2009 Western Star 4900EX Diesel Fuel Injectors
Keep Your 2009 Western Star 4900EX in Top Shape with Quality Diesel Fuel Injectors
Whether you’re repairing or upgrading your Diesel Fuel Injector, using high-quality parts is key to keeping your 2009 Western Star 4900EX looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Diesel Oxidation Catalysts and Diesel Emissions Fluid Filters. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 2009 Western Star 4900EX Diesel Fuel Injector at Advance Auto Parts is around $1,922.49, with a range that starts at $324.99 and goes up to $3,519.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like HD Diesel Oxidation Catalyst – Not For Sale – CA and Diesel Exhaust Fluid Filter Kit start at just $324.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Diesel Fuel Injector, don’t forget to check out other key components like Fuel Injectors and Fuel Pumps. At Advance Auto Parts, we’re here to help you keep your 2009 Western Star 4900EX in peak condition, inside and out.
Find Your Specific 2009 Western Star 4900EX Diesel Fuel Injectors
Looking for the perfect Diesel Fuel Injector for your 2009 Western Star 4900EX? You’re in the right place. Below, you’ll find links to various types of Diesel Fuel Injectors that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Diesel Fuel Injectors, ensuring durability and a precise fit for your Western Star 4900EX. Whether you’re driving a 2009 model or another popular model year like
2014,
2015,
2016,
2017,
2018,
2019,
2020,
2021, and
2022, we’ve got you covered. Purchasing Diesel Fuel Injectors from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Diesel Fuel Injectors that fit your vehicle.
Essential 2009 Western Star 4900EX Diesel Fuel Injectors
DAYTON PARTS – HD DOC (Part No.674-2082)
from
$4179.99
HD DOC
Dorman – HD Solutions – HD Diesel Oxidation Catalyst – Not For Sale – CA (Part No.674-3104)
from
$3519.99
This diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles
- Restores functionality – reliable replacement for an original part that has failed due to corrosion
- 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
DAYTON PARTS – HD DOC (Part No.674-2122)
from
$5008.99
HD DOC
Carquest Premium – Diesel Exhaust Fluid Filter Kit (Part No.96877)
from
$324.99
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 Frost Compensation Membrane, Spray Lubricant, Instruction Sheet
Popular 2009 Western Star 4900EX Diesel Fuel Injectors Categories
Most Popular Diesel Oxidation Catalyst for 2009 Western Star 4900EXes
Enhance your 2009 Western Star 4900EX with this popular Diesel Oxidation Catalyst we have in stock, for $3,519.99.
Dorman – HD Solutions – HD Diesel Oxidation Catalyst – Not For Sale – CA (Part No.674-3104)
from
$3519.99
This diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
See More
Product Features:
- Direct replacement – this diesel oxidation catalyst is designed to match the fit and function of the original catalyst on specified vehicles
- Restores functionality – reliable replacement for an original part that has failed due to corrosion
- 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
Best-Selling 2009 Western Star 4900EX Diesel Emissions Fluid Filter
Upgrade your 4900EX with our best-selling Diesel Emissions Fluid Filter.
Carquest Premium – Diesel Exhaust Fluid Filter Kit (Part No.96877)
from
$324.99
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 Frost Compensation Membrane, Spray Lubricant, Instruction Sheet
FAQs for 2009 Western Star 4900EX Diesel Fuel Injectors
What are the best-selling Diesel Fuel Injectors for 2009 Western Star 4900EXes?
Out of 2 Diesel Fuel Injectors that fit 2009 Western Star 4900EXes, the following parts are the top sellers:
- HD Diesel Oxidation Catalyst – Not For Sale – CA (11921018) – $3,519.99
- Diesel Exhaust Fluid Filter Kit (12501680) – $324.99
What’s the price range for 2009 Western Star 4900EX Diesel Fuel Injectors?
The prices of Diesel Fuel Injectors for the 2009 Western Star 4900EX range from $324.99 up to $3,519.99 for the most premium parts.
What is the average price of a Diesel Fuel Injector for a 2009 Western Star 4900EX?
The average price for Diesel Fuel Injectors for the 2009 Western Star 4900EX is $1,922.49. Keep in mind the variety of part types within our Diesel Fuel Injector category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Diesel Fuel Injectors for other Western Star 4900EX model years?
What are the cheapest Diesel Fuel Injectors for my 2009 Western Star 4900EX?
The cheapest 2009 Western Star 4900EX Diesel Fuel Injectors we carry are:
- Diesel Exhaust Fluid Filter Kit (12501680) – $324.99
- HD Diesel Oxidation Catalyst – Not For Sale – CA (11921018) – $3,519.99
Does Advance Auto Parts sell Diesel Fuel Injectors for any other 2009 Western Star models?
Yes. We stock Diesel Fuel Injectors for 1 other popular 2009 Western Star models. Some of the most popular are 2009 4900FA Diesel Fuel Injectors and 2009 4900SA Diesel Fuel Injectors.
What types of Diesel Fuel Injectors do you sell for my 2009 Western Star 4900EX?
As of 11/2/25, these are some of the most in-demand types of Diesel Fuel Injectors for a 2009 Western Star 4900EX:
Can I get help with 2009 Western Star 4900EX Diesel Fuel Injector orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Western Star Diesel Fuel Injectors and more.
What is your return policy for Western Star 4900EX Diesel Fuel Injectors?
Advance Auto Parts keeps returns simple. For new Western Star 4900EX Diesel Fuel Injectors and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.