2003 Western Star 4900FA Fuel and Emissions Systems
Find Your Specific 2003 Western Star 4900FA Fuel and Emissions Systems
Below you will find various in-demand Western Star Fuel and Emissions Systems, components and accessories for your 2003 4900FA. Advance Auto Parts has popular 4900FA parts like Fuel Pumps, Exhaust Gas Recirculation (EGR) Parts, Fuel Injectors and more. You’ll also find aftermarket and OEM Fuel and Emissions Systems for other 4900FA model years including
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2021,
2022 and more. Select a category of 2003 Western Star 4900FA Fuel and Emissions Systems below and start saving instantly.
Popular 2003 Western Star 4900FA Fuel and Emissions Systems Categories
Essential Fuel and Emissions Systems for 2003 Western Star 4900FAs
Cardone – Fuel Injector (Part No.2J-603)
from
$767.99
CARDONE Remanufactured Fuel Injectors provide an alternative plug and play solution to fuel delivery for diesel applications. All units are flow tested and balanced and replaced with new O-rings and gaskets. Each unit retains OEM duty cycle and pulse width ensuring reliable performance. All units are built to meet or exceed OEM performance, providing a quality product both you and your vehicle can rely on.
Product Features:
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Product Features:
- All gaskets, O-rings and bearings are replaced 100 percent to ensure optimal performance
- Each assembled unit is individually calibrated and tested to ensure it meets or exceeds O.E.M. form, fit and function
- All components are renewed or replaced as necessary to ensure high quality and durability
- When applicable, improvements based on typical failure modes of original units are incorporated into the design and manufacture of replacement component parts, which translates into longer service life and less down-time for the driver
- Guaranteed fit and function
- Meets or exceeds O.E.M. performance.
Delphi – Fuel Injector (Part No.EX631756)
from
$476.99
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:
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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
Cardone – Fuel Injector (Part No.2J-704)
from
$345.99
CARDONE Remanufactured Fuel Injectors provide an alternative plug and play solution to fuel delivery for diesel applications. All units are flow tested and balanced and replaced with new O-rings and gaskets. Each unit retains OEM duty cycle and pulse width ensuring reliable performance. All units are built to meet or exceed OEM performance, providing a quality product both you and your vehicle can rely on.
Product Features:
See More
Product Features:
- All gaskets, O-rings and bearings are replaced 100 percent to ensure optimal performance
- Each assembled unit is individually calibrated and tested to ensure it meets or exceeds O.E.M. form, fit and function
- All components are renewed or replaced as necessary to ensure high quality and durability
- When applicable, improvements based on typical failure modes of original units are incorporated into the design and manufacture of replacement component parts, which translates into longer service life and less down-time for the driver
- Guaranteed fit and function
- Meets or exceeds O.E.M. performance.
Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86812)
from
$93.99
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:
See More
Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Includes Port Thread: M95 x 2.5
Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86412)
from
$86.99
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:
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. Sensor Port Thread: 1/2-20
Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86651XE)
from
$45.99
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:
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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 – Heavy Duty Exhaust Gas Recirculation Cooler Gasket Kit (Part No.904-5007)
from
$113.99
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:
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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
Dorman – HD Solutions – EGR Cooler V-Band Clamp (Part No.904-5154)
from
$65.99
This exhaust gas recirculation (EGR) cooler clamp is designed to match the fit of the original clamp on specified vehicles and is recommended for replacement during EGR cooler service. It is engineered from stainless steel for reliable service life.
Product Features:
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Product Features:
- Direct replacement – this exhaust gas recirculation (EGR) cooler clamp is designed to match the fit of the original clamp and is recommended for replacement during EGR cooler service
- Ideal solution – engineered from stainless steel to withstand extreme heat and to resist corrosion
- 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 – Injector O-Ring Kit (Part No.904-8053)
from
$97.99
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:
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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 – Injector O-Ring Kit (Part No.904-8050)
from
$107.99
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:
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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 – Heavy Duty Exhaust Gas Recirculation Valve (Part No.904-5098)
from
$1202.99
This EGR valve is designed to match the fit and function of the original valve on specified vehicles. Made of quality materials, it is engineered for reliable performance and durability.
