2021 Volkswagen Jetta Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 2021 Volkswagen Jettas

Dorman – Mechanical Vacuum Pump Or Fuel Pump (Part No.904-817)

Mechanical Vacuum Pump Or Fuel Pump

from

$393.99
This vacuum pump matches the fit and function of the original equipment pump. Made of durable materials for reliable service, this replacement pump is built to ensure reliable operation of vacuum-operated vehicle functions.

Product Features:
  • Ideal replacement – this vacuum pump matches the fit and function of the original equipment pump to restore operation of vacuum-operated functions.
  • Durable construction – this vacuum pump is made of quality materials to ensure reliable performance and a long service life.
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on testing to ensure a quality fit
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Hella – Brake Vacuum Pump (Part No.N40501617288HEL)

Brake Vacuum Pump

from

$424.74
Brake Vacuum Pump

INA – Fuel Pump Tappet (Part No.E3013418177INA)

Fuel Pump Tappet

from

$41.35
Fuel Pump Tappet

INA – Fuel Pump Tappet (Part No.E3013386832INA)

Fuel Pump Tappet

from

$41.95
Fuel Pump Tappet

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
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1081)

Manifold Absolute Pressure Sensor (MAP)

from

$48.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC2378)

Manifold Absolute Pressure Sensor (MAP)

from

$87.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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Carquest Premium – Manifold Absolute Pressure Sensor (MAP) (Part No.ECC1406)

Manifold Absolute Pressure Sensor (MAP)

from

$69.99
CARQUEST MAP sensors are manufactured with critical OEM components to ensure that your engine runs efficiently to reach the best gas mileage on your vehicle.

Product Features:
  • CARQUEST MAP sensors connectors are exact OE fit to ensure the proper vacuum is maintained to prevent power loss and to minimize internal contamination.
  • CARQUEST MAP sensors utilize high temperature resistant seals. Damaged seals can directly impact the vehicles fuel-to-air ratio, making it less fuel efficient.
  • CARQUEST MAP sensors are 100% individually tested for all product functionalities including proper vacuum seal and electrical output.
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Delphi – Manifold Absolute Pressure Sensor (Part No.PS10161)

Manifold Absolute Pressure Sensor

from

$137.99
Delphi MAP sensors use the latest OE technology; Internally protected against moisture intrusion and vibration; Manufactured to meet or exceed OE requirements for 100,000 miles.

Product Features:
  • Insulated with silicone gel over the integrated circuit chip to protect against shock and vibration for increased durability
  • Internally protected against moisture intrusion and vibration
  • Long lasting and durable
  • Designed and engineered with Delphi expertise
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Rein – Ambient Temp Sensor (Part No.P4025342395RIN)

Ambient Temp Sensor

from

$19.57
Ambient Temp Sensor

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1106)

Ambient Air Temperature Sensor

from

$32.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
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Rein – Thermo Switch (Part No.ELT0059)

Thermo Switch

from

$11.99
Electrical parts control all aspects of vehicles on the road today. Replacing these components when they are starting to fail will ensure your vehicle has maximum performance and fuel economy. This is why Rein Automotive electrical parts are application specific and match the design and function of the OE parts.

Product Features:
  • Tested to ensure maximum performance
  • Manufactured to strict engineering standards/specifications in materials and tolerances
  • Long life and durability
  • Made by the OE manufacturer
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Rein – Temperature Sensor (Part No.ELT0057)

Temperature Sensor

from

$13.49
Electrical parts control all aspects of vehicles on the road today. Replacing these components when they are starting to fail will ensure your vehicle has maximum performance and fuel economy. This is why Rein Automotive electrical parts are application specific and match the design and function of the OE parts.

Product Features:
  • Tested to ensure maximum performance
  • Manufactured to strict engineering standards/specifications in materials and tolerances
  • Long life and durability
  • Made by the OE manufacturer
See More

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1865)

Ambient Air Temperature Sensor

from

$41.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1269)

Ambient Air Temperature Sensor

from

$55.99
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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Upgrade your 2021 Volkswagen Jetta with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2021 Volkswagen Jetta, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Volkswagen or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your Jetta functioning at its best. At Advance Auto Parts, we offer a wide selection of 5 Fuel and Emissions Systems for the 2021 Volkswagen Jetta, designed to meet your needs without breaking the bank. From Fuel Pump 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 2021 Volkswagen Jetta at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $12.49 to $424.74, with an average price of $111.61. Our 5 Fuel and Emissions Systems in stock come from 5 trusted brands, so you’re sure to find the right part for your 2021 Volkswagen Jetta 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 Batteries and Chargers, Oil and Lubricants and more to make sure your 2021 Volkswagen Jetta is always ready to roll. We’re committed to providing you with everything you need to keep your Jetta in top shape, all in one place. Start shopping confidently below for your 2021 Volkswagen Jetta!

Best-Selling Fuel Pumps for 2021 Volkswagen Jettas

Enhance the driving experience in your Volkswagen with 1 quality Fuel Pump components, starting at $41.35.

INA – Fuel Pump Tappet (Part No.E3013418177INA)

Fuel Pump Tappet

from

$41.35
Fuel Pump Tappet

Most Popular 2021 Volkswagen Jetta Air Flow Sensors

Customize your Volkswagen with 2 Air Flow Sensors products like Manifold Air Pressure Sensors and Ambient Air Temperature Sensors, all priced under $46.49.

Worldpac – MAP SENSOR (Part No.C70441804818WLK)

MAP SENSOR

from

$46.49
MAP SENSOR

Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1106)

Ambient Air Temperature Sensor

from

$32.99
The temperature of various systems must be reported to the engine control module (ECM) as well as other operating system controllers in the vehicle. Coolant temperature, cabin temperature, exhaust temperature and ambient temperature are just a few systems reported by a temperature sensor. The temperature sensor is fed 5 volts by the systems computer, within the sensor housing will be a thermistor, or dropping resistor whose resistance value will change as the temperature surrounding it changes. Changing resistance in the circuit will change the volt signal at the processor indicating the current operating value.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure accurate signal output providing product reliability, every time.
  • Tin plated lead frame prevents corrosion and ensures a reliable terminal connection under adverse ambient conditions.
  • Lead frame terminal size and location determined using image dimension measuring system or 3D laser scanner.
  • Application matched components ensures system operation in like new condition.
See More

Top Picks for 2021 Volkswagen Jetta Fuel Tanks

Upgrade Volkswagen Jettas with top-quality Fuel Tanks parts, including 1 OEM and aftermarket selections for your 2021 model.

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

In-Demand Vacuum Pumps for 2021 Volkswagen Jettas

Select from 1 premium Vacuum Pumps parts for your 2021 Volkswagen Jetta.

Hella – Brake Vacuum Pump (Part No.N40501617288HEL)

Brake Vacuum Pump

from

$424.74
Brake Vacuum Pump

FAQs for 2021 Volkswagen Jetta Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2021 Volkswagen Jettas?

Out of 5 Fuel and Emissions Systems that fit 2021 Volkswagen Jettas, the following parts are the top sellers:

What’s the price range for 2021 Volkswagen Jetta Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2021 Volkswagen Jetta start at $12.49 and go up to $424.74 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2021 Volkswagen Jetta?

The average price for Fuel and Emissions Systems for the 2021 Volkswagen Jetta is $111.61. 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 Volkswagen Jetta model years?

Yes, we currently carry Fuel and Emissions Systems for 44 model years of Volkswagen Jettas between 1980 and 2024. Fuel and Emissions Systems are bought most frequently for the following model years: 2023, 2022, 2020, 2019, 2018, 2017, 2016, 2015, and 2014.

What are the cheapest Fuel and Emissions Systems for my 2021 Volkswagen Jetta?

The cheapest 2021 Volkswagen Jetta Fuel and Emissions Systems we carry in stock are:

What types of Fuel and Emissions Systems do you sell for my 2021 Volkswagen Jetta?

As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2021 Volkswagen Jetta:

Can I get help with 2021 Volkswagen Jetta 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 Volkswagen Fuel and Emissions Systems and more.

What is your return policy for Volkswagen Jetta Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Volkswagen Jetta 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.