2012 Mack LEU Fuel and Emissions Systems
Find Your Specific 2012 Mack LEU Fuel and Emissions Systems
Below you will find various in-demand Mack Fuel and Emissions Systems, components and accessories for your 2012 LEU. Advance Auto Parts has popular LEU 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 LEU model years including
2008,
2009,
2010,
2011,
2013,
2014,
2015,
2016 and more. Select a category of 2012 Mack LEU Fuel and Emissions Systems below and start saving instantly.
Popular 2012 Mack LEU Fuel and Emissions Systems Categories
Essential Fuel and Emissions Systems for 2012 Mack LEUs
Dorman – HD Solutions – Oil Pressure Sensor (Part No.904-7453)
from
$161.99
This replacement pressure sensor is a direct replacement for an original equipment sensor for the specified applications. It is ruggedly designed and built to withstand required operating pressures and temperatures for reliable performance.
Product Features:
See More
Product Features:
- Ideal replacement – this multi-purpose pressure sensor directly replaces the original sensor on specified vehicles and applications.
- Durable construction – this sensor is specifically designed to withstand pressure and temperature extremes for reliable performance and accurate measurement
- Cost-effective solution – offers original equipment fit and function at a competitive price
- Trustworthy quality – backed by a team of designers and engineers in the United States
Dorman – HD Solutions – Exhaust Gas Recirculation Tube (Part No.598-5944)
from
$523.99
This EGR cooler hose is designed to match the fit and function of the original hose on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this EGR cooler hose is designed to match the fit and function of the original hose on specified vehicles.
- Restores functionality – reliable replacement for an original hose that has failed due to heat or vibration
- 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 – Exhaust Gas Temperature Sensor (Part No.904-7449)
from
$129.99
EGR valve temp sensors frequently seize in the mounting bung, making replacement difficult and damaging the bung. This Dorman OE FIX solution directly replaces the sensor and comes with a bung repair kit just in case.
Product Features:
See More
Product Features:
- Convenient solution – this replacement EGR valve temperature sensor comes with a bung repair kit in case the bung is damaged during removal.
- Cost-effective fix – bung repair kit allows direct repair of damaged bung instead of replacing entire EGR valve
- Complete kit – comes with sensor, new bung, weld-on plate and zip tie
- Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
Dorman – HD Solutions – Exhaust Gas Recirculation Temperature Sensor (Part No.904-7118)
from
$105.99
This exhaust gas recirculation (EGR) temperature sensor is designed to match the function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.
Product Features:
See More
Product Features:
- Direct replacement – this EGR valve temperature sensor is designed to match the fit and function of an original sensor on specified vehicles.
- Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Carquest Premium – Carquest Diesel Exhaust Fluid Filter for SCR Systems (Part No.96679)
from
$106.99
Carquest Diesel Exhaust Fluid (DEF) Filters remove contaminants to ensure proper function of your vehicle’s Selective Catalytic Reduction (SCR) system.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Contains Plug and Filter Removal Tool
Dorman – HD Solutions – DEF Tank Filler Neck Filter (Part No.904-7938)
from
$60.99
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 – Diesel Particulate Filter Gasket And Clamp Kit (Part No.674-9035)
from
$415.99
The components in this diesel particulate filter (DPF) hardware kit are designed to match the function of the original parts on specified vehicles. They are engineered to be reliable replacements for components that are missing or damaged.
Product Features:
See More
Product Features:
- Direct replacements – the components in this diesel particulate filter (DPF) hardware kit are designed to match the function of the original parts on specified vehicles
- Ideal solution – engineered to be reliable replacements for components that are missing or damaged
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Dorman – HD Solutions – Heavy Duty D.E.F. Cap (Part No.904-5501)
from
$29.49
This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap 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 cap is designed to match the fit and function of the original cap on specified vehicles.
- Restores functionality – reliable replacement for an original cap that is leaking or failed due to wear
- 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 – DEF Fuel Cap (Part No.10854)
from
$21.99
Effectively prevent diesel exhaust fluid from leaking or spilling through the filler neck. Essential for helping to keep pollutants out of the environment. Replacement restores the diesel emissions fluid system to proper operation.
Product Features:
See More
Product Features:
- Constructed from high- quality, heat-resistant materials for long-life durability
- Important replacement item to pass inspection in certain states
- Designed for optimum fit
- Meets or exceeds all OEM specifications
Carquest Premium – Locking DEF Cap (Part No.10526)
from
$34.49
Effectively prevent diesel exhaust fluid from leaking or spilling through the filler neck. Essential for helping to keep pollutants out of the environment. Replacement restores the diesel emissions fluid system to proper operation.
Product Features:
See More
Product Features:
- Constructed from high- quality, heat-resistant materials for long-life durability
- Important replacement item to pass inspection in certain states
- Designed for optimum fit
- Meets or exceeds all OEM specifications
Dorman – HD Solutions – Heavy Duty DEF Cap (Part No.904-5501CD)
from
$37.99
This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap 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 cap is designed to match the fit and function of the original cap on specified vehicles
- Restores functionality – reliable replacement for an original cap that is leaking or failed due to wear
- 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 – Atomization Module (Part No.904-5507)
from
$1468.99
This diesel fuel injector driver module is designed to match the fit and function of the original module on specified applications, and is engineered for reliable performance and durability.
Product Features:
See More
Product Features:
- Direct replacement – this diesel fuel injector driver module is designed to match the fit and function of the original module on specified applications.
- Ideal solution – this module is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
- Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
- Trustworthy quality – designed in the United States and backed by more than a century of automotive aftermarket excellence
Dorman – HD Solutions – Dpf Differential Pressure Sensor (Part No.904-7127)
from
$128.99
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
Upgrade your 2012 Mack LEU with Top-Quality Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2012 Mack LEU, 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 LEU functioning at its best. At Advance Auto Parts, we offer a wide selection of 13 Fuel and Emissions Systems for the 2012 Mack LEU, 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 2012 Mack LEU at great prices.
Our Fuel and Emissions Systems inventory for this model
ranges from just $21.99 to $1,468.99, with
an average price of $256.94.
Our 13 Fuel and Emissions Systems in stock come from 2 trusted brands, so you’re sure to find the right part for your 2012 Mack LEU 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 2012 Mack LEU is always ready to roll. We’re committed to providing you with everything you need to keep your LEU in top shape, all in one place.
Start shopping confidently below for your 2012 Mack LEU!
Best-Selling Exhaust Gas Recirculation (EGR) Parts for 2012 Mack LEUs
Enhance the driving experience in your Mack with 4 quality Exhaust Gas Recirculation (EGR) Part components, starting at $105.99.
Dorman – HD Solutions – Dpf Differential Pressure Sensor (Part No.904-7127)
from
$128.99
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
Dorman – HD Solutions – Exhaust Gas Recirculation Tube (Part No.598-5944)
from
$523.99
This EGR cooler hose is designed to match the fit and function of the original hose on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this EGR cooler hose is designed to match the fit and function of the original hose on specified vehicles.
- Restores functionality – reliable replacement for an original hose that has failed due to heat or vibration
- 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 – Exhaust Gas Temperature Sensor (Part No.904-7449)
from
$129.99
EGR valve temp sensors frequently seize in the mounting bung, making replacement difficult and damaging the bung. This Dorman OE FIX solution directly replaces the sensor and comes with a bung repair kit just in case.
Product Features:
See More
Product Features:
- Convenient solution – this replacement EGR valve temperature sensor comes with a bung repair kit in case the bung is damaged during removal.
- Cost-effective fix – bung repair kit allows direct repair of damaged bung instead of replacing entire EGR valve
- Complete kit – comes with sensor, new bung, weld-on plate and zip tie
- Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
Dorman – HD Solutions – Exhaust Gas Recirculation Temperature Sensor (Part No.904-7118)
from
$105.99
This exhaust gas recirculation (EGR) temperature sensor is designed to match the function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.
Product Features:
See More
Product Features:
- Direct replacement – this EGR valve temperature sensor is designed to match the fit and function of an original sensor on specified vehicles.
- Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Most Popular 2012 Mack LEU Diesel Emission Parts
Customize your Mack with 2 Diesel Emission Parts products
like Diesel Particulate Filter Hardware Kits and
Diesel Exhaust Fluid (DEF) Filler Neck Filters, all
priced under $415.99.
Dorman – HD Solutions – DEF Tank Filler Neck Filter (Part No.904-7938)
from
$60.99
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 – Diesel Particulate Filter Gasket And Clamp Kit (Part No.674-9035)
from
$415.99
The components in this diesel particulate filter (DPF) hardware kit are designed to match the function of the original parts on specified vehicles. They are engineered to be reliable replacements for components that are missing or damaged.
Product Features:
See More
Product Features:
- Direct replacements – the components in this diesel particulate filter (DPF) hardware kit are designed to match the function of the original parts on specified vehicles
- Ideal solution – engineered to be reliable replacements for components that are missing or damaged
- Durable construction – designed and manufactured to strict specifications for reliable performance
- Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
Top Picks for 2012 Mack LEU Diesel Fuel Injectors
Upgrade Mack LEUs with top-quality Diesel Fuel Injectors parts, including 6 OEM and aftermarket selections for your 2012 model.
Carquest Premium – Carquest Diesel Exhaust Fluid Filter for SCR Systems (Part No.96679)
from
$106.99
Carquest Diesel Exhaust Fluid (DEF) Filters remove contaminants to ensure proper function of your vehicle’s Selective Catalytic Reduction (SCR) system.
Product Features:
See More
Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Contains Plug and Filter Removal Tool
Carquest Premium – Locking DEF Cap (Part No.10526)
from
$34.49
Effectively prevent diesel exhaust fluid from leaking or spilling through the filler neck. Essential for helping to keep pollutants out of the environment. Replacement restores the diesel emissions fluid system to proper operation.
Product Features:
See More
Product Features:
- Constructed from high- quality, heat-resistant materials for long-life durability
- Important replacement item to pass inspection in certain states
- Designed for optimum fit
- Meets or exceeds all OEM specifications
Dorman – HD Solutions – Atomization Module (Part No.904-5507)
from
$1468.99
This diesel fuel injector driver module is designed to match the fit and function of the original module on specified applications, and is engineered for reliable performance and durability.
Product Features:
See More
Product Features:
- Direct replacement – this diesel fuel injector driver module is designed to match the fit and function of the original module on specified applications.
- Ideal solution – this module is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
- Durable construction – this part is made from quality materials to ensure reliable performance and a long service life
- Trustworthy quality – designed in the United States and backed by more than a century of automotive aftermarket excellence
Dorman – HD Solutions – Heavy Duty DEF Cap (Part No.904-5501CD)
from
$37.99
This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap 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 cap is designed to match the fit and function of the original cap on specified vehicles
- Restores functionality – reliable replacement for an original cap that is leaking or failed due to wear
- 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 – Heavy Duty D.E.F. Cap (Part No.904-5501)
from
$29.49
This diesel exhaust fluid (DEF) filler cap is designed to match the fit and function of the original cap 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 cap is designed to match the fit and function of the original cap on specified vehicles.
- Restores functionality – reliable replacement for an original cap that is leaking or failed due to wear
- 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 – DEF Fuel Cap (Part No.10854)
from
$21.99
Effectively prevent diesel exhaust fluid from leaking or spilling through the filler neck. Essential for helping to keep pollutants out of the environment. Replacement restores the diesel emissions fluid system to proper operation.
Product Features:
See More
Product Features:
- Constructed from high- quality, heat-resistant materials for long-life durability
- Important replacement item to pass inspection in certain states
- Designed for optimum fit
- Meets or exceeds all OEM specifications
In-Demand Fuel Sensors for 2012 Mack LEUs
Select from 1 premium Fuel Sensors parts for your 2012 Mack LEU.
Dorman – HD Solutions – Oil Pressure Sensor (Part No.904-7453)
from
$161.99
This replacement pressure sensor is a direct replacement for an original equipment sensor for the specified applications. It is ruggedly designed and built to withstand required operating pressures and temperatures for reliable performance.
Product Features:
See More
Product Features:
- Ideal replacement – this multi-purpose pressure sensor directly replaces the original sensor on specified vehicles and applications.
- Durable construction – this sensor is specifically designed to withstand pressure and temperature extremes for reliable performance and accurate measurement
- Cost-effective solution – offers original equipment fit and function at a competitive price
- Trustworthy quality – backed by a team of designers and engineers in the United States
FAQs for 2012 Mack LEU Fuel and Emissions Systems
Which Fuel and Emissions Systems are best-sellers for 2012 Mack LEUs?
Out of 13 Fuel and Emissions Systems that fit 2012 Mack LEUs, the following parts are the top sellers:
- Carquest Diesel Exhaust Fluid Filter for SCR Systems (12005494) – $106.99
- Dpf Differential Pressure Sensor (11438434) – $128.99
- DEF Tank Filler Neck Filter (11953293) – $60.99
What’s the price range for 2012 Mack LEU Fuel and Emissions Systems?
Fuel and Emissions System prices for the 2012 Mack LEU start at $21.99 and go up to $1,468.99 for the most premium parts.
What’s the average price of a Fuel and Emissions System for a 2012 Mack LEU?
The average price for Fuel and Emissions Systems for the 2012 Mack LEU is $256.94. 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 LEU model years?
What are the cheapest Fuel and Emissions Systems for my 2012 Mack LEU?
The cheapest 2012 Mack LEU Fuel and Emissions Systems we carry in stock are:
- DEF Fuel Cap (11330366) – $21.99
- Heavy Duty D.E.F. Cap (10308779) – $29.49
- Locking DEF Cap (11330351) – $34.49
- Heavy Duty DEF Cap (50207780) – $37.99
- DEF Tank Filler Neck Filter (11953293) – $60.99
What types of Fuel and Emissions Systems do you sell for my 2012 Mack LEU?
As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2012 Mack LEU:
Can I get help with 2012 Mack LEU 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 LEU Fuel and Emissions Systems?
Advance Auto Parts keeps returns simple. For new Mack LEU 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.
