Freightliner MT45 Fuel and Emissions Systems

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Essential Freightliner MT45 Fuel and Emissions Systems

Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86813)

Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System

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$85.99
Carquest Premium Fuel/Water Separator Filters remove water and other impurities from the fuel before it reaches your engine fuel system. These filters effectively separate water from the fuel, preventing corrosion and damage to fuel injectors, pumps and other critical engine components. By keeping the fuel clean and water-free, these filters help ensure optimal combustion, improve engine efficiency, and reduce emissions. Carquest Premium Fuel/Water Separator Filters are designed to meet or exceed the performance requirements of the Original Equipment Manufacturer (OEM).

Product Features:
  • Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
  • Efficient Water Removal: Separates damaging water and contaminants from fuel to protect sensitive fuel system components.
  • Enhances Engine Performance:┐Delivers clean, water-free fuel for optimal combustion and efficiency.
  • Rust resistant can, ensuring no leakage from inside
  • Made in USA
  • Includes Integral Post Seal
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Carquest Premium – Diesel Exhaust Fluid Filter Kit (Part No.96877)

Diesel Exhaust Fluid Filter Kit

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$328.99
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:
  • Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
  • Effective Contaminant Removal:┐Filters out dirt, debris, and particulates from diesel exhaust fluid.
  • Maintains System Efficiency:┐Ensures proper DEF flow for breaking down harmful gases.
  • Enhances Engine Performance:┐Promotes cleaner combustion and reliable engine operation.
  • Supports Environmental Compliance:┐Helps vehicles meet stringent emission regulations.
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Dorman – HD Solutions – Water In Fuel Sensor (Part No.904-7370)

Water In Fuel Sensor

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$55.99
This replacement water-in-fuel (WiF) sensor matches the function and performance of the original equipment sensor to prevent water damaging a diesel fuel injector. Made of quality materials, it has undergone extensive testing to ensure durability.

Product Features:
  • Ideal replacement – this water-in-fuel (WiF) sensor matches the original equipment sensor’s function and performance
  • Durable construction – this sensor is made of durable materials to withstand exposure to diesel fuel
  • Cost-effective solution – offers original equipment quality at competitive price
  • Quality tested – this part has undergone vehicle try-on and bench testing to ensure a quality fit and long service life
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Dorman – HD Solutions – Heavy Duty Exhaust Gas Recirculation Cooler Gasket Kit (Part No.904-5013)

Heavy Duty Exhaust Gas Recirculation Cooler Gasket Kit

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$35.99
Tight seals are essential to proper EGR cooler operation. This EGR cooler gasket kit contains all the gaskets and seals required to ensure a solid repair. Made of quality materials, this kit is a direct replacement for original equipment parts.

Product Features:
  • Direct replacement – this exhaust gas recirculation (EGR) gasket kit matches the original equipment gaskets for this vehicle application
  • Durable construction – the components in this EGR cooler gasket kit are made of quality materials for a secure fit and excellent durability
  • Convenient solution – the gaskets in this kit should be replaced whenever repairs are performed on the EGR cooler, intake manifold or oil cooler
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and long service life
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Dorman – HD Solutions – Manifold Air Pressure Sensor (Part No.904-7124)

Manifold Air Pressure Sensor

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$114.99
This manifold absolute pressure sensor is designed to match the function of an original sensor on specified vehicles, and to help accurately monitor manifold pressure when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this manifold absolute pressure sensor is designed to match the fit and function of the original sensor on specified vehicles
  • Ideal solution – engineered to help accurately monitor manifold pressure 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
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DAYTON PARTS – WIRING HARNESS (Part No.311-0015)

WIRING HARNESS

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$175.99
WIRING HARNESS

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

Injector O-Ring Kit

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$146.99
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
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Dorman – HD Solutions – HD Diesel Particulate Filter (Part No.674-2004)

HD Diesel Particulate Filter

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$2401.00
This diesel particulate filter (DPF) 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:
  • Direct replacement – this diesel particulate filter (DPF) 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
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Carquest Premium – Locking Diesel Emissions Fluid Cap (Part No.10525)

Locking Diesel Emissions Fluid Cap

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$30.99
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
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Dorman – HD Solutions – Fuel Tank Strap (Part No.578-5201)

Fuel Tank Strap

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$208.99
Recommended for replacement whenever the fuel tank is replaced or serviced, this strap is a direct replacement for the original. Manufactured from durable materials to withstand harsh road and weather conditions.

Product Features:
  • Direct replacement – this fuel tank strap matches the fit, function and performance of the original part
  • Ideal solution – recommended for replacement when the fuel tank is serviced or replaced
  • Durable construction – manufactured from quality materials for superior service and reliability
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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Dorman – HD Solutions – Diesel Exhaust Fluid Filter (Part No.904-7934)

Diesel Exhaust Fluid Filter

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$50.99
This diesel exhaust fluid (DEF) urea filter kit matches the fit and function of the original equipment filter to effectively prevent crystals and contaminants from entering the DEF system. This filter kit has been on-vehicle tested for quality.

