2001 Subaru Legacy Air Flow Sensors

Essential 2001 Subaru Legacy Air Flow Sensors

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECE1501)

Manifold Absolute Pressure Sensor (MAP)

from

$363.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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DENSO – Manifold Absolute Pressure Sensor (Part No.198-0003)

Manifold Absolute Pressure Sensor

from

$329.99
DENSO’s MAP sensors offer leading edge sensing technology which helps controls fuel injection more precisely. They are compact lightweight and designed with fewer connections improving performance and reliability. DENSO’s MAP sensors have high detection accuracy which reduces emissions.

Product Features:
  • OE technology adapted for the aftermarket
  • Reduces emissions, increased performance
  • Delivers the highest reliability and detection accuracy
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DENSO – Manifold Absolute Pressure Sensor (Part No.198-0002)

Manifold Absolute Pressure Sensor

from

$356.99
DENSO’s MAP sensors offer leading edge sensing technology which helps controls fuel injection more precisely. They are compact lightweight and designed with fewer connections improving performance and reliability. DENSO’s MAP sensors have high detection accuracy which reduces emissions.

Product Features:
  • OE technology adapted for the aftermarket
  • Reduces emissions, increased performance
  • Delivers the highest reliability and detection accuracy
See More

Carquest Premium – Manifold Absolute Pressure Sensor (Part No.ECA2273)

Manifold Absolute Pressure Sensor

from

$259.99
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.
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Carquest Premium – Air Charge Temperature Sensor (Part No.ECA1144)

Air Charge Temperature Sensor

from

$76.99
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.
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1121)

Ambient Air Temperature Sensor

from

$43.99
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.
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Carquest Premium – Premium Ambient Air Temperature Sensor WTC2224 (Part No.WTC2224)

Premium Ambient Air Temperature Sensor WTC2224

from

$40.49
Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.

Product Features:
  • 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
  • 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.
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Walker – Walker Oxygen Sensor (Part No.C5010380753WKR)

Walker Oxygen Sensor

from

$143.93
Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet and exceed all original equipment specification and test requirements.

Product Features:
  • Improved Engine Response and Performance
  • Lower Emissions
  • Improved Fuel Economy
  • Longer Sensor Life
  • Meets OEM Specifications Installation Notes: Vehicles equipped with Air Fuel Ratio Sensors may look very similar to the Oxygen Sensor. Please confirm the correct part before ordering and if the connector does not match, do not install
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DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 19.88" Long, Heated, Exact Fit (Part No.234-9097)

Wideband Oxygen Sensor: Upstream, 4 Wire, 19.88" Long, Heated, Exact Fit

from

$196.99
DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance.; Each component is precision-built for exact replacement+ and a first time fit.; DENSO gives you the right part and the right fit+ the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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Bosch – Universal Oxygen Sensor (Part No.C501088828BOS)

Universal Oxygen Sensor

from

$69.38
The Bosch universal oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen sensors are subjected. Each element is incredibly strong for best-in-class performance and maximum service life. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • OE-Equivalent.
  • Direct fit for easy installation.
  • OE Style connectors and wire lengths.
  • Base ceramic probe of Zirconium and Yttrium.
  • Patented Platinum Power Grid.
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DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 10.63" Long, Heated, Exact Fit (Part No.234-9035)

Wideband Oxygen Sensor: Upstream, 4 Wire, 10.63" Long, Heated, Exact Fit

from

$195.99
DENSO Air/Fuel Ratio Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance.; Each component is precision-built for exact replacement+ and a first time fit.; DENSO gives you the right part and the right fit+ the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 31.5" Long, Heated, Direct Fit (Part No.24821)

Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 31.5" Long, Heated, Direct Fit

from

$195.99
NTK is the world’s largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle’s on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. While conventional switching oxygen sensors only switch rich or lean, wideband oxygen (or Air-Fuel Ratio) sensors produce a linear output signal that allows the ECU determine exactly how rich or lean an engine is running and make continuous and precise adjustments of the air-fuel mixture to stay closest to stoichiometric, providing the best possible combustion and fewest emissions. A ceramics company at our core, NTK uses state-of-the art technology enabling complete control of the ceramics used in our wideband oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:
  • OEM QUALITY: NTK is the world’s largest supplier of original equipment oxygen sensors with renowned quality that meets or exceeds OEM specifications
  • PRODUCT ENGINEERING: Based on OE expertise, but specifically engineered for the aftermarket, NTK Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, NTK Oxygen Sensors are designed to reduce OE failures, enhance durability and performance
  • EXTENSIVE TESTING: OE development includes vibration and thermal shock testing. Testing during manufacturing guarantees quality and reliability
  • EASY INSTALLATION: NTK Oxygen Sensors are equipped with OE specified, water-resistant connectors and harness accessory hardware for easy installation
  • ADVANCED CERAMIC SENSOR ELEMENT: 3-stage contaminant-resistant plasma jet and deposit trap overcoat protects against element poisoning
  • NTK ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
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Dorman – Air Mass Meter Intake Boot (Part No.B3132337945DOR)

Air Mass Meter Intake Boot

from

$46.95
Return your air intake system to proper functioning with Dorman’s Air Intake Hose. Constructed of high-quality rubber, the hose resists the drying and cracking that commonly cause check engine lights and drivability issues.

Product Features:
  • Direct replacement for a proper fit every time
  • Designed to accommodate all necessary PCV and emission fittings
  • Hose slides on easily for trouble-free installation
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
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DENSO – Manifold Absolute Pressure Sensor (Part No.198-0004)

Manifold Absolute Pressure Sensor

from

$297.99
DENSO’s MAP sensors offer leading edge sensing technology which helps controls fuel injection more precisely. They are compact lightweight and designed with fewer connections improving performance and reliability. DENSO’s MAP sensors have high detection accuracy which reduces emissions.

Product Features:
  • OE technology adapted for the aftermarket
  • Reduces emissions, increased performance
  • Delivers the highest reliability and detection accuracy
See More

Carquest Premium – Manifold Absolute Pressure Sensor (Part No.ECA1961)

Manifold Absolute Pressure Sensor

from

$297.99
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

DENSO – Manifold Absolute Pressure Sensor (Part No.198-0005)

Manifold Absolute Pressure Sensor

from

$293.99
DENSO’s MAP sensors offer leading edge sensing technology which helps controls fuel injection more precisely. They are compact lightweight and designed with fewer connections improving performance and reliability. DENSO’s MAP sensors have high detection accuracy which reduces emissions.

Product Features:
  • OE technology adapted for the aftermarket
  • Reduces emissions, increased performance
  • Delivers the highest reliability and detection accuracy
See More

Bosch – Pressure Sensor (Part No.0261230013)

Pressure Sensor

from

$76.99
Bosch OE quality pressure sensors for accurate measurements with high durability, fast response time and wide measuring range

Product Features:
  • Bosch OE quality pressure sensors for accurate measurements
  • Bosch OE quality pressure sensors for long term stability
  • Bosch OE quality pressure sensors with a short response time
  • Bosch OE quality pressure sensors with improved media resistance
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1226)

Manifold Absolute Pressure Sensor (MAP)

from

$162.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
See More

Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECA2431)

Manifold Absolute Pressure Sensor (MAP)

from

$263.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
See More

Bosch – Bosch MAP Sensor (Part No.C7044381694BOS)

Bosch MAP Sensor

from

$124.06
Bosch Manifold Absolute Pressure (MAP) Sensors provide accurate air pressure measurement to very fine tolerances for efficient engine performance.

Product Features:
  • Extremely sturdy design with a special coating for resistance of harmful chemicals inside the intake manifold.
  • Bosch continually improves its MAP sensor designs with the latest chip technology.
  • Designed to meet or exceed your vehicle’s original equipment specifications (performance, driveability, economy, emissions)
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FAE – Intake Air Temperature Sensor (Part No.C6000271665FAE)

Intake Air Temperature Sensor

from

$33.99
The FAE Intake Air Temperature Sensor is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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2001 Subaru Legacy Air Flow Sensors

Maybe you’re in the middle of a full rebuild of that 2001 Subaru Legacy. Maybe you just need a couple of Air Flow Sensors. Either way, Advance Auto Parts has 15 different Air Flow Sensors in our inventory ranging from $33.99 to $359.99. That means you can find the exact parts or products you need to keep that 2001 Subaru Legacy running smoothly.

Air Flow Sensors are only as good as their brand. We stock 7 different brands to make sure you have plenty of trusted parts to choose from for your 2001 Subaru Legacy. DENSO, Carquest Premium, and Bosch are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Air Flow Sensors for your 2001 Subaru Legacy, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Air Flow Sensors to keep your 2001 Subaru Legacy rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Air Flow Sensors Brands To Make Your 2001 Subaru Legacy Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2001 Subaru Legacy demands trusted brand parts and products to keep it running. Many trusted brands of Air Flow Sensors make up Advance Auto Parts’ inventory, and all are ready to help make your Legacy the best it can be. Be sure to browse some of our top Air Flow Sensors brands and parts.

FAQs for 2001 Subaru Legacy Air Flow Sensors

What are the most purchased Air Flow Sensors for the 2001 Subaru Legacy?

Out of 15 Air Flow Sensors for the 2001 Subaru Legacy, the most popular in our inventory are:
Intake Air Temperature Sensor
from $33.99
(1)
Intake Air Temperature Sensor
Air Charge Temperature Sensors
Bosch MAP Sensor
from $124.06
This product is not rated
Bosch MAP Sensor
Air Charge Temperature Sensors
Manifold Absolute Pressure Sensor (MAP)
from $162.99
This product is not rated
Manifold Absolute Pressure Sensor (MAP)
Manifold Air Pressure Sensors