Product Features:
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Product Features:
- Direct replacement – this EGR valve is designed to match the fit and function of the original valve on specified vehicles
- Ideal solution – this valve is engineered to withstand extreme heat and carbon buildup, and is a reliable replacement for a failed original EGR valve
- Durable construction – made from quality components to ensure reliable performance and long service life
- Quality assured – backed by a team of product engineers based in the United States
Carquest Premium – Diesel Exhaust Fluid Filter for SCR Systems (Part No.96679)
from
$108.99
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 Plug and Filter Removal Tool
Carquest Premium – Urea Diesel Exhaust Fluid Filter (Part No.94179)
from
$107.99
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.
Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86422)
from
$60.99
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:
See More
Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Contains Sensor Port Thread: M14 x 2.0; Standpipe
- Includes Standpipe. Sensor Port Thread: M14 x 2.0
- CAUTION: Furnished D-Ring must be installed on post for seal. NOT Interchangeable with 86604.
Upgrade your 2003 Western Star 4900FA with Top-Quality Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2003 Western Star 4900FA, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Western Star or enhancing its overall performance, Fuel and Emissions Systems are key to keeping your 4900FA functioning at its best. At Advance Auto Parts, we offer a wide selection of 12 Fuel and Emissions Systems for the 2003 Western Star 4900FA, designed to meet your needs without breaking the bank.
From
Fuel Pump
replacements to
Exhaust Gas Recirculation (EGR) 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 2003 Western Star 4900FA at great prices.
Our Fuel and Emissions Systems inventory for this model
ranges from just $45.99 to $1,202.99, with
an average price of $197.49.
Our 12 Fuel and Emissions Systems in stock come from 3 trusted brands, so you’re sure to find the right part for your 2003 Western Star 4900FA without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 2003 Western Star 4900FA, we stock popular OEM and aftermarket Fuel and Emissions Systems from top names
like Carquest Premium, and more.
Carquest Premium Fuel and Emissions Systems
start at just $93.99 and boast an impressive 4.4 stars average rating from customers.
With 5 customer reviews and counting, our 2003 Western Star 4900FA Fuel and Emissions Systems have a strong track record of reliability, ensuring you can trust your purchase.
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 2003 Western Star 4900FA is always ready to roll. We’re committed to providing you with everything you need to keep your 4900FA in top shape, all in one place.
Start shopping confidently below for your 2003 Western Star 4900FA!
Best-Selling Fuel Pumps for 2003 Western Star 4900FAs
Enhance the driving experience in your Western Star with 4 quality Fuel Pump components, starting at $45.99.
Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86812)
from
$93.99
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:
See More
Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Includes Port Thread: M95 x 2.5
Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86651XE)
from
$45.99
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:
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: Quality Removal of Water and Contaminants from Fuel System (Part No.86422)
from
$60.99
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:
See More
Product Features:
- Designed to meet or exceed OE filter performance levels over the entire OE recommended service interval.
- Contains Sensor Port Thread: M14 x 2.0; Standpipe
- Includes Standpipe. Sensor Port Thread: M14 x 2.0
- CAUTION: Furnished D-Ring must be installed on post for seal. NOT Interchangeable with 86604.
Carquest Premium – Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (Part No.86412)
from
$86.99
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:
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. Sensor Port Thread: 1/2-20
Most Popular 2003 Western Star 4900FA Exhaust Gas Recirculation (EGR) Parts
Customize your Western Star with 3 Exhaust Gas Recirculation (EGR) Parts products
like EGR Valve Gaskets,
EGR Valves, and
EGR Cooler Clamps, all
priced under $1,202.99.
Dorman – HD Solutions – Heavy Duty Exhaust Gas Recirculation Cooler Gasket Kit (Part No.904-5007)
from
$113.99
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:
See More
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
Dorman – HD Solutions – Heavy Duty Exhaust Gas Recirculation Valve (Part No.904-5098)
from
$1202.99
This EGR valve is designed to match the fit and function of the original valve on specified vehicles. Made of quality materials, it is engineered for reliable performance and durability.