Product Features:
  • Ideal replacement – this DEF urea filter kit matches the fit and function of the original equipment urea filter
  • Durable construction – this filter kit is made with quality materials and components for reliable service
  • Cost-effective solution – offers original equipment quality at a competitive price
  • Quality tested – this part has undergone on-vehicle testing to ensure a quality fit and long service life
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Carquest Premium – Diesel Exhaust Fluid Filter for SCR Systems (Part No.96679)

Diesel Exhaust Fluid Filter for SCR Systems

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$112.99
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:
  • Original Equipment Manufacturer (OEM) Design: Designed to meet or exceed OEM performance standards.
  • Effective Contaminant Removal:┐Filters out dirt, debris, and particulates from diesel exhaust fluid.
  • Maintains System Efficiency:┐Ensures proper DEF flow for breaking down harmful gases.
  • Enhances Engine Performance:┐Promotes cleaner combustion and reliable engine operation.
  • Supports Environmental Compliance:┐Helps vehicles meet stringent emission regulations.
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Dorman – HD Solutions – Common Rail Fuel Pressure Sensor (Part No.904-7149)

Common Rail Fuel Pressure Sensor

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$508.99
This fuel injection fuel rail pressure sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this fuel injection fuel rail pressure sensor is designed to match the fit and function of the original sensor on specified vehicles
  • Ideal solution – this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction
  • Durable construction – this sensor is made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Dorman – HD Solutions – Dpf Differential Pressure Sensor (Part No.904-7127)

Dpf Differential Pressure Sensor

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$106.99
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
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Dorman – HD Solutions – DPF Gasket and Clamp Kit (Part No.674-9030)

DPF Gasket and Clamp Kit

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$222.99
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
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Delphi – Fuel Injector (Part No.EX631063)

Fuel Injector

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$145.99
Delphi knows OE technology and how to service diesel systems. For more than 60 years, we have partnered with 25 OEM’s to bring our OE diesel powertrain knowledge and expertise to the aftermarket. Delphi diesel systems operate at high performance to meet today’s tough emissions standards and are built to OE specifications for the fit, form, and function technicians expect. Trust Delphi for an unrivalled, cost-effective diesel program to help build your business.

Product Features:
  • 100% O Ring replacement
  • All Delphi injectors are tested utilizing OE methodologies
  • Delphi injectors are produced in a Delphi ISO 9001:2008 certified facility
  • No internal seal rings equals minimized leakage
  • Recessed fuel exit minimizing possible plugging
  • Reduced spray variation, accurate fuel spray pattern mean better emissions and cold start capabilities
  • Thermally isolates fuel from engine by drawing manifold heat away from the fuel rail eliminating engine hesitation due to vapor lock
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DAYTON PARTS – HD DOC (Part No.674-2107)

HD DOC

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$3408.99
HD DOC

DAYTON PARTS – HD DOC (Part No.674-2104)

HD DOC

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$3203.99
HD DOC

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

DPF Exhaust Clamp

from

$70.99
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
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Dorman – HD Solutions – Diesel Particulate Filter Gasket (Part No.674-9004)

Diesel Particulate Filter Gasket

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$85.99
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
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Dorman – HD Solutions – Diesel Particulate Filter Gasket (Part No.674-9043)

Diesel Particulate Filter Gasket

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$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
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Carquest Premium – HD Locking Fuel Cap (Part No.10421)

HD Locking Fuel Cap

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$99.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Protects your fuel from theft and vandalism
  • Manufactured from durable, long-life materials
  • Independently tested for emission control
  • Passes all state and federal emissions tests
  • Reduces air pollution with proper sealing and venting
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Carquest Premium – HD Fuel Cap (Part No.10611)

HD Fuel Cap

from

$53.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Manufactured from durable, long-life materials
  • Independently tested for emission control
  • Passes all state and federal emissions tests
  • Passes all state and federal emissions tests
  • Reduces air pollution with proper sealing and venting
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Helping You Find the Right Fuel and Emissions Systems for Your Freightliner MT45

You love your MT45. So we’ve made it easier than ever to help you find Freightliner MT45 Fuel and Emissions Systems in our online catalog. Our inventory holds 26 aftermarket and OEM Fuel and Emissions Systems for your Freightliner MT45, ranging from $16.99 to $3,408.99.

We offer parts from 4 brands trusted to make quality Fuel and Emissions Systems for your Freightliner MT45.

Find your MT45 Fuel and Emissions Systems here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Freightliner MT45 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Fuel and Emissions Systems Brands for Your Freightliner MT45

Our inventory holds Fuel and Emissions Systems for your Freightliner MT45 from 4 trusted brands. You’ll find OEM and aftermarket parts from brands like Carquest Premium, Dorman, and Delphi, all of which can keep that Freightliner happy.

FAQs for Freightliner MT45 Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the Freightliner MT45?

Out of 26 Fuel and Emissions Systems for the Freightliner MT45, the most popular in our inventory are:
Locking Diesel Emissions Fluid Cap
from $30.99
This product is not rated
Locking Diesel Emissions Fluid Cap
Diesel Emissions Filler Caps
Diesel Emissions Fluid Cap
from $16.99
This product is not rated
Diesel Emissions Fluid Cap
Diesel Emissions Filler Caps
Fuel Tank Strap
from $208.99
This product is not rated
Fuel Tank Strap
Fuel Tank Straps