2012 Toyota Sienna Fuel and Emissions Systems

Name: Fuel Tank Cleaning Kit
Brand: Delphi
SKU: FC01
Price: 12.49 USD

Below you will find various in-demand Toyota Fuel and Emissions Systems, components and accessories for your 2012 Sienna. Advance Auto Parts has popular Sienna parts like Fuel Injectors, Air Flow Sensors, Oxygen Sensors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other Sienna model years including 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 and more. Select a category of 2012 Toyota Sienna Fuel and Emissions Systems below and start saving instantly.

Popular 2012 Toyota Sienna Fuel and Emissions Systems Categories

Air- Fuel Ratio Sensors

Fuel Tank Cleaning Kits

Air Flow Meters and Mass Air

Gas Caps

Fuel Pumps

Oxygen Sensors

Fuel Vapor Leak Detection Pumps

Canister Purge Solenoids

Fuel Injectors

Vapor Canisters

Ambient Air Temperature Sensor Connectors

Pressure Regulators

Fuel Injector O-Ring Kits

Fuel Injector Seal Kits

Fuel Injector Gaskets

Secondary Air Injection Relays

Fuel Injection Relays

Fuel Injector O-rings

Fuel Injection Nozzle O-Ring Kits

Fuel Cap Tester Adapters

Essential Fuel and Emissions Systems for 2012 Toyota Siennas

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$12.49

When replacing a fuel pump or module, it’s extremely important to clean the tank. Existing dirt, debris, and contamination stuck in the fuel tank can clog the brand-new strainer. Delphi’s Fuel Tank Cleaning Kit (FC01) and Tool (FC02) can help clean your fuel tank in less than five minutes. The FC01 includes a low-suds solution, cloth, and gloves that works together with the FC02 to help clean those hard to reach places without having to remove the fuel tank. Visit our Resource Center for helpful tips and tricks on fuel pumps, technologies, and more: https://www.delphiautoparts.com/usa/en-US/resource-center.

Product Features:

Helps avoid premature fuel pump failure
Lint free towel included
Low suds formulation
Removes harmful contaminants from the fuel tank

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$137.99

WVE is a leading source of advanced vehicle electronics components for replacement applications in the automotive aftermarket and original equipment applications. WVE offers high-technology manufacturing along with innovative solutions and improvements to

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$432.99

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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$259.99

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$217.99

As the innovator and leader in fuel supply technology, DENSO has conducted superior testing and inspection processes to insure the highest quality fuel supply product. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.

Product Features:

First Time Fit
Built to DENSO Original Equipment Standards

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$9.99

INJECTOR SEAL KIT

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$16.99

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

High-quality products that meet OE appearance and performance to

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$64.99

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.

Product Features:

Premium quality materials for longer service life
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

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$187.99

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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$101.99

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:

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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$53.99

CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:

Each unit is 100% tested to OE specifications
Includes new O-rings and seals made of premium OE quality materials
Includes application specific technical bulletin, where applicable

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$58.99

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$21.99

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.

Product Features:

Come pre-assembled for quick and easy installation.
Several fastener options to work with any fuel cap compartment configuration
Fits vehicles orginally equipped with tether
Reduces air pollution with proper sealing and venting
Manufactured from durable, long-life materials

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$15.49

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

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$3.52

Ishino Stone is an industry leading gasket manufacturer, providing you original equipment design and quality and world class aftermarket service.

Product Features:

Original equipment design and quality
Utilizes OE equivalent or better materials
Meets or exceeds OEM specifications

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$12.49

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered and manufactured specifically for the repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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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.

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

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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.

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

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$69.99

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$59.99

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$7.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$61.99

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

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$7.49

MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
MAHLE gaskets is the leader in Domestic, Asian and European applications
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$29.59

Fuel Injector O-Ring

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$2.16

Fuel Injector O Ring

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$222.17

Denso manufactures an air mass sensor that is engineered to exact OEM specifications for quality, fit and performance. The Denso Air Mass Sensor provides exceptional reliability by incorporating a platinum coated sensing element with a glass film to protect the sensor from contaminants. Denso prevents errors caused by air pulsations produced in the intake air pipe by integrating the control circuit within the top of the air flow sensor so that only the small bypass passage structure with the sensing element is inserted into the intake air pipe, resulting in higher detection accuracy and performance.

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

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$97.99

Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium mass air flow sensors meet or exceed the performance of the original equipment they replace.