Product Features:
See More
Product Features:
- Direct replacement – this EGR valve is designed to match the fit and function of the original valve on specified vehicles
- Ideal solution – this valve is engineered to withstand extreme heat and carbon buildup, and is a reliable replacement for a failed original EGR valve
- Durable construction – made from quality components to ensure reliable performance and long service life
- Quality assured – backed by a team of product engineers based in the United States
Dorman – HD Solutions – EGR Cooler V-Band Clamp (Part No.904-5154)
from
$65.99
This exhaust gas recirculation (EGR) cooler clamp is designed to match the fit of the original clamp on specified vehicles and is recommended for replacement during EGR cooler service. It is engineered from stainless steel for reliable service life.
Product Features:
See More
Product Features:
- Direct replacement – this exhaust gas recirculation (EGR) cooler clamp is designed to match the fit of the original clamp and is recommended for replacement during EGR cooler service
- Ideal solution – engineered from stainless steel to withstand extreme heat and to resist corrosion
- 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 2003 Western Star 4900FA Fuel Injectors
Upgrade Western Star 4900FAs with top-quality Fuel Injectors parts, including 4 OEM and aftermarket selections for your 2003 model.
Cardone – Fuel Injector (Part No.2J-703)
from
$426.99
CARDONE Remanufactured Fuel Injectors provide an alternative plug and play solution to fuel delivery for diesel applications. All units are flow tested and balanced and replaced with new O-rings and gaskets. Each unit retains OEM duty cycle and pulse width ensuring reliable performance. All units are built to meet or exceed OEM performance, providing a quality product both you and your vehicle can rely on.
Product Features:
See More
Product Features:
- All gaskets, O-rings and bearings are replaced 100 percent to ensure optimal performance
- Each assembled unit is individually calibrated and tested to ensure it meets or exceeds O.E.M. form, fit and function
- All components are renewed or replaced as necessary to ensure high quality and durability
- When applicable, improvements based on typical failure modes of original units are incorporated into the design and manufacture of replacement component parts, which translates into longer service life and less down-time for the driver
- Guaranteed fit and function
- Meets or exceeds O.E.M. performance.
Cardone – Fuel Injector (Part No.2J-704)
from
$345.99
CARDONE Remanufactured Fuel Injectors provide an alternative plug and play solution to fuel delivery for diesel applications. All units are flow tested and balanced and replaced with new O-rings and gaskets. Each unit retains OEM duty cycle and pulse width ensuring reliable performance. All units are built to meet or exceed OEM performance, providing a quality product both you and your vehicle can rely on.
Product Features:
See More
Product Features:
- All gaskets, O-rings and bearings are replaced 100 percent to ensure optimal performance
- Each assembled unit is individually calibrated and tested to ensure it meets or exceeds O.E.M. form, fit and function
- All components are renewed or replaced as necessary to ensure high quality and durability
- When applicable, improvements based on typical failure modes of original units are incorporated into the design and manufacture of replacement component parts, which translates into longer service life and less down-time for the driver
- Guaranteed fit and function
- Meets or exceeds O.E.M. performance.
Cardone – Fuel Injector (Part No.2J-702)
from
$304.99
CARDONE Remanufactured Fuel Injectors provide an alternative plug and play solution to fuel delivery for diesel applications. All units are flow tested and balanced and replaced with new O-rings and gaskets. Each unit retains OEM duty cycle and pulse width ensuring reliable performance. All units are built to meet or exceed OEM performance, providing a quality product both you and your vehicle can rely on.
Product Features:
See More
Product Features:
- All gaskets, O-rings and bearings are replaced 100 percent to ensure optimal performance
- Each assembled unit is individually calibrated and tested to ensure it meets or exceeds O.E.M. form, fit and function
- All components are renewed or replaced as necessary to ensure high quality and durability
- When applicable, improvements based on typical failure modes of original units are incorporated into the design and manufacture of replacement component parts, which translates into longer service life and less down-time for the driver
- Guaranteed fit and function
- Meets or exceeds O.E.M. performance.
