2018 Mack GU4 Fuel and Emissions Systems
Find Your Specific 2018 Mack GU4 Fuel and Emissions Systems
Below you will find various in-demand Mack Fuel and Emissions Systems, components and accessories for your 2018 GU4. Advance Auto Parts has popular GU4 parts like Exhaust Gas Recirculation (EGR) Parts, Diesel Emission Parts, Diesel Fuel Injectors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other GU4 model years including
2012,
2013,
2014,
2015,
2016,
2017,
2019 and more. Select a category of 2018 Mack GU4 Fuel and Emissions Systems below and start saving instantly.
Popular 2018 Mack GU4 Fuel and Emissions Systems Categories
Essential Fuel and Emissions Systems for 2018 Mack GU4s
DAYTON PARTS – WIRING HARNESS (Part No.311-0015)
from
$175.99
WIRING HARNESS
Dorman – HD Solutions – DEF Tank Filler Neck Filter (Part No.904-7938)
from
$67.99
This diesel exhaust fluid (DEF) filler neck filter is designed to match the fit and function of the original filter on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this diesel exhaust fluid (DEF) filler neck filter is designed to match the fit and function of the original filter on specified vehicles
- Restores functionality – reliable replacement for an original part that has failed due to clogging
- 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
Dorman – HD Solutions – Dpf Differential Pressure Sensor (Part No.904-7127)
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:
See More
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
Carquest Premium – Diesel Exhaust Fluid Filter Kit (Part No.96877)
from
$324.99
Carquest Premium Diesel Exhaust Fluid (DEF) Filters help reduce harmful emissions and improve air quality. DEF filters remove impurities such as dirt, debris, and particulates from the diesel exhaust fluid before entering your vehicle’s emission control system. These filters allow clean fluid to break down harmful nitrogen oxide (NOx) gases produced during diesel combustion. By ensuring proper DEF flow and helping protect system components, DEF filters help diesel engines meet strict emission standards. Carquest Premium Diesel Exhaust Fluid (DEF) Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).
Product Features:
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Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Contains Frost Compensation Membrane, Spray Lubricant, Instruction Sheet
Upgrade your 2018 Mack GU4 with Top-Quality Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2018 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 4 Fuel and Emissions Systems for the 2018 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 2018 Mack GU4 at great prices.
Our Fuel and Emissions Systems inventory for this model
ranges from just $67.99 to $324.99, with
an average price of $177.74.
Our 4 Fuel and Emissions Systems in stock come from 3 trusted brands, so you’re sure to find the right part for your 2018 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 2018 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 2018 Mack GU4!
Best-Selling Exhaust Gas Recirculation (EGR) Parts for 2018 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)
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:
See More
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
Most Popular 2018 Mack GU4 Diesel Emission Parts
Customize your Mack with 2 Diesel Emission Parts products
like Diesel Exhaust Fluid (DEF) Filler Neck Filters and
Selective Catalytic Reduction (SCR) Wiring, all
priced under $175.99.
Dorman – HD Solutions – DEF Tank Filler Neck Filter (Part No.904-7938)
from
$67.99
This diesel exhaust fluid (DEF) filler neck filter is designed to match the fit and function of the original filter on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this diesel exhaust fluid (DEF) filler neck filter is designed to match the fit and function of the original filter on specified vehicles
- Restores functionality – reliable replacement for an original part that has failed due to clogging
- 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
DAYTON PARTS – WIRING HARNESS (Part No.311-0015)
from
$175.99
WIRING HARNESS
Top Picks for 2018 Mack GU4 Diesel Fuel Injectors
Upgrade Mack GU4s with top-quality Diesel Fuel Injectors parts, including 1 OEM and aftermarket selections for your 2018 model.
Carquest Premium – Diesel Exhaust Fluid Filter Kit (Part No.96877)
from
$324.99
Carquest Premium Diesel Exhaust Fluid (DEF) Filters help reduce harmful emissions and improve air quality. DEF filters remove impurities such as dirt, debris, and particulates from the diesel exhaust fluid before entering your vehicle’s emission control system. These filters allow clean fluid to break down harmful nitrogen oxide (NOx) gases produced during diesel combustion. By ensuring proper DEF flow and helping protect system components, DEF filters help diesel engines meet strict emission standards. Carquest Premium Diesel Exhaust Fluid (DEF) Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).
Product Features:
See More
Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Contains Frost Compensation Membrane, Spray Lubricant, Instruction Sheet
FAQs for 2018 Mack GU4 Fuel and Emissions Systems
Which Fuel and Emissions Systems are best-sellers for 2018 Mack GU4s?
Out of 4 Fuel and Emissions Systems that fit 2018 Mack GU4s, the following parts are the top sellers:
- Dpf Differential Pressure Sensor (11438434) – $141.99
- DEF Tank Filler Neck Filter (11953293) – $67.99
- Diesel Exhaust Fluid Filter Kit (12501680) – $324.99
What’s the price range for 2018 Mack GU4 Fuel and Emissions Systems?
Fuel and Emissions System prices for the 2018 Mack GU4 start at $67.99 and go up to $324.99 for the most premium parts.
What’s the average price of a Fuel and Emissions System for a 2018 Mack GU4?
The average price for Fuel and Emissions Systems for the 2018 Mack GU4 is $177.74. 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?
What are the cheapest Fuel and Emissions Systems for my 2018 Mack GU4?
The cheapest 2018 Mack GU4 Fuel and Emissions Systems we carry in stock are:
- DEF Tank Filler Neck Filter (11953293) – $67.99
- Dpf Differential Pressure Sensor (11438434) – $141.99
- WIRING HARNESS (50177046) – $175.99
- Diesel Exhaust Fluid Filter Kit (12501680) – $324.99
What types of Fuel and Emissions Systems do you sell for my 2018 Mack GU4?
As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2018 Mack GU4:
Can I get help with 2018 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.
