2019 Fiat 500L Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 2019 Fiat 500Ls

DENSO – Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 30.00 (Part No.234-5707)

Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 30.00

from

$151.99
Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 30.00

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 30.25" Long, Heated, Direct Fit (Part No.27062)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 30.25" Long, Heated, Direct Fit

from

$136.99
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
See More

DENSO – Wideband Oxygen Sensor: Upstream, 5 Wire, 23.78" Long, Heated, Exact Fit (Part No.234-5171)

Wideband Oxygen Sensor: Upstream, 5 Wire, 23.78" Long, Heated, Exact Fit

from

$228.99
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
See More

Bosch – Oxygen Sensor: 4 Wire, 12.2" Long, Heated, Exact Fit (Part No.18145)

Oxygen Sensor: 4 Wire, 12.2" 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 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. 

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, 12.24" Long, Heated, Exact Fit (Part No.234-4748)

Oxygen Sensor: Downstream, 4 Wire, 12.24" Long, Heated, Exact Fit

from

$73.99
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
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

$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. 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

NTK – Switching Oxygen Sensor: 4 Wire, 12.25" Long, Heated, Direct Fit (Part No.23164)

Switching Oxygen Sensor: 4 Wire, 12.25" Long, Heated, Direct Fit

from

$71.99
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
See More

Carquest Premium – Vapor Canister (Part No.CPN2461)

Vapor Canister

from

$235.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Dorman – Fuel Tank O-Ring (Part No.911-245)

Fuel Tank O-Ring

from

$39.99
This fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles.
  • Restores functionality – reliable replacement for an original part that has failed due to fatigue or due for replacement during fuel pump tank service.
  • Durable construction – recommended for replacement when the fuel pump or sensor is replaced
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Carquest Premium – Fuel Injector Seal Kit (Part No.AS051)

Fuel Injector Seal Kit

from

$8.29
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
See More

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

Fuel Tank Cleaning Kit

from

$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
See More

Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2655)

Remanufactured Fuel Injector

from

$41.99
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
See More

Upgrade your 2019 Fiat 500L with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2019 Fiat 500L, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Fiat or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your 500L functioning at its best. At Advance Auto Parts, we offer a wide selection of 9 Fuel and Emissions Systems for the 2019 Fiat 500L, designed to meet your needs without breaking the bank. From Oxygen Sensor replacements to Fuel Injectors 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 2019 Fiat 500L at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $8.29 to $235.99, with an average price of $85.97. Our 9 Fuel and Emissions Systems in stock come from 5 trusted brands, so you’re sure to find the right part for your 2019 Fiat 500L without overspending.

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 Oil and Lubricants, Fluids and Chemicals and more to make sure your 2019 Fiat 500L is always ready to roll. We’re committed to providing you with everything you need to keep your 500L in top shape, all in one place. Start shopping confidently below for your 2019 Fiat 500L!

Best-Selling Oxygen Sensors for 2019 Fiat 500Ls

Enhance the driving experience in your Fiat with 2 quality Oxygen Sensor components, starting at $71.99.

NTK – Switching Oxygen Sensor: 4 Wire, 12.25" Long, Heated, Direct Fit (Part No.23164)

Switching Oxygen Sensor: 4 Wire, 12.25" Long, Heated, Direct Fit

from

$71.99
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
See More

DENSO – Oxygen Sensor: Downstream, 4 Wire, 12.24" Long, Heated, Exact Fit (Part No.234-4748)

Oxygen Sensor: Downstream, 4 Wire, 12.24" Long, Heated, Exact Fit

from

$73.99
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
See More

Most Popular 2019 Fiat 500L Fuel Injectors

Customize your Fiat with 2 Fuel Injectors products like Fuel Injectors and Fuel Injector O-Ring Kits, all priced under $41.99.

Carquest Premium – Fuel Injector Seal Kit (Part No.AS051)

Fuel Injector Seal Kit

from

$8.29
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
See More

Carquest Premium – Remanufactured Fuel Injector (Part No.A212-2655)

Remanufactured Fuel Injector

from

$41.99
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
See More

Top Picks for 2019 Fiat 500L Vapor Canister Purge Valves

Upgrade Fiat 500Ls with top-quality Vapor Canister Purge Valves parts, including 1 OEM and aftermarket selections for your 2019 model.

Carquest Premium – Vapor Canister (Part No.CPN2461)

Vapor Canister

from

$235.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

In-Demand Fuel Tanks for 2019 Fiat 500Ls

Select from 2 premium Fuel Tanks parts for your 2019 Fiat 500L, with prices ranging from $12.49 to $39.99.

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

Fuel Tank Cleaning Kit

from

$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
See More

Dorman – Fuel Tank O-Ring (Part No.911-245)

Fuel Tank O-Ring

from

$39.99
This fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel pump tank seal is designed to match the fit and function of the original seal on specified vehicles.
  • Restores functionality – reliable replacement for an original part that has failed due to fatigue or due for replacement during fuel pump tank service.
  • Durable construction – recommended for replacement when the fuel pump or sensor is replaced
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Most Sold 2019 Fiat 500L Air Flow Sensors

Explore our best-selling Fiat parts for the 2019 500L among 2 OEM and aftermarket options starting from $136.99.

NTK – Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 30.25" Long, Heated, Direct Fit (Part No.27062)

Wideband Oxygen Sensor: Air-Fuel Ratio 5 Wire, 30.25" Long, Heated, Direct Fit

from

$136.99
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
See More

DENSO – Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 30.00 (Part No.234-5707)

Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 30.00

from

$151.99
Air-Fuel Ratio Sensor 5 Wire, Direct Fit, Heated, Wire Length: 30.00

FAQs for 2019 Fiat 500L Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2019 Fiat 500Ls?

Out of 9 Fuel and Emissions Systems that fit 2019 Fiat 500Ls, the following parts are the top sellers:

What’s the price range for 2019 Fiat 500L Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2019 Fiat 500L start at $8.29 and go up to $235.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2019 Fiat 500L?

The average price for Fuel and Emissions Systems for the 2019 Fiat 500L is $85.97. 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 Fiat 500L model years?

Yes, we currently carry Fuel and Emissions Systems for 6 model years of Fiat 500Ls between 2014 and 2020. Fuel and Emissions Systems are bought most frequently for the following model years: 2020, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Fuel and Emissions Systems for my 2019 Fiat 500L?

The cheapest 2019 Fiat 500L Fuel and Emissions Systems we carry in stock are:

What types of Fuel and Emissions Systems do you sell for my 2019 Fiat 500L?

As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2019 Fiat 500L:

Can I get help with 2019 Fiat 500L 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 Fiat Fuel and Emissions Systems and more.

What is your return policy for Fiat 500L Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Fiat 500L 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.