2019 Mack GU4 Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 2019 Mack GU4s

Dorman – HD Solutions – Dpf Differential Pressure Sensor (Part No.904-7127)

Dpf Differential Pressure Sensor

from

$141.99
This DPF differential pressure sensor is designed to match the fit and function of the original part on specified makes, years and models, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this replacement exhaust gas differential pressure sensor, also known as a diesel particulate filter (DPF) sensor, is designed to match the fit and function of the original sensor on specified makes, years and models
  • Restores functionality – reliable replacement for an original sensor that has broken, burned out, corroded or otherwise stopped working
  • 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
See More

DAYTON PARTS – WIRING HARNESS (Part No.311-0015)

WIRING HARNESS

from

$175.99
WIRING HARNESS

Upgrade your 2019 Mack GU4 with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2019 Mack GU4, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mack or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your GU4 functioning at its best. At Advance Auto Parts, we offer a wide selection of 2 Fuel and Emissions Systems for the 2019 Mack GU4, designed to meet your needs without breaking the bank. From Exhaust Gas Recirculation (EGR) Part replacements to Diesel Emission Parts 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 Mack GU4 at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $141.99 to $175.99, with an average price of $158.99. Our 2 Fuel and Emissions Systems in stock come from 2 trusted brands, so you’re sure to find the right part for your 2019 Mack GU4 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, Fluids and Chemicals and more to make sure your 2019 Mack GU4 is always ready to roll. We’re committed to providing you with everything you need to keep your GU4 in top shape, all in one place. Start shopping confidently below for your 2019 Mack GU4!

Best-Selling Exhaust Gas Recirculation (EGR) Parts for 2019 Mack GU4s

Enhance the driving experience in your Mack with 1 quality Exhaust Gas Recirculation (EGR) Part components, starting at $141.99.

Dorman – HD Solutions – Dpf Differential Pressure Sensor (Part No.904-7127)

Dpf Differential Pressure Sensor

from

$141.99
This DPF differential pressure sensor is designed to match the fit and function of the original part on specified makes, years and models, and is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this replacement exhaust gas differential pressure sensor, also known as a diesel particulate filter (DPF) sensor, is designed to match the fit and function of the original sensor on specified makes, years and models
  • Restores functionality – reliable replacement for an original sensor that has broken, burned out, corroded or otherwise stopped working
  • 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
See More

Most Popular 2019 Mack GU4 Diesel Emission Parts

Customize your Mack with 1 Diesel Emission Parts products like Selective Catalytic Reduction (SCR) Wiring, all priced under $175.99.

DAYTON PARTS – WIRING HARNESS (Part No.311-0015)

WIRING HARNESS

from

$175.99
WIRING HARNESS

FAQs for 2019 Mack GU4 Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2019 Mack GU4s?

Out of 2 Fuel and Emissions Systems that fit 2019 Mack GU4s, the following parts are the top sellers:

What’s the price range for 2019 Mack GU4 Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2019 Mack GU4 start at $141.99 and go up to $175.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2019 Mack GU4?

The average price for Fuel and Emissions Systems for the 2019 Mack GU4 is $158.99. 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 Mack GU4 model years?

Yes, we currently carry Fuel and Emissions Systems for 6 model years of Mack GU4s between 2012 and 2018. Fuel and Emissions Systems are bought most frequently for the following model years: 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Fuel and Emissions Systems for my 2019 Mack GU4?

The cheapest 2019 Mack GU4 Fuel and Emissions Systems we carry in stock are:

What types of Fuel and Emissions Systems do you sell for my 2019 Mack GU4?

As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2019 Mack GU4:

Can I get help with 2019 Mack GU4 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 Mack Fuel and Emissions Systems and more.

What is your return policy for Mack GU4 Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Mack GU4 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.