2021 Subaru WRX Fuel and Emissions Systems
More 2021 Subaru WRX Fuel and Emissions Systems Categories
If you’re looking for an original Fuel and Emissions Systems replacement for a 2021 Subaru WRX, you can search through our selection below. You’ll also find aftermarket and OEM Fuel and Emissions Systems to meet your needs.
Essential 2021 Subaru WRX Fuel and Emissions Systems
DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 11.10" Long, Heated, Exact Fit (Part No.234-5178)
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$209.99
DENSO Air/Fuel Ratio 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. DENSO gives you the right part and the right fit the first t
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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
DENSO – Air Fuel Ratio Senso (Part No.C5015690036ND)
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$213.03
DENSO a global supplier to automakers manufactures an OE-equivalent direct fit air fuel ratio sensor that maintains the quality and performance of the Original Equipment it replaces. DENSO continues to innovate with the latest development in air fuel ratio sensors. These components, also known as wide-band oxygen sensors, have a broader response range to provide much finer control of air/fuel mixtures over a greater variety of operating conditions.
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- Tarnish-proof platinum electrodes provides longer life and maintains accuracy
- Quick-response planar zirconia element can quickly detect oxygen concentration
- Measures A/F ratios from approximately 12:1 to 19:1
- Increased performance by mapping a/f ratios throughout rpm range
- Reduces emissions by keeping the air-fuel mixture at an optimum ratio
NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 11" Long, Heated, Direct Fit (Part No.27004)
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$159.99
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.
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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
Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1299)
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$51.99
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 – Keyed Alike Locking Fuel Cap (Part No.17591)
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$11.99
None
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- Protects your fuel from theft and vandalism
- Manufactured from durable, long-life materials
- Independently tested for emission control
- Passes all state and federal emissions tests
- Reduces air pollution with proper sealing and venting
Carquest Premium – Fuel Cap: 10834, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10834)
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$15.49
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
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Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)
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$15.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
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Product Features:
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10501)
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$24.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.
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Product Features:
- Protects your fuel from theft and vandalism
- Passes all state and federal emissions tests
- Manufactured from durable, long-life materials
- Reduces air pollution with proper sealing and venting
- Independently tested for emission control
Carquest Premium – Fuel Cap Tester Adapter (Part No.12427)
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$34.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
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- BAR Certified adapters
- Adapter check’s a fuel cap’s ability to hold pressure.
- Adapters meet EPA standards for recommended fleet coverage.
- Check adapter application chart for specific makes and models
Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)
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$15.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.
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Product Features:
- BAR Certified adapters
- Adapter check’s a fuel cap’s ability to hold pressure.
- Adapters meet EPA standards for recommended fleet coverage.
- Check adapter application chart for specific makes and models
DENSO – Oxygen Sensor (Part No.C5010690592ND)
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$148.37
Denso First Time Fit oxygen sensors are constructed of the highest quality materials available. High-quality stainless steel, porous polytetrafluoroethylene (PTFE), fluorine rubber, aluminum oxide, high-grade platinum and ceramics are used in each DENSO sensor.
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Product Features:
- SUPERIOR DESIGN – Maximizes engine performance and fuel efficiency while reducing harmful emissions.
- DOUBLE-PROTECTION COVER – Maintains proper unit temperature for quicker response times and protects the ceramic element against silicone and lead poisoning.
- ALUMINUM-OXIDE TRAP LAYER – Keeps silicone and lead outside the ceramic element through DENSO’s exclusive design, preventing damage to the platinum electrode.
- STAINLESS STEEL HOUSING – Resists corrosion and contamination with a rugged, watertight body.
NTK – Switching Oxygen Sensor: 4 Wire, 9.5" Long, Heated, Direct Fit (Part No.24478)
from
$112.99
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. 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, NTK 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:
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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
DENSO – Oxygen Sensor: Downstream, 4 Wire, 9.53" Long, Heated, Exact Fit (Part No.234-4988)
from
$142.99
DENSO Oxygen 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; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.
