2015 Freightliner MT45 Fuel and Emissions Systems

Essential Fuel and Emissions Systems for 2015 Freightliner MT45s

Dorman – HD Solutions – Fuel Injector O-Ring Kit (Part No.904-8055)

Fuel Injector O-Ring Kit

from

$38.49
The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:
  • Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles.
  • Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are 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
See More

Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8054)

Injector O-Ring Kit

from

$132.99
The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:
  • Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles.
  • Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are 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
See More

Dorman – HD Solutions – DPF Gasket And Clamp Kit (Part No.674-9030)

DPF Gasket And Clamp Kit

from

$201.99
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:
  • 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
See More

Carquest Premium – Locking DEF Cap (Part No.10525)

Locking DEF Cap

from

$28.99
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:
  • 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
See More

Carquest Premium – DEF Fuel Cap (Part No.10855)

DEF Fuel Cap

from

$14.29
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:
  • 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
See More

Carquest Premium – Extra-Large, Extended-Mileage Fuel/Water Separator Element (Part No.86651XE)

Extra-Large, Extended-Mileage Fuel/Water Separator Element

from

$44.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
See More

Carquest Premium – Carquest Diesel Exhaust Fluid Filter for SCR Systems (Part No.96679)

Carquest Diesel Exhaust Fluid Filter for SCR Systems

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:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Contains Plug and Filter Removal Tool
See More

Carquest Premium – Diesel Exh Fluid Kit (Part No.96877)

Diesel Exh Fluid Kit

from

$317.99
Carquest Diesel Exhaust Fluid (DEF) Filters remove contaminants to ensure proper function of your vehicle’s Selective Catalytic Reduction (SCR) system.

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
See More

Carquest Premium – Fuel/Water Separator Spin-on with Drain (Part No.86813)

Fuel/Water Separator Spin-on with Drain

from

$81.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Application engineered media which aids in stripping water in diesel fuels
  • Patent pending drain, metal end caps, which hold media in place
  • Rust resistant can, ensuring no leakage from inside
  • Made in USA
  • Includes Integral Post Seal
See More

Dorman – HD Solutions – Diesel Particulate Filter Gasket (Part No.674-9004)

Diesel Particulate Filter Gasket

from

$77.99
When the diesel particulate filter (DPF) is failed or damaged, service it thoroughly by installing this direct replacement gasket. Made of durable materials for reliable service, it matches the function of the factory part and ensures a tight seal to the DPF.

Product Features:
  • Direct replacement – this diesel particulate filter (DPF) gasket matches the original gasket required to repair the DPF on specified vehicles.
  • Ideal solution – this gasket is a reliable replacement for an original part that is damaged, failed or missing
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – HD Solutions – Diesel Particulate Filter Gasket (Part No.674-9043)

Diesel Particulate Filter Gasket

from

$20.29
When the diesel particulate filter (DPF) is failed or damaged, service it thoroughly by installing this direct replacement gasket. Made of durable materials for reliable service, it matches the function of the factory part and ensures a tight seal to the DPF.

Product Features:
  • Direct replacement – this diesel particulate filter (DPF) gasket matches the original gasket required to repair the DPF on specified vehicles.
  • Ideal solution – this gasket is a reliable replacement for an original part that is damaged, failed or missing
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – HD Solutions – DPF Exhaust Clamp (Part No.674-7000)

DPF Exhaust Clamp

from

$63.99
This diesel particulate filter (DPF) clamp is designed to match the fit and function of the original clamp on specified vehicles. It is engineered to help tightly secure the DPF filter when the original clamp is fatigued from normal use, damaged, or missing.

Product Features:
  • Direct replacement – this DPF clamp matches the fit and function of the original equipment clamp on specified vehicles.
  • Ideal solution – engineered to help tightly secure the DPF filter when the original clamp is fatigued from normal use, damaged, or missing
  • 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
See More

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

Dpf Differential Pressure Sensor

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:
  • 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

Upgrade your 2015 Freightliner MT45 with Top-Quality Fuel and Emissions Systems

When it comes to maintaining or upgrading your 2015 Freightliner MT45, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Freightliner or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your MT45 functioning at its best. At Advance Auto Parts, we offer a wide selection of 11 Fuel and Emissions Systems for the 2015 Freightliner MT45, designed to meet your needs without breaking the bank. From Fuel Pump replacements to Diesel 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 2015 Freightliner MT45 at great prices. Our Fuel and Emissions Systems inventory for this model ranges from just $14.29 to $201.99, with an average price of $63.84. Our 11 Fuel and Emissions Systems in stock come from 2 trusted brands, so you’re sure to find the right part for your 2015 Freightliner MT45 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 2015 Freightliner MT45 is always ready to roll. We’re committed to providing you with everything you need to keep your MT45 in top shape, all in one place. Start shopping confidently below for your 2015 Freightliner MT45!

Best-Selling Fuel Pumps for 2015 Freightliner MT45s

Enhance the driving experience in your Freightliner with 2 quality Fuel Pump components, starting at $44.99.

Carquest Premium – Extra-Large, Extended-Mileage Fuel/Water Separator Element (Part No.86651XE)

Extra-Large, Extended-Mileage Fuel/Water Separator Element

from

$44.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Made in USA
See More

Carquest Premium – Fuel/Water Separator Spin-on with Drain (Part No.86813)

Fuel/Water Separator Spin-on with Drain

from

$81.99
Modern fuel injection systems require fuel be free of both particulate and water contamination. Carquest spin-on fuel filters keep fuel clean and engines running at maximum efficiency.

Product Features:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Application engineered media which aids in stripping water in diesel fuels
  • Patent pending drain, metal end caps, which hold media in place
  • Rust resistant can, ensuring no leakage from inside
  • Made in USA
  • Includes Integral Post Seal
See More

Most Popular 2015 Freightliner MT45 Diesel Fuel Injectors

Customize your Freightliner with 3 Diesel Fuel Injectors products like Diesel Emissions Filler Caps and Diesel Emissions Fluid Filters, all priced under $106.99.

Carquest Premium – Locking DEF Cap (Part No.10525)

Locking DEF Cap

from

$28.99
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:
  • 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
See More

Carquest Premium – DEF Fuel Cap (Part No.10855)

DEF Fuel Cap

from

$14.29
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:
  • 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
See More

Carquest Premium – Carquest Diesel Exhaust Fluid Filter for SCR Systems (Part No.96679)

Carquest Diesel Exhaust Fluid Filter for SCR Systems

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:
  • Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
  • Contains Plug and Filter Removal Tool
See More

Top Picks for 2015 Freightliner MT45 Exhaust Gas Recirculation (EGR) Parts

Upgrade Freightliner MT45s with top-quality Exhaust Gas Recirculation (EGR) Parts parts, including 1 OEM and aftermarket selections for your 2015 model.

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

Dpf Differential Pressure Sensor

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:
  • 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

In-Demand Fuel Injectors for 2015 Freightliner MT45s

Select from 2 premium Fuel Injectors parts for your 2015 Freightliner MT45, with prices ranging from $38.49 to $132.99.

Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8054)

Injector O-Ring Kit

from

$132.99
The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:
  • Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles.
  • Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are 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
See More

Dorman – HD Solutions – Fuel Injector O-Ring Kit (Part No.904-8055)

Fuel Injector O-Ring Kit

from

$38.49
The components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles. They are engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are damaged.

Product Features:
  • Direct replacements – the components in this fuel injector O-ring kit are designed to match the fit of the original O-rings on specified vehicles.
  • Ideal solution – engineered to help ensure leak-free connections to the fuel injectors during service or when the rings are 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
See More

Most Sold 2015 Freightliner MT45 Diesel Emission Parts

Explore our best-selling Freightliner parts for the 2015 MT45 among 3 OEM and aftermarket options starting from $63.99.

Dorman – HD Solutions – DPF Gasket And Clamp Kit (Part No.674-9030)

DPF Gasket And Clamp Kit

from

$201.99
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:
  • 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
See More

Dorman – HD Solutions – Diesel Particulate Filter Gasket (Part No.674-9004)

Diesel Particulate Filter Gasket

from

$77.99
When the diesel particulate filter (DPF) is failed or damaged, service it thoroughly by installing this direct replacement gasket. Made of durable materials for reliable service, it matches the function of the factory part and ensures a tight seal to the DPF.

Product Features:
  • Direct replacement – this diesel particulate filter (DPF) gasket matches the original gasket required to repair the DPF on specified vehicles.
  • Ideal solution – this gasket is a reliable replacement for an original part that is damaged, failed or missing
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
See More

Dorman – HD Solutions – DPF Exhaust Clamp (Part No.674-7000)

DPF Exhaust Clamp

from

$63.99
This diesel particulate filter (DPF) clamp is designed to match the fit and function of the original clamp on specified vehicles. It is engineered to help tightly secure the DPF filter when the original clamp is fatigued from normal use, damaged, or missing.

Product Features:
  • Direct replacement – this DPF clamp matches the fit and function of the original equipment clamp on specified vehicles.
  • Ideal solution – engineered to help tightly secure the DPF filter when the original clamp is fatigued from normal use, damaged, or missing
  • 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
See More

FAQs for 2015 Freightliner MT45 Fuel and Emissions Systems

Which Fuel and Emissions Systems are best-sellers for 2015 Freightliner MT45s?

Out of 11 Fuel and Emissions Systems that fit 2015 Freightliner MT45s, the following parts are the top sellers:

What’s the price range for 2015 Freightliner MT45 Fuel and Emissions Systems?

Fuel and Emissions System prices for the 2015 Freightliner MT45 start at $14.29 and go up to $201.99 for the most premium parts.

What’s the average price of a Fuel and Emissions System for a 2015 Freightliner MT45?

The average price for Fuel and Emissions Systems for the 2015 Freightliner MT45 is $63.84. 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 Freightliner MT45 model years?

Yes, we currently carry Fuel and Emissions Systems for 25 model years of Freightliner MT45s between 1998 and 2024. Fuel and Emissions Systems are bought most frequently for the following model years: 2022, 2021, 2019, 2018, 2017, 2016, 2014, 2013, and 2012.

What are the cheapest Fuel and Emissions Systems for my 2015 Freightliner MT45?

The cheapest 2015 Freightliner MT45 Fuel and Emissions Systems we carry in stock are:

What types of Fuel and Emissions Systems do you sell for my 2015 Freightliner MT45?

As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2015 Freightliner MT45:

Can I get help with 2015 Freightliner MT45 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 Freightliner Fuel and Emissions Systems and more.

What is your return policy for Freightliner MT45 Fuel and Emissions Systems?

Advance Auto Parts keeps returns simple. For new Freightliner MT45 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.