2020 Subaru Forester Oxygen Sensors

Keep Your 2020 Subaru Forester in Top Shape with a Quality Oxygen Sensor

When it comes to maintaining or upgrading your 2020 Subaru Forester, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Oxygen Sensor for your Forester. We currently carry a top Oxygen Sensor in stock that is built to last. Whether you’re replacing a damaged Oxygen Sensor or looking to upgrade, our selection for the 2020 Subaru Forester ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.

A Reliable Oxygen Sensor from a Trusted Brand

When it comes to trusted Oxygen Sensor brands, we’ve got you covered. Our inventory features an Oxygen Sensor from NTK, a brand you can count on. This Oxygen Sensor starts at just $131.99 and has a rating of 5 stars from over 1 customer review. After you purchase your 2020 Subaru Forester Oxygen Sensor you can scroll below to see options other Subaru Forester owners are loving. Even with only one Oxygen Sensor in stock, you can be confident you’re getting the best option available and designed to fit your Forester perfectly, offering both functionality and style.

Explore Related Parts

And while you’re here, don’t forget to check out related part categories like Fuel Pumps and Gas Caps to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2020 Subaru Forester running smoothly and looking great.

Essential 2020 Subaru Forester Oxygen Sensors

DENSO – Oxygen Sensor: Downstream, 4 Wire, 21.26" Long, Heated, Exact Fit (Part No.234-4732)

Oxygen Sensor: Downstream, 4 Wire, 21.26" Long, Heated, Exact Fit

from

$103.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

Bosch – Oxygen Sensor: 4 Wire, 23.43" Long, Heated, Exact Fit (Part No.15025)

Oxygen Sensor: 4 Wire, 23.43" Long, Heated, Exact Fit

from

$92.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
See More

NTK – Switching Oxygen Sensor: 4 Wire, 27.5" Long, Heated, Direct Fit (Part No.24642)

Switching Oxygen Sensor: 4 Wire, 27.5" Long, Heated, Direct Fit

from

$115.99
NGK 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. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, uses state-of-the art technology enabling control of the ceramic element used in our 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: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
See More

NTK – Switching Oxygen Sensor: 4 Wire, 9.5" Long, Heated, Direct Fit (Part No.24478)

Switching Oxygen Sensor: 4 Wire, 9.5" Long, Heated, Direct Fit

from

$125.99
NGK is the sensor specialist for import and domestic applications. Established under the NGK product family, oxygen sensors are part of our ongoing commitment to streamlining product types and increasing coverage. A ceramic company at our core, uses cutting-edge technology to control the ceramic used in our oxygen sensors from raw material to finished product. is the world’s largest supplier and manufacturer of OE oxygen sensors. Combining expertise and innovation, oxygen sensors deliver superior fit, form, and function. oxygen sensors undergo extensive testing during manufacturing to ensure quality and reliability that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for comprehensive market support and OE application technology.

Product Features:
  • OEM QUALITY: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
See More

Bosch – Oxygen Sensor: 3 Wire, 24.02" Long, Heated, Universal (Part No.15726)

Oxygen Sensor: 3 Wire, 24.02" Long, Heated, Universal

from

$79.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
See More

Bosch – Wideband Oxygen Sensor: 5 Wire, 16.93" Long, Heated, Exact Fit (Part No.17018)

Wideband Oxygen Sensor: 5 Wire, 16.93" Long, Heated, Exact Fit

from

$99.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Advanced Wideband sensing element for exact air/fuel measurement
  • Robust sensor design increases sensor longevity
  • Seared protection tube due to 100% functional quality test
  • True Direct-fit
  • Pre-coated threads with anti-seize compound right out of the box
See More

DENSO – Oxygen Sensor: Downstream, 4 Wire, 9.53" Long, Heated, Exact Fit (Part No.234-4988)

Oxygen Sensor: Downstream, 4 Wire, 9.53" Long, Heated, Exact Fit

from

$157.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

Bosch – Oxygen Sensor: 4 Wire, 17.52" Long, Heated, Exact Fit (Part No.15028)

Oxygen Sensor: 4 Wire, 17.52" Long, Heated, Exact Fit

from

$76.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
See More

Bosch – Wideband Oxygen Sensor: 4 Wire, 9.45" Long, Heated, Exact Fit (Part No.18080)