Product Features:
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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
Bosch – Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal (Part No.15741)
from
$61.99
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 advancements. From overall sensor design to the critical ceramic element, Bosch is known worldwide for quality and performance. Bosch oxygen sensors deliver exceptional OE level reliability, performance and durability, further improving service life of the product.
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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
Hitachi – Air Flow Sensor – New Actual OE Part (Part No.MAF0124)
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$209.99
Hitachis Air Flow Sensors (MAFs) measure the amount and characteristics of air entering the engine. Hitachi uses precision elements and high-quality components for enhanced durability and accurate air flow measurements. Hitachi MAFs are 100% air flow tested for ideal performance and are calibrated for each application ensuring your vehicle meets the strict emission standards set by the manufacturer. Details such as a contaminant bypass port (when applicable) and protected circuitry providing a durable and reliable product approved by OE manufacturers makes Hitachis air flow sensors the premium choice.
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Product Features:
- Hitachi is a Tier 1 OE supplier for air flow sensors
- 100% NEW, never remanufactured
- Hitachi’s advanced precision elements and high quality components provide enhanced durability. We feature exact fitment and calibration for each vehicle, which assists engine efficiency and fuel mileage. Our sensors are 100% air flow tested to meet exac
- Precision manufactured and assembled sensing elements for accurate air flow measurements
Hitachi – Air Mass Meter (Part No.B3130468795HIT)
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$257.61
Hitachi manufactures a direct fit Air Mass Meter that guarantees OEM quality, fit and performance.
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Product Features:
- OEM Quality Direct fit Application
- Platinum coated sensing element
- Meets or exceeds OEM specifications
- Utilizes the factory style mounts, connectors and fittings
- Provides exceptional reliability
Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.72963)
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$5.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Validated for fit, form and function
- Unsurpassed quality you can trust
Delphi – Fuel Tank Cleaning Kit (Part No.FC01)
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$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye
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Product Features:
- Helps avoid premature fuel pump failure
- Lint free towel included
- Low suds formulation
- Removes harmful contaminants from the fuel tank
Popular 2021 Subaru WRX Fuel and Emissions Systems Categories
2021 Subaru WRX Fuel and Emissions Systems
You count on your 2021 Subaru WRX to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 22 Fuel and Emissions Systems ranging in price from $5.49 to $257.61, you’re sure to find everything you need for your 2021 Subaru WRX.
Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 6 different brands like Carquest Premium, Bosch, and Delphi. 2021 Subaru WRX Fuel and Emissions Systems start as low as $5.49!
One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 1,017 extensive product reviews on 2021 Subaru WRX Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Locking Fuel Cap with 1.0 stars.
Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 2021 Subaru WRX below to get started!
Top-Rated Fuel and Emissions Systems Brands For Your 2021 Subaru WRX
Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2021 Subaru WRX running right for years to come. In our inventory you’ll find brands like Carquest Premium, Bosch, Delphi, and even more.
Popular Carquest Premium Fuel and Emissions Systems
You’ll find popular Carquest Premium brand products across Gas Caps. All are waiting to get your 2021 Subaru WRX back on the road. Some of the top-rated Carquest Premium products in these categories are:
Top-Rated Carquest Premium Fuel and Emissions Systems
If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 2021 Subaru WRX, and some of our most reviewed Carquest Premium parts include:
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$21.79
(50)
Locking Fuel Cap: 10504, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
Gas Caps
FAQs for 2021 Subaru WRX Fuel and Emissions Systems
What are the most purchased Fuel and Emissions Systems for the 2021 Subaru WRX?
Out of 22 Fuel and Emissions Systems for the 2021 Subaru WRX, the most popular in our inventory are:
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$61.99
This product is not rated
Oxygen Sensor: 4 Wire, 25.87" Long, Heated, Universal
Oxygen Sensors
What are the top-rated 2021 Subaru WRX Fuel and Emissions Systems?
Top-rated Fuel and Emissions Systems for your 2021 Subaru WRX based on customer reviews/ratings are:
