa			N/A
2014	INFINITI	Q50			N/A
2014	INFINITI	QX60			N/A
2014	Nissan	Altima			N/A
2014	Nissan	GT-R			N/A
2014	Nissan	Maxima			N/A
2014	Nissan	Murano			N/A
2014	Nissan	Pathfinder			N/A
2014	Nissan	Versa			N/A
2013	INFINITI	JX35			N/A
2013	Nissan	Altima			N/A
2013	Nissan	GT-R			N/A
2013	Nissan	Maxima			N/A
2013	Nissan	Murano			N/A
2013	Nissan	Pathfinder			N/A
2012	Nissan	Altima			N/A
2012	Nissan	GT-R			N/A
2012	Nissan	Maxima			N/A
2012	Nissan	Murano			N/A
2011	Nissan	Altima			N/A
2011	Nissan	GT-R			N/A
2011	Nissan	Maxima			N/A
2011	Nissan	Murano			N/A
2010	INFINITI	M35			N/A
2010	INFINITI	M45			N/A
2010	Nissan	Altima			N/A
2010	Nissan	GT-R			N/A
2010	Nissan	Maxima			N/A
2010	Nissan	Murano			N/A
2009	INFINITI	M35			N/A
2009	INFINITI	M45			N/A
2009	Nissan	350Z			N/A
2009	Nissan	Altima			N/A
2009	Nissan	GT-R			N/A
2009	Nissan	Maxima			N/A
2009	Nissan	Murano			N/A
2009	Nissan	Quest			N/A
2008	INFINITI	FX35			N/A
2008	INFINITI	FX45			N/A
2008	INFINITI	M35			N/A
2008	INFINITI	M45			N/A
2008	Nissan	350Z			N/A
2008	Nissan	Altima			N/A
2008	Nissan	Quest			N/A
2007	INFINITI	FX35			N/A
2007	INFINITI	FX45			N/A
2007	INFINITI	M35			N/A
2007	INFINITI	M45			N/A
2007	Nissan	350Z			N/A
2007	Nissan	Altima			N/A
2007	Nissan	Quest			N/A
2006	INFINITI	FX35			N/A
2006	INFINITI	FX45			N/A
2006	INFINITI	M35			N/A
2006	INFINITI	M45			N/A
2006	Nissan	350Z			N/A
2006	Nissan	Quest			N/A
2005	INFINITI	FX35			N/A
2005	INFINITI	FX45			N/A
2005	Nissan	350Z			N/A
2005	Nissan	Maxima	3.5L	V6	N/A	To 11/04
2005	Nissan	Quest			N/A
2004	INFINITI	FX35			N/A
2004	INFINITI	FX45			N/A
2004	Nissan	350Z			N/A
2004	Nissan	Maxima			N/A
2004	Nissan	Quest			N/A
2003	INFINITI	FX35			N/A
2003	INFINITI	FX45			N/A
2003	INFINITI	G35			N/A	To 8/02
2003	Nissan	350Z			N/A
2003	Nissan	Maxima			N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

17-134227722AL5005S611472-475976024ATSA18TS5712WT5512

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.