2004 Freightliner MT45 Fuel and Emissions Systems
Find Your Specific 2004 Freightliner MT45 Fuel and Emissions Systems
Below you will find various in-demand Freightliner Fuel and Emissions Systems, components and accessories for your 2004 MT45. Advance Auto Parts has popular MT45 parts like Fuel Pumps, Fuel Sensors, Diesel Fuel Injectors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other MT45 model years including
2013,
2014,
2015,
2016,
2017,
2018,
2019,
2021,
2022 and more. Select a category of 2004 Freightliner MT45 Fuel and Emissions Systems below and start saving instantly.
Popular 2004 Freightliner MT45 Fuel and Emissions Systems Categories
Essential Fuel and Emissions Systems for 2004 Freightliner MT45s
Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8054)
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:
See More
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
Dorman – HD Solutions – Fuel Injector O-Ring Kit (Part No.904-8055)
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:
See More
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
Dorman – HD Solutions – Fuel Tank Strap (Part No.578-5201)
from
$189.99
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:
See More
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
Carquest Premium – Diesel Exh Fluid Kit (Part No.96877)
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:
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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
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 – Extra-Large, Extended-Mileage Fuel/Water Separator Element (Part No.86651XE)
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:
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Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Made in USA
Dorman – HD Solutions – Water In Fuel Sensor (Part No.904-7370)
from
$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:
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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
Carquest Premium – Fuel/Water Separator Spin-on with Drain (Part No.86813)
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:
See More
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
Upgrade your 2004 Freightliner MT45 with Top-Quality Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2004 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 6 Fuel and Emissions Systems for the 2004 Freightliner MT45, designed to meet your needs without breaking the bank.
From
Fuel Pump
replacements to
Fuel Sensors
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 2004 Freightliner MT45 at great prices.
Our Fuel and Emissions Systems inventory for this model
ranges from just $38.49 to $189.99, with
an average price of $104.82.
Our 6 Fuel and Emissions Systems in stock come from 2 trusted brands, so you’re sure to find the right part for your 2004 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 2004 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 2004 Freightliner MT45!
Best-Selling Fuel Pumps for 2004 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)
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:
See More
Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Made in USA
Carquest Premium – Fuel/Water Separator Spin-on with Drain (Part No.86813)
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:
See More
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
Most Popular 2004 Freightliner MT45 Fuel Sensors
Customize your Freightliner with 1 Fuel Sensors products
like Water In Fuel Sensors, all
priced under $55.99.
Dorman – HD Solutions – Water In Fuel Sensor (Part No.904-7370)
from
$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:
See More
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
Top Picks for 2004 Freightliner MT45 Diesel Fuel Injectors
Upgrade Freightliner MT45s with top-quality Diesel Fuel Injectors parts, including 1 OEM and aftermarket selections for your 2004 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
In-Demand Fuel Tanks for 2004 Freightliner MT45s
Select from 1 premium Fuel Tanks parts for your 2004 Freightliner MT45.
Dorman – HD Solutions – Fuel Tank Strap (Part No.578-5201)
from
$189.99
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:
See More
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
Most Sold 2004 Freightliner MT45 Fuel Injectors
Explore our best-selling Freightliner parts for the 2004 MT45 among 1 OEM and aftermarket options starting from $38.49.
Dorman – HD Solutions – Fuel Injector O-Ring Kit (Part No.904-8055)
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:
See More
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
FAQs for 2004 Freightliner MT45 Fuel and Emissions Systems
Which Fuel and Emissions Systems are best-sellers for 2004 Freightliner MT45s?
Out of 6 Fuel and Emissions Systems that fit 2004 Freightliner MT45s, the following parts are the top sellers:
- Extra-Large, Extended-Mileage Fuel/Water Separator Element (10556575) – $44.99
- Fuel Tank Strap (11208740) – $189.99
- Carquest Diesel Exhaust Fluid Filter for SCR Systems (12005494) – $106.99
What’s the price range for 2004 Freightliner MT45 Fuel and Emissions Systems?
Fuel and Emissions System prices for the 2004 Freightliner MT45 start at $38.49 and go up to $189.99 for the most premium parts.
What’s the average price of a Fuel and Emissions System for a 2004 Freightliner MT45?
The average price for Fuel and Emissions Systems for the 2004 Freightliner MT45 is $104.82. 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?
What are the cheapest Fuel and Emissions Systems for my 2004 Freightliner MT45?
The cheapest 2004 Freightliner MT45 Fuel and Emissions Systems we carry in stock are:
- Fuel Injector O-Ring Kit (12110241) – $38.49
- Extra-Large, Extended-Mileage Fuel/Water Separator Element (10556575) – $44.99
- Water In Fuel Sensor (50208019) – $55.99
- Fuel/Water Separator Spin-on with Drain (10693779) – $81.99
- Carquest Diesel Exhaust Fluid Filter for SCR Systems (12005494) – $106.99
What types of Fuel and Emissions Systems do you sell for my 2004 Freightliner MT45?
As of 2/5/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2004 Freightliner MT45:
Can I get help with 2004 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.