Product Features:

Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE engine management systems design expertise
Platinum connector threads reduce the number of connection points for faster reaction to change
Ceramic-built printed circuit boards are protected by silica gel, providing superior resistance to temperature changes and vehicle vibrations
Ceramic board provides reliable voltage to eliminate engine rough-idle problems
Each new sensor is road tested to ensure real world performance and to verify that each design meets our high standards for quality
Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed

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$404.99

100% new; Delphi OE Technology Validated to match the vehicle applications; Manufactured to meet or exceed OE requirements.

Product Features:

Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
All parts are calibrated and tested to match the OE part
Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube
Delphi OE technology validated to match the vehicle applications

Upgrade your 2012 Toyota Sienna with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2012 Toyota Sienna, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Toyota or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Sienna functioning at its best. At Advance Auto Parts, we offer a wide selection of 58 Fuel and Emissions Systems for the 2012 Toyota Sienna, designed to meet your needs without breaking the bank. From Fuel Injector replacements to Air Flow Sensors upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.

Affordable Prices and Wide Selection

Shopping for Fuel and Emissions Systems for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Fuel and Emissions Systems for your 2012 Toyota Sienna at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $2.16 to $634.99, with an average price of $105.91. Our 58 Fuel and Emissions Systems in stock come from 13 trusted brands, so you’re sure to find the right part for your 2012 Toyota Sienna without overspending.

Top Brands and High Customer Satisfaction

Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2012 Toyota Sienna, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names like Bosch Carquest Premium, and more. Bosch Fuel and Emissions Systems start at just $75.99 and boast an impressive 5 stars average rating from customers. With 3,581 customer reviews and counting, our 2012 Toyota Sienna Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.

Explore Related Parts and More

While you’re here, don’t forget to check out other essential categories that go hand in hand with Fuel and Emissions System upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants and more to make sure your 2012 Toyota Sienna is always ready to roll. We’re committed to providing you with everything you need to keep your Sienna in top shape, all in one place. Start shopping confidently below for your 2012 Toyota Sienna!

Best-Selling Fuel Injectors for 2012 Toyota Siennas

Enhance the driving experience in your Toyota with 16 quality Fuel Injector components, starting at $2.16.

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$105.99

Advance Auto Parts is proud to carry all new mass air flow sensors that use high-quality components with the highest quality standards.

Product Features:

CARQUEST MAF use all new high-quality components at the highest quality standards.
Manufactured with new and advanced technology to perform, fit and function at OE specifications.
All new product that is tested with OEM equipment to OEM standards
Outperforms competition when tested in extreme environmental conditions

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$7.49

MAHLE® gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
MAHLE gaskets is the leader in Domestic, Asian and European applications
The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

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$169.99

DENSO’s innovative designs reduces the size and weight which allows for easy installation. Glass film coated sensing elements reduces contamination exposure and improves reliability.

Product Features:

OE technology adapted for the aftermarket
Reduces emissions, increased performance
Delivers the highest reliability and detection accuracy

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$55.99

Each unit is 100% tested to OE specifications
Includes new O-rings and seals made of premium OE quality materials
Includes application specific technical bulletin, where applicable

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$4.79

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust
Validated for fit, form, and function

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$222.17

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

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$136.99

100% new; Delphi OE Technology Validated to match the vehicle applications; Manufactured to meet or exceed OE requirements.

Product Features:

Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
All parts are calibrated and tested to match the OE part
Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube.
Delphi OE technology validated to match the vehicle applications

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$52.99

Each unit is 100% tested to OE specifications
Includes new o-rings and seals made of premium OE quality materials
Includes application specific technical bulletin, where applicable

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$133.99

100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:

Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
Quiet operation, no audible regulator noise
Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
Consistent and predictable fuel pressure throughout system range of control provides great drivability

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$61.99

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

from

$52.99

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

Meets or exceeds all original equipment specifications
Application specific design to ensure a perfect fit
Engineered for the sealing repair environment
Unsurpassed quality you can trust

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$29.59

Fuel Injector O-Ring

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$27.49

Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

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$4.99

CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:

Premium OE quality materials
Services one injector

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$4.09

FI Throttle Body Mou

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$2.16

Fuel Injector O Ring

Most Popular 2012 Toyota Sienna Air Flow Sensors

Customize your Toyota with 6 Air Flow Sensors products like Air- Fuel Ratio Sensors and Ambient Air Temperature Sensor Connectors, all priced under $234.99.

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$234.99

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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$229.99

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.

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

from

$64.99

Premium quality materials for longer service life
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

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$224.99

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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$151.82

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.

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.

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$180.57

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.

Top Picks for 2012 Toyota Sienna Oxygen Sensors

Upgrade Toyota Siennas with top-quality Oxygen Sensors parts, including 11 OEM and aftermarket selections for your 2012 model.

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$163.99

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 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:

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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$75.99

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

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$103.99

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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$80.99

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

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$254.99

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

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$135.99

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

from

$116.99

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

from

$155.58

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.

from

$117.99

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

from

$117.99

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

from

$110.99

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

In-Demand Gas Caps for 2012 Toyota Siennas

Select from 12 premium Gas Caps parts for your 2012 Toyota Sienna, with prices ranging from $6.99 to $24.99.

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$11.99

None

Product Features:

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

from

$14.99

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

from

$15.49

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

from

$15.79

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

from

$24.99

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

from

$16.79

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
“Torque Override” feature aids in the proper installation of the fuel cap. It produces an audible click as the O-ring that seals the cap is properly compressed.

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$23.99

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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

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$21.79

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

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$22.99

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

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$6.99

None

Product Features:

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

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$23.99

Experience uncompromising quality and emissions compliance with these tethered fuel caps. Manufactured with top-tier materials and rigorous production and safety standards adhering to Original Equipment Manufacturer guidelines. Designed meticulously to meet both state and federal emissions requirements, it ensures environmental responsibility. With its specifically engineered pressure and vacuum relief valves, fuel evaporation becomes a thing of the past. Bid farewell to the risk of losing up to 30 gallons of precious gasoline over a year due to a leaking fuel cap. Trust in our superior construction to safeguard your fuel and contribute to a greener future.

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$10.99

None

Product Features:

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

Most Sold 2012 Toyota Sienna Fuel Pumps

Explore our best-selling Toyota parts for the 2012 Sienna among 6 OEM and aftermarket options starting from $15.99.

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$242.99

This evaporative emissions system leak detection pump is designed to match the fit and function of the original pump on specified applications, and is engineered for reliable performance and durability.

Product Features:

Direct replacement – this evaporative emissions system leak detection pump is designed to match the fit and function of the original pump on specified applications.
Restores functionality – reliable replacement for an original part that has clogged or failed due to emissions control system damage.
Durable construction – this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience

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$634.99

100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part, comprehensive portfolio for a wide range of vehicles and model years.

Product Features:

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

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$629.99

Delphi is a global OE manufacturer and all fuel pumps are built to Delphi’s OE standards
Empty float height and float retention matches OE specifications and guarantees correct gas gauge reading
Lower amperage draws less load on vehicle’s electrical system
Part is validated, tested and matched to the right vehicle application
Always be sure to check and clean fuel tank to avoid unnecessary returns
Lower failure rates due to its innovative design and durability

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$256.99

from

$34.99

Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

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

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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.

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

Top-Rated Fuel and Emissions Systems Brands For Your 2012 Toyota Sienna

Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2012 Toyota Siennas. Below you’ll find some of our best rated Fuel and Emissions Systems from Bosch and Carquest Premium, and more. Fuel and Emissions Systems from these brands that fit a 2012 Sienna start at just $4.99 and are rated as high as 5 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.

Popular Bosch 2012 Toyota Sienna Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2012 Toyota Sienna, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Bosch ticks all of those boxes. We offer a wide selection of Bosch Fuel and Emissions Systems, specifically designed for the 2012 Toyota Sienna. With over 3 Bosch brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $75.99, with an average price of just $137.32. Plus, with over 145 customer reviews and an average rating of 5 stars, you can trust that our Bosch Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.

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$254.99

This product is not rated

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

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$75.99

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

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$80.99

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Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal

“Good”

Popular Carquest Premium 2012 Toyota Sienna Fuel and Emissions Systems

Carquest Premium auto parts is one of the highest quality Fuel and Emissions System brands in the market. Any 2012 Toyota Sienna owner should feel confident when installing genuine Carquest Premium parts in their vehicle. To ensure the best fit and performance for your 2012 Sienna, Advance Auto Parts carries a full inventory of 24 Carquest Premium Fuel and Emissions Systems. Plus you will be keeping your Toyota in peak condition while saving money because prices on these Carquest Premium Fuel and Emissions Systems range from $4.99 to $591.99, plus, with more than 403 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Fuel and Emissions Systems below will deliver on both quality and value.

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$10.99

This product is not rated

Keyed Alike Locking Fuel Cap

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$59.99

This product is not rated

Vapor Canister Purge Solenoid

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$64.99

This product is not rated

Ambient Air Temperature Sensor Connector

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FAQs for 2012 Toyota Sienna Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2012 Toyota Siennas?

Out of 58 Fuel and Emissions Systems that fit 2012 Toyota Siennas, the following parts are the top sellers:

Fuel Cap: 10837, Round, Direct Fit, Provides Tight Seal, 1 Pack (18481528) – $14.99
Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal (18730541) – $80.99
Tethered Gas Cap: Non-Locking, Original Equipment Manufacturer, Reduces Air Pollution, 1 Pack (12102600) – $23.99

What’s the price range for 2012 Toyota Sienna Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2012 Toyota Sienna start at $2.16 and go up to $634.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2012 Toyota Sienna?

The average price for Fuel and Emissions Systems for the 2012 Toyota Sienna is $105.91. Keep in mind the variety of part types within our Fuel and Emissions System category so you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Fuel and Emissions Systems for other Toyota Sienna model years?

Yes, we currently carry Fuel and Emissions Systems for 26 model years of Toyota Siennas between 1998 and 2024. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2021, 2020, 2019, 2018, 2017, 2016, and 2015.

What are the cheapest Fuel and Emissions Systems for my 2012 Toyota Sienna?

The cheapest 2012 Toyota Sienna Fuel and Emissions Systems we carry in stock are:

Fuel Injector O Ring (11194255) – $2.16
FI Throttle Body Mou (12589340) – $4.09
Fuel Injector O-Ring Kit (12067900) – $4.79
Fuel Injector Seal Kit (11692578) – $4.99
Keyed Alike Locking Fuel Cap (10069213) – $6.99

What are the top-rated Fuel and Emissions Systems that fit the 2012 Toyota Sienna?

Out of 3,581 reviews by customers, our 2012 Toyota Sienna Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2012 Toyota Sienna and their top-rated products:

Oxygen Sensors
- Switching Oxygen Sensor: 4 Wire, 19" Long, Heated, Direct Fit (10596512) – $103.99
- Oxygen Sensor: Downstream, 4 Wire, 10.04" Long, Heated, Exact Fit (10115551) – $163.99
- Oxygen Sensor: 4 Wire, 10.63" Long, Heated, Exact Fit (18730183) – $75.99
Air Flow Sensors
- Switching Oxygen Sensor: 4 Wire, 19" Long, Heated, Direct Fit (10596512) – $103.99
- Oxygen Sensor: Downstream, 4 Wire, 10.04" Long, Heated, Exact Fit (10115551) – $163.99
- Oxygen Sensor: 4 Wire, 10.63" Long, Heated, Exact Fit (18730183) – $75.99

What types of Fuel and Emissions Systems do you sell for my 2012 Toyota Sienna?

As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2012 Toyota Sienna:

Can I get help with 2012 Toyota Sienna Fuel and Emissions System orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Toyota Fuel and Emissions Systems and more.

What is your return policy for Toyota Sienna Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Toyota Sienna Fuel and Emissions Systems and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

2012 Toyota Sienna Fuel and Emissions Systems

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Wells Vehicle Electronics – Fuel Injection Pressure Regulator (Part No.5G1488)

Carquest Premium – Vapor Canister (Part No.CPN1767)

Carquest Premium – Evaporative Emissions System Leak Detection Pump (Part No.VDC1067)

DENSO – Original Equipment Quality Fuel Pump & Strainer Kit (Part No.950-0231)

Carquest Premium – INJECTOR SEAL KIT (Part No.AS096)

Carquest – Multi Purpose Relay (Part No.83A1006)

Carquest Premium – Ambient Air Temperature Sensor Connector (Part No.PTA1106)

DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 11.93" Long, Heated, Exact Fit (Part No.234-9042)

NTK – Switching Oxygen Sensor: 4 Wire, 13.75" Long, Heated, Direct Fit (Part No.24594)

Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2354)

Carquest Premium – Multi Purpose Relay (Part No.RAA2998)

Motorad – Tethered Fuel Cap (Part No.MGC825T)

Carquest Premium – Fuel Cap: 10834, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10834)

Ishino – Stone Idle Control Valve Gasket (Part No.C4063182620ISH)

Felpro – Fuel Injection Throttle Body Mounting Gasket (Part No.61276)

Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)

Carquest Premium – Fuel Cap Tester Adapter (Part No.12427)

Carquest Premium – Vapor Canister Purge Solenoid (Part No.EGA1112)

Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPC1511)

Felpro – FUEL INJECTOR O-RING SET (Part No.ES 70600)

Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10107-01)

MAHLE Original – Fuel Injection Nozzle O-Ring Kit (Part No.GS33654)

Mahle – Fuel Injector O-Ring (Part No.C1013982489MAH)

Ishino Stone – Fuel Injector O Ring (Part No.C1012184287ISH)

DENSO – First Time Fit Air Mass Sensor (Part No.B3150834957ND)

