1998 Mercury Mountaineer Air Flow Sensors

Keep Your 1998 Mercury Mountaineer in Top Shape with Quality Air Flow Sensors

Whether you’re repairing or upgrading your Air Flow Sensor, using high-quality parts is key to keeping your 1998 Mercury Mountaineer looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Mass Air Flow Sensor Connectors, Ambient Air Temperature Sensors, and Air Charge Temperature Sensors. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1998 Mercury Mountaineer Air Flow Sensor at Advance Auto Parts is around $31.96, with a range that starts at $13.99 and goes up to $69.99. With 8 options in stock from 4 trusted brands, finding the right fit is easy. Popular picks like Ambient Air Temperature Sensor, Air Charge Temperature Sensor, and Multi-Use Connector start at just $13.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Air Flow Sensor, don’t forget to check out other key components like Gas Caps and Oxygen Sensors. At Advance Auto Parts, we’re here to help you keep your 1998 Mercury Mountaineer in peak condition, inside and out.

Essential 1998 Mercury Mountaineer Air Flow Sensors

Carquest Premium – Multi-Use Connector (Part No.PTA1213)

Multi-Use Connector

from

$36.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1146)

Multi-Use Connector

from

$25.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Multi-Use Connector (Part No.PTA2925)

Multi-Use Connector

from

$44.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • WVE electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
See More

Carquest Premium – Multi-Use Connector (Part No.ABA3461)

Multi-Use Connector

from

$13.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Motorcraft – Wire Assembly (Part No.WPT-322)

Wire Assembly

from

$69.99
Wire Assembly

NTK – Ambient Air Temperature Sensor (Part No.EF0103)

Ambient Air Temperature Sensor

from

$29.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clips included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
See More

Motorcraft – Original Equipment (O.E.) Sensor Assembly (Part No.DY-1137)

Original Equipment (O.E.) Sensor Assembly

from

$65.99
The only parts recommended by Ford Motor Company for Ford, Lincoln and Mercury vehicles.

Product Features:
  • Motorcraft and Ford Parts are used throughout Ford vehicles in a variety of applications that help ensure the proper build quality, integrity and long-lasting performance of every Ford car or truck.
  • Motorcraft and Ford Parts are manufactured from first-quality materials – chosen specifically for maximum performance and application suitability.
  • As with all Motorcraft and Ford Parts, any innovations or improvements developed since the vehicle’s manufacture are included in these after market replacement parts, ensuring the most current technology and performance.
See More

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1241)

Ambient Air Temperature Sensor

from

$30.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
See More

Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1064)

Air Charge Temperature Sensor

from

$29.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

NTK – Air Charge Temperature Sensor (Part No.AJ0023)

Air Charge Temperature Sensor

from

$33.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • The Air Charge Temperature Sensor is used by the Engine Control Unit (ECU) to measure air density for fuel mixture control, which allows it to make continuous adjustments to the engine’s air or fuel mixture for maximum fuel efficiency.
  • NTK’s Air Charge Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper monitoring of air temperature entering the engine.
See More

ACDelco – Multi-Purpose Pigtail (Part No.PT2164)

Multi-Purpose Pigtail

from

$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, andor engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Most Popular Mass Air Flow Sensor Connectors for 1998 Mercury Mountaineers

Enhance your 1998 Mercury Mountaineer with one of the 3 Mass Air Flow Sensor Connectors we have in stock, starting at just $13.99.

Carquest Premium – Multi-Use Connector (Part No.ABA3461)

Multi-Use Connector

from

$13.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1146)

Multi-Use Connector

from

$25.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Motorcraft – Wire Assembly (Part No.WPT-322)

Wire Assembly

from

$69.99
Wire Assembly

Best-Selling 1998 Mercury Mountaineer Ambient Air Temperature Sensors

Upgrade your Mountaineer with one of our 2 best-selling Ambient Air Temperature Sensors.

NTK – Ambient Air Temperature Sensor (Part No.EF0103)

Ambient Air Temperature Sensor

from

$29.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clips included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
See More

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1241)

Ambient Air Temperature Sensor

from

$30.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
See More

Top-Quality Air Charge Temperature Sensors for 1998 Mercury Mountaineers

Choose a high-quality OEM or aftermarket Air Charge Temperature Sensor for Mercury Mountaineers and enjoy top-notch performance from $29.99.

NTK – Air Charge Temperature Sensor (Part No.AJ0023)

Air Charge Temperature Sensor

from

$33.99
Building upon a foundation of premium full-line products established under NGK ignition and oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. is the only OE supplier with a full line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • The Air Charge Temperature Sensor is used by the Engine Control Unit (ECU) to measure air density for fuel mixture control, which allows it to make continuous adjustments to the engine’s air or fuel mixture for maximum fuel efficiency.
  • NTK’s Air Charge Temperature Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper monitoring of air temperature entering the engine.
See More

Carquest Premium – Air Charge Temperature Sensor (Part No.WTA1064)

Air Charge Temperature Sensor

from

$29.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Our Top Pick for a 1998 Mercury Mountaineer Ambient Air Temperature Sensor Connector

Invest in a durable Ambient Air Temperature Sensor Connector for your 1998 Mercury, knowing you’re getting trusted brands and expert craftsmanship.

ACDelco – Multi-Purpose Pigtail (Part No.PT2164)

Multi-Purpose Pigtail

from

$16.79
ACDelco Professional Air Charge Temperature Sensor Connector is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, starting and charging, body-electrical and lighting, andor engine fuel management. This premium aftermarket connector is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

FAQs for 1998 Mercury Mountaineer Air Flow Sensors

What are the best-selling Air Flow Sensors for 1998 Mercury Mountaineers?

Out of 8 Air Flow Sensors that fit 1998 Mercury Mountaineers, the following parts are the top sellers:

What’s the price range for 1998 Mercury Mountaineer Air Flow Sensors?

The prices of Air Flow Sensors for the 1998 Mercury Mountaineer range from $13.99 up to $69.99 for the most premium parts.

What is the average price of an Air Flow Sensor for a 1998 Mercury Mountaineer?

The average price for Air Flow Sensors for the 1998 Mercury Mountaineer is $31.96. Keep in mind the variety of part types within our Air Flow Sensor category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Air Flow Sensors for other Mercury Mountaineer model years?

Yes, we carry Air Flow Sensors for 12 model years of Mercury Mountaineers between 1997 and 2010. The following model years are the most popular for Air Flow Sensor purchases: 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, and 2002.

What are the cheapest Air Flow Sensors for my 1998 Mercury Mountaineer?

The cheapest 1998 Mercury Mountaineer Air Flow Sensors we carry are:

Does Advance Auto Parts sell Air Flow Sensors for any other 1998 Mercury models?

Yes. We stock Air Flow Sensors for 4 other popular 1998 Mercury models. Some of the most popular are 1998 Grand Marquis Air Flow Sensors, 1998 Villager Air Flow Sensors, 1998 Sable Air Flow Sensors, 1998 Tracer Air Flow Sensors, and 1998 Mystique Air Flow Sensors.

What types of Air Flow Sensors do you sell for my 1998 Mercury Mountaineer?

As of 11/2/25, these are some of the most in-demand types of Air Flow Sensors for a 1998 Mercury Mountaineer:

Can I get help with 1998 Mercury Mountaineer Air Flow Sensor orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Air Flow Sensors and more.

What is your return policy for Mercury Mountaineer Air Flow Sensors?

Advance Auto Parts keeps returns simple. For new Mercury Mountaineer Air Flow Sensors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.