Wideband Oxygen Sensor: 4 Wire, 9.45" Long, Heated, Exact Fit

from

$211.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Advanced Wideband sensing element for exact air/fuel measurement
  • Robust sensor design increases sensor longevity
  • Seared protection tube due to 100% functional quality test
  • True Direct-fit
  • Pre-coated threads with anti-seize compound right out of the box
See More

DENSO – Oxygen Sensor: Downstream, 4 Wire, 7.48" Long, Heated, Exact Fit (Part No.234-4513)

Oxygen Sensor: Downstream, 4 Wire, 7.48" Long, Heated, Exact Fit

from

$144.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

DENSO – Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-4700)

Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit

from

$80.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

Bosch – Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal (Part No.15730)

Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal

from

$89.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
See More

Bosch – Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal (Part No.15741)

Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal

from

$72.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
See More

DENSO – Oxygen Sensor: Downstream, 4 Wire, 14.88" Long, Heated, Exact Fit (Part No.234-4195)

Oxygen Sensor: Downstream, 4 Wire, 14.88" Long, Heated, Exact Fit

from

$148.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

Bosch – Oxygen Sensor: 4 Wire, 17.72" Long, Heated, Exact Fit (Part No.13250)

Oxygen Sensor: 4 Wire, 17.72" Long, Heated, Exact Fit

from

$46.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
See More

Bosch – Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal Fit (Part No.15732)

Oxygen Sensor: 4 Wire, 24.02" Long, Heated, Universal Fit

from

$87.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Includes Smart Link Connector, no soldering required
  • No special tools required for installation
  • Seared protection tube due to 100% functional quality test
  • Performance meets or exceeds OE specifications
See More

Bosch – Oxygen Sensor: 3 Wire, 14.96" Long, Heated, Exact Fit (Part No.13702)

Oxygen Sensor: 3 Wire, 14.96" Long, Heated, Exact Fit

from

$68.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
See More

DENSO – Oxygen Sensor: 3 Wire, 17.83" Long, Heated, Exact Fit (Part No.234-3088)

Oxygen Sensor: 3 Wire, 17.83" Long, Heated, Exact Fit

from

$98.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

DENSO – Oxygen Sensor: 3 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-3090)

Oxygen Sensor: 3 Wire, 11.77" Long, Heated, Universal Fit

from

$82.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

Bosch – Oxygen Sensor: 4 Wire, 18.31" Long, Heated, Exact Fit (Part No.13469)

Oxygen Sensor: 4 Wire, 18.31" Long, Heated, Exact Fit

from

$79.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
See More

DENSO – Oxygen Sensor: Upstream, 3 Wire, 17.32" Long, Heated, Exact Fit (Part No.234-3091)

Oxygen Sensor: Upstream, 3 Wire, 17.32" Long, Heated, Exact Fit

from

$84.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

NTK – Switching Oxygen Sensor: 4 Wire, 15.75" Long, Heated, Direct Fit (Part No.24651)

Switching Oxygen Sensor: 4 Wire, 15.75" Long, Heated, Direct Fit

from

$131.99
NGK 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. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, uses state-of-the art technology enabling control of the ceramic element used in our 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: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
See More

Bosch – Oxygen Sensor: 4 Wire, 7.6" Long, Heated, Exact Fit (Part No.18075)

Oxygen Sensor: 4 Wire, 7.6" Long, Heated, Exact Fit

from

$142.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
See More

DENSO – Oxygen Sensor: Downstream, 4 Wire, 17.72" Long, Heated, Exact Fit (Part No.234-4706)

Oxygen Sensor: Downstream, 4 Wire, 17.72" Long, Heated, Exact Fit

from

$125.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

Bosch – Oxygen Sensor: 4 Wire, 20.87" Long, Heated, Exact Fit (Part No.15170)

Oxygen Sensor: 4 Wire, 20.87" Long, Heated, Exact Fit

from

$122.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
See More

Bosch – Wideband Oxygen Sensor: 4 Wire, 16.54" Long, Heated, Exact Fit (Part No.18081)

Wideband Oxygen Sensor: 4 Wire, 16.54" Long, Heated, Exact Fit

from

$256.99
Bosch is the world’s leading supplier and original equipment manufacturer of Oxygen Sensors. Bosch invented the automotive oxygen sensor and leads the way in sensor technology and innovation. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance.