Dorman – HD Solutions – Injector O-Ring Kit (Part No.904-8053)
from
$97.99
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
In-Demand Diesel Emission Parts for 2003 Western Star 4900FAs
Select from 1 premium Diesel Emission Parts parts for your 2003 Western Star 4900FA.
Carquest Premium – Diesel Exhaust Fluid Filter for SCR Systems (Part No.96679)
from
$108.99
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 Plug and Filter Removal Tool
Top-Rated Fuel and Emissions Systems Brands For Your 2003 Western Star 4900FA
Shop for the best-rated brands offering Fuel and Emissions Systems and other products for your 2003 Western Star 4900FAs. Below you’ll find some of our best rated Fuel and Emissions Systems from Carquest Premium, and more. Fuel and Emissions Systems from these brands that fit a 2003 4900FA start at just $93.99 and are rated as high as 4.4 stars. OEM and aftermarket Fuel and Emissions Systems don’t get more top quality, durable, and affordable than from the brands below.
Popular Carquest Premium 2003 Western Star 4900FA Fuel and Emissions Systems
When it comes to maintaining or upgrading your 2003 Western Star 4900FA, using quality Fuel and Emissions Systems is essential to ensure durability and a perfect fit. Carquest Premium ticks all of those boxes. We offer a wide selection of Carquest Premium Fuel and Emissions Systems, specifically designed for the 2003 Western Star 4900FA. With over 1 Carquest Premium brand Fuel and Emissions Systems in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $93.99. Plus, with over 5 customer reviews and an average rating of 4.4 stars, you can trust that our Carquest Premium Fuel and Emissions Systems will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$93.99
(5)
Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System
“Just when I needs it”
FAQs for 2003 Western Star 4900FA Fuel and Emissions Systems
Which Fuel and Emissions Systems are best-sellers for 2003 Western Star 4900FAs?
Out of 12 Fuel and Emissions Systems that fit 2003 Western Star 4900FAs, the following parts are the top sellers:
- Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10556575) – $45.99
- Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10693754) – $60.99
- Diesel Exhaust Fluid Filter for SCR Systems (12005494) – $108.99
What’s the price range for 2003 Western Star 4900FA Fuel and Emissions Systems?
Fuel and Emissions System prices for the 2003 Western Star 4900FA start at $45.99 and go up to $1,202.99 for the most premium parts.
What’s the average price of a Fuel and Emissions System for a 2003 Western Star 4900FA?
The average price for Fuel and Emissions Systems for the 2003 Western Star 4900FA is $197.49. 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 Western Star 4900FA model years?
What are the cheapest Fuel and Emissions Systems for my 2003 Western Star 4900FA?
The cheapest 2003 Western Star 4900FA Fuel and Emissions Systems we carry in stock are:
- Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10556575) – $45.99
- Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10693754) – $60.99
- EGR Cooler V-Band Clamp (12102351) – $65.99
- Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10693817) – $86.99
- Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10693791) – $93.99
What are the top-rated Fuel and Emissions Systems that fit the 2003 Western Star 4900FA?
Out of 5 reviews by customers, our 2003 Western Star 4900FA Fuel and Emissions Systems have an average customer rating of . These are some of the highest-rated Fuel and Emissions System types for the 2003 Western Star 4900FA and their top-rated products:
- Fuel Pumps
- Fuel/Water Separator: Quality Removal of Water and Contaminants from Fuel System (10693791) – $93.99
What types of Fuel and Emissions Systems do you sell for my 2003 Western Star 4900FA?
As of 11/2/25, these are some of the most in-demand types of Fuel and Emissions Systems for a 2003 Western Star 4900FA:
Can I get help with 2003 Western Star 4900FA 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 Western Star Fuel and Emissions Systems and more.
What is your return policy for Western Star 4900FA Fuel and Emissions Systems?
Advance Auto Parts keeps returns simple. For new Western Star 4900FA 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.
