2003 GMC C4500 Topkick Fuel Hoses

Essential 2003 GMC C4500 Topkick Fuel Hoses

Dorman – Rubber Fuel Line: 1/2" ID, 10" Long (Part No.904-399)

Rubber Fuel Line: 1/2" ID, 10" Long

from

$71.99
This replacement fuel line is made to safely transfer fuel and endure in tough underhood and undercar conditions.

Product Features:
  • Trustworthy replacement – this fuel line safely replaces the original fuel line to fix fuel leaks
  • Durable design – withstands tough underhood and undercar conditions
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
  • Comprehensive solutions – this fuel line is part of a diverse collection of fuel line repair solutions
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Dorman – Rubber Fuel Line: 1/2" ID, 10" Long (Part No.904-398)

Rubber Fuel Line: 1/2" ID, 10" Long

from

$56.99
This replacement fuel line is made to safely transfer fuel and endure in tough underhood and undercar conditions..

Product Features:
  • Trustworthy replacement – this fuel line safely replaces the original fuel line to fix fuel leaks.
  • Durable design – withstands tough underhood and undercar conditions
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
  • Comprehensive solutions – this fuel line is part of a diverse collection of fuel line repair solutions
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Dorman – Fuel Injector Feed Line Seal (sold by each) (Part No.904-136)

Fuel Injector Feed Line Seal (sold by each)

from

$25.99
This replacement fuel injection feed hose is made to safely transfer fuel and endure in tough underhood and undercar conditions.

Product Features:
  • Trustworthy replacement – this fuel feed hose safely replaces the original hose to fix fuel leaks
  • Durable design – withstands tough underhood and undercar conditions
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
  • Quality tested – this part has undergone extensive testing to ensure a quality fit and long service life
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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.AL016)

Fuel Injector High Pressure Line

from

$99.99
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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Dorman – Right Diesel Return Line (Part No.904-122)

Right Diesel Return Line

from

$113.99
This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation.

Product Features:
  • Direct replacement – this fuel injector line is engineered to match the original fuel injector line on specified vehicles
  • Robust materials – manufactured with a material-hardening process to ensure lines withstand high pressure during engine operation
  • Critical fix – because all fuel injectors lines have a one-time-use, crushable seal, replacement of entire line is necessary for optimal seal
  • Cost-effective solution – part is quality-tested and less expensive than getting replacement from dealership
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Dorman – Fuel Injector Feed Pipe (Part No.904-128)

Fuel Injector Feed Pipe

from

$81.99
This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation.

Product Features:
  • Direct replacement – this fuel injector line is engineered to match the original fuel injector line on specified vehicles
  • Robust materials – manufactured with a material-hardening process to ensure lines withstand high pressure during engine operation
  • Critical fix – because all fuel injectors lines have a one-time-use, crushable seal, replacement of entire line is necessary for optimal seal
  • Cost-effective solution – part is quality-tested and less expensive than getting replacement from dealership
See More

Dorman – Left Diesel Return Line (Part No.904-123)

Left Diesel Return Line

from

$107.99
This replacement fuel injector line is precision-engineered to match the fit and design of the original fuel injector line on specific vehicles. It comes with any vehicle-specific mounting hardware for a complete installation.

Product Features:
  • Direct replacement – this fuel injector line is engineered to match the original fuel injector line on specified vehicles
  • Robust materials – manufactured with a material-hardening process to ensure lines withstand high pressure during engine operation
  • Critical fix – because all fuel injectors lines have a one-time-use, crushable seal, replacement of entire line is necessary for optimal seal
  • Cost-effective solution – part is quality-tested and less expensive than getting replacement from dealership
See More

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
See More

2003 GMC C4500 Topkick Fuel Hoses

Maybe you’re in the middle of a full rebuild of that 2003 GMC C4500 Topkick. Maybe you just need a couple of Fuel Hoses. Either way, Advance Auto Parts has 5 different Fuel Hoses in our inventory ranging from $25.99 to $81.99. That means you can find the exact parts or products you need to keep that 2003 GMC C4500 Topkick running smoothly.

Fuel Hoses are only as good as their brand. We stock 2 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC C4500 Topkick. Carquest Premium and Dorman 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 Fuel Hoses 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 Fuel Hoses 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!

Fuel Hoses 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 Fuel Hoses 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 Fuel Hoses brands and parts.

FAQs for 2003 GMC C4500 Topkick Fuel Hoses

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

Out of 5 Fuel Hoses for the 2003 GMC C4500 Topkick, the most popular in our inventory are:
Fuel Injector High Pressure Line
from $74.99
This product is not rated
Fuel Injector High Pressure Line
Fuel Injector Hose Kits
Fuel Injector Feed Pipe
from $81.99
This product is not rated
Fuel Injector Feed Pipe
Fuel Injector Hose Kits
Rubber Fuel Line: 1/2" ID, 10" Long
from $71.99
This product is not rated
Rubber Fuel Line: 1/2" ID, 10" Long
Fuel Hoses