Product Features:
  • Advanced Wideband sensing element for exact air/fuel measurement
  • Robust sensor design increases sensor longevity
  • Seared protection tube due to 100% functional quality test
  • True Direct-fit
  • Pre-coated threads with anti-seize compound right out of the box
See More

DENSO – Oxygen Sensor: Downstream, 4 Wire, 20.87" Long, Heated, Exact Fit (Part No.234-4445)

Oxygen Sensor: Downstream, 4 Wire, 20.87" Long, Heated, Exact Fit

from

$112.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled performance. Each component is precision built for exact replacement, and a first time fit. This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead poisoning for improved engine performance, greater fuel efficiency, and unparalleled longevity. DENSO gives you the right part and the right fit.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100 percent 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
See More

Most Popular Oxygen Sensor for 2020 Subaru Foresters

Enhance your 2020 Subaru Forester with this popular Oxygen Sensor we have in stock, for $131.99.

NTK – Switching Oxygen Sensor: 4 Wire, 15.75" Long, Heated, Direct Fit (Part No.24651)

Switching Oxygen Sensor: 4 Wire, 15.75" Long, Heated, Direct Fit

from

$131.99
NGK 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. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, uses state-of-the art technology enabling control of the ceramic element used in our 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: 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, Oxygen Sensors offer superior OE fit, form, function
  • OE TECHNOLOGY: Upgraded to the latest OE technologies, 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: 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
  • ADVANTAGE: Superior dual-coated platinum interface and thinner ceramic element produces fastest light off and response times with best durability
See More

Top-Rated Oxygen Sensor Brands For Your 2020 Subaru Forester

When it comes to finding the perfect Oxygen Sensor for your 2020 Subaru Forester, Advance Auto Parts has you covered with our Oxygen Sensor from NTK. This popular brand is known for its exceptional customer ratings and competitive prices, under $131.99. Purchasing a Oxygen Sensor from us here at Advance Auto Parts is a smart move for both you and your 2020 Subaru Forester, providing peace of mind with parts that meet or exceed OEM standards.

A Reliable NTK Oxygen Sensor For Your 2020 Subaru Forester

If you’re looking for a top-quality Oxygen Sensor for your 2020 Subaru Forester, Advance Auto Parts has exactly what you need with our NTK Oxygen Sensors. This Oxygen Sensor has both durability and a precision fit. Coming in at only $131.99, this is the perfect Oxygen Sensor for your needs and budget. NTK Oxygen Sensors for the 2020 Subaru Forester come highly rated, with over 1 customer reviews. Choosing a NTK Oxygen Sensor from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Switching Oxygen Sensor: 4 Wire, 15.75" Long, Heated, Direct Fit
from $131.99
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Switching Oxygen Sensor: 4 Wire, 15.75" Long, Heated, Direct Fit
“Appears to work just fine. Installed myself on my 2012 Subaru Forester. Easy access from underneath the vehicle. 7/8″ wrench is all that is needed. Do”

FAQs for 2020 Subaru Forester Oxygen Sensors

What’s the price range for 2020 Subaru Forester Oxygen Sensors?

We currently have just one Oxygen Sensors for the 2020 Subaru Forester in stock: Switching Oxygen Sensor: 4 Wire, 15.75" Long, Heated, Direct Fit and it costs $131.99.

Does Advance Auto Parts sell Oxygen Sensors for other Subaru Forester model years?

Yes, we carry Oxygen Sensors for 21 model years of Subaru Foresters between 1998 and 2019. The following model years are the most popular for Oxygen Sensor purchases: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, and 2011.

Does Advance Auto Parts sell Oxygen Sensors for any other 2020 Subaru models?

Yes. We stock Oxygen Sensors for 6 other popular 2020 Subaru models. Some of the most popular are 2020 Legacy Oxygen Sensors, 2020 Outback Oxygen Sensors, 2020 Impreza Oxygen Sensors, 2020 WRX Oxygen Sensors, and 2020 Crosstrek Oxygen Sensors.

What are the top-rated Oxygen Sensors that fit the 2020 Subaru Forester?

The one 2020 Subaru Forester Oxygen Sensor we have in stock is the Switching Oxygen Sensor: 4 Wire, 15.75" Long, Heated, Direct Fit. It is rated 5 stars and costs $131.99.

What types of Oxygen Sensors do you sell for my 2020 Subaru Forester?

We currently have just 1 Oxygen Sensor in stock for a 2020 Subaru Forester, and as of 11/2/25, it is an Oxygen Sensor.

Can I get help with 2020 Subaru Forester Oxygen Sensor orders?

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

What is your return policy for Subaru Forester Oxygen Sensors?

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