Spectra Premium – Mass Air Flow Sensor (Part No.MA102)

Delphi – Mass Air Flow Sensor (Part No.AF10658)

Carquest Premium – Mass Air Flow Sensor (MAF) – 100% NEW (Part No.MQ6225)

MAHLE Original – Fuel Injection Nozzle O-Ring Kit (Part No.GS33654)

DENSO – Mass Air Flow Sensor (Part No.197-6160)

Carquest Premium – Remanufactured Fuel Injector (Part No.A212-3764)

Felpro – Fuel Injector O-Ring Kit (Part No.ES 71859)

DENSO – First Time Fit Air Mass Sensor (Part No.B3150834957ND)

Delphi – Mass Air Flow Sensor (Part No.AF10347)

Carquest Premium – Remanufactured Fuel Injector (Part No.A212-3804)

Delphi – Fuel Injection Pressure Regulator (Part No.FP10529)

Victor Reinz – Fuel Injector O-Ring Kit (Part No.18-10107-01)

Felpro – FUEL INJECTOR O-RING SET (Part No.ES 73059)

Mahle – Fuel Injector O-Ring (Part No.C1013982489MAH)

Victor Reinz – Fuel Injection Plenum Gasket Set (Part No.11-42844-01)

Carquest Premium – Fuel Injector Seal Kit (Part No.AS041)

Kibi Gaskets – FI Throttle Body Mou (Part No.C7001268569KIB)

Ishino Stone – Fuel Injector O Ring (Part No.C1012184287ISH)

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 4 Wire, 10.8" Long, Heated, Direct Fit (Part No.24850)

DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 16.34" Long, Heated, Exact Fit (Part No.234-9128)

Carquest Premium – Ambient Air Temperature Sensor Connector (Part No.PTA1106)

DENSO – Wideband Oxygen Sensor: Upstream, 4 Wire, 12.40" Long, Heated, Exact Fit (Part No.234-9114)

DENSO – First Time Fit Oxygen Sensor (Part No.C5010445819ND)

DENSO – First Time Fit Oxygen Sensor (Part No.C5010690329ND)

DENSO – Oxygen Sensor: Downstream, 4 Wire, 10.04" Long, Heated, Exact Fit (Part No.234-4416)

Bosch – Oxygen Sensor: 4 Wire, 10.63" Long, Heated, Exact Fit (Part No.13720)

NTK – Switching Oxygen Sensor: 4 Wire, 19" Long, Heated, Direct Fit (Part No.24144)

Bosch – Oxygen Sensor: 4 Wire, 24.92" Long, Heated, Universal (Part No.15733)

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

DENSO – Oxygen Sensor: Downstream, 4 Wire, 16.93" Long, Heated, Exact Fit (Part No.234-4540)

NTK – Switching Oxygen Sensor: 4 Wire, 14.25" Long, Heated, Direct Fit (Part No.24677)

DENSO – First Time Fit Oxygen Sensor (Part No.C5010690328ND)

DENSO – Oxygen Sensor: Downstream, 4 Wire, 20.28" Long, Heated, Exact Fit (Part No.234-4539)

NTK – Switching Oxygen Sensor: 4 Wire, 20.75" Long, Heated, Direct Fit (Part No.24824)

DENSO – Oxygen Sensor: Downstream, 4 Wire, 19.09" Long, Heated, Exact Fit (Part No.234-4537)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17591)

Carquest Premium – Fuel Cap: 10837, Round, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10837)

Carquest Premium – Fuel Cap: 10834, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10834)

Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)

Carquest Premium – Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10501)

Carquest Premium – Fuel Cap: 10819, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10819)

Carquest Premium – Locking Fuel Cap (Part No.10591)

Carquest Premium – Locking Fuel Cap: 10504, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10504)

Carquest Premium – Locking Fuel Cap: 10507, Screw On, Direct Fit, Provides Tight Seal, 1 Pack (Part No.10507)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17504)

Motorad – Tethered Gas Cap: Non-Locking, Original Equipment Manufacturer, Reduces Air Pollution, 1 Pack (Part No.MGC817T)

Carquest Premium – Keyed Alike Locking Fuel Cap (Part No.17507)

Dorman – Fuel Vapor Leak Detection Pump (Part No.310-007)

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal (Part No.FG1274)

Delphi – Fuel Pump Module Assembly: With Float Arm, Seal (Part No.FG0920)

Carquest Premium – Evaporative Emissions System Leak Detection Pump (Part No.VDC1068)

Carquest Premium – Fuel Cap Tester Adapter (Part No.12427)

Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)