2003 GMC C4500 Topkick Diesel Fuel Injectors

Essential 2003 GMC C4500 Topkick Diesel Fuel Injectors

Carquest Premium – Fuel Filter Base & Hand Primer Seal Kit (Part No.AC20702)

Fuel Filter Base & Hand Primer Seal Kit

from

$26.99
Product Features:
  • Premium OE quality materials
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Carquest – Diesel Fuel Injector Line (Part No.FIL1)

Diesel Fuel Injector Line

from

$105.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • Our diesel fuel injector tube lines are bent at the correct angle for precise fit and ease of installation
  • Our diesel fuel line’s ferrule tip ends are designed to match the inlet end of the injector and outlet end of the fuel rail to create a secure seal and reduce the chances of fuel leaks
  • Our diesel fuel injector lines are quality-tested against bursting to ensure that the high pressure fuel required to run the vehicle is maintained
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Carquest Premium – Fuel Injector High Pressure Line (Part No.AL017)

Fuel Injector High Pressure Line

from

$94.99
A common problem on the Duramax LLY engine is contamination of the fuel fittings resulting in injector failure when serviced. Corrosion can form between the line and injector nut and fall into the injector when the line is removed or installed. Replacing the line at time of injector replacement or service is highly recommended to reduce injector failure due to contamination. CARQUEST premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure.

Product Features:
  • Premium OE quality materials
  • Cylinder specific exact-fit geometry ensures a leak free connection
  • Precision machined fittings with corrosion resistant plating
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Carquest Premium – Fuel Injector High Pressure Line (Part No.AL006)

Fuel Injector High Pressure Line

from

$74.99
A common problem on the Duramax LB7 engine is contamination of the fuel fittings resulting in injector failure when serviced. Corrosion can form between the line and injector nut and fall into the injector when the line is removed or installed. Replacing the line at time of injector replacement or service is highly recommended to reduce injector failure due to contamination. CARQUEST premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure.

Product Features:
  • Premium OE quality materials
  • Cylinder specific exact-fit geometry ensures a leak free connection
  • Precision machined fittings with corrosion resistant plating
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Carquest Premium – Fuel Injector High Pressure Line (Part No.AL007)

Fuel Injector High Pressure Line

from

$70.99
A common problem on the Duramax LB7 engine is contamination of the fuel fittings resulting in injector failure when serviced. Corrosion can form between the line and injector nut and fall into the injector when the line is removed or installed. Replacing the line at time of injector replacement or service is highly recommended to reduce injector failure due to contamination. CARQUEST premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure.

Product Features:
  • Premium OE quality materials
  • Cylinder specific exact-fit geometry ensures a leak free connection
  • Precision machined fittings with corrosion resistant plating
See More

Carquest Premium – Fuel Injector High Pressure Line (Part No.AL008)

Fuel Injector High Pressure Line

from

$74.99
A common problem on the Duramax LB7 engine is contamination of the fuel fittings resulting in injector failure when serviced. Corrosion can form between the line and injector nut and fall into the injector when the line is removed or installed. Replacing the line at time of injector replacement or service is highly recommended to reduce injector failure due to contamination. CARQUEST premium fuel lines meet or exceed critical OE performance specifications for sealing and burst pressure.

Product Features:
  • Premium OE quality materials
  • Cylinder specific exact-fit geometry ensures a leak free connection
  • Precision machined fittings with corrosion resistant plating
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Dorman – Diesel Fuel Filter Bleeder Screw – Nylon (Part No.904-112)

Diesel Fuel Filter Bleeder Screw - Nylon

from

$3.99
This diesel fuel filter bleeder screw is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this diesel fuel filter bleeder screw matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this screw is a reliable replacement for an original part that is missing or has failed due to fatigue
  • 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 – Diesel Fuel Filter Bleeder Screw – Brass (sold by each) (Part No.904-112HP)

Diesel Fuel Filter Bleeder Screw - Brass (sold by each)

from

$23.79
This diesel fuel filter bleeder screw is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this diesel fuel filter bleeder screw matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this screw is a reliable replacement for an original part that is missing or has failed due to fatigue
  • 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

2003 GMC C4500 Topkick Diesel Fuel Injectors

Maybe you’re in the middle of a full rebuild of that 2003 GMC C4500 Topkick. Maybe you just need a couple of Diesel Fuel Injectors. Either way, Advance Auto Parts has 7 different Diesel Fuel Injectors in our inventory ranging from $3.99 to $105.99. That means you can find the exact parts or products you need to keep that 2003 GMC C4500 Topkick running smoothly.

Diesel Fuel Injectors are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC C4500 Topkick. Dorman, Carquest Premium, and Carquest are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Diesel Fuel Injectors for your 2003 GMC C4500 Topkick, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Diesel Fuel Injectors to keep your 2003 GMC C4500 Topkick rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Diesel Fuel Injectors Brands To Make Your 2003 GMC C4500 Topkick Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC C4500 Topkick demands trusted brand parts and products to keep it running. Many trusted brands of Diesel Fuel Injectors make up Advance Auto Parts’ inventory, and all are ready to help make your C4500 Topkick the best it can be. Be sure to browse some of our top Diesel Fuel Injectors brands and parts.

Popular Dorman Diesel Fuel Injectors

We carry Dorman parts in our stock across Diesel Fuel Filter Bleeder Screws categories, plus more. For a 2003 GMC C4500 Topkick, our most popular Dorman Diesel Fuel Injectors include:
Diesel Fuel Filter Bleeder Screw - Nylon
from $3.99
(1)
Diesel Fuel Filter Bleeder Screw – Nylon
Diesel Fuel Filter Bleeder Screws

FAQs for 2003 GMC C4500 Topkick Diesel Fuel Injectors

What are the most purchased Diesel Fuel Injectors for the 2003 GMC C4500 Topkick?

Out of 7 Diesel Fuel Injectors for the 2003 GMC C4500 Topkick, the most popular in our inventory are:
Diesel Fuel Filter Bleeder Screw - Brass (sold by each)
from $23.79
This product is not rated
Diesel Fuel Filter Bleeder Screw – Brass (sold by each)
Diesel Fuel Filter Bleeder Screws
Fuel Injector High Pressure Line
from $74.99
This product is not rated
Fuel Injector High Pressure Line
Diesel Fuel Injector Lines
Diesel Fuel Injector Line
from $105.99
This product is not rated
Diesel Fuel Injector Line
Diesel Fuel Injector Lines