2004 Freightliner Classic XL Gas Caps

Keep Your 2004 Freightliner Classic XL in Top Shape with Quality Gas Caps

Whether you’re repairing or upgrading your Gas Cap, using high-quality parts is key to keeping your 2004 Freightliner Classic XL looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Gas Caps. 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 2004 Freightliner Classic XL Gas Cap at Advance Auto Parts is around $76.99, with a range that starts at $53.99 and goes up to $99.99. With 2 options in stock from one trusted brand, finding the right fit is easy. Popular picks like HD Locking Fuel Cap and HD Fuel Cap start at just $53.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Gas Cap, 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 2004 Freightliner Classic XL in peak condition, inside and out.

Essential 2004 Freightliner Classic XL Gas Caps

Carquest Premium – HD Locking Fuel Cap (Part No.10421)

HD Locking Fuel Cap

from

$99.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Manufactured from durable, long-life materials
  • Independently tested for emission control
  • Passes all state and federal emissions tests
  • Reduces air pollution with proper sealing and venting
See More

Carquest Premium – HD Fuel Cap (Part No.10611)

HD Fuel Cap

from

$53.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Manufactured from durable, long-life materials
  • Independently tested for emission control
  • Passes all state and federal emissions tests
  • Reduces air pollution with proper sealing and venting
See More

Most Popular Gas Caps for 2004 Freightliner Classic XLs

Enhance your 2004 Freightliner Classic XL with one of the 2 Gas Caps we have in stock, starting at just $53.99.

Carquest Premium – HD Locking Fuel Cap (Part No.10421)

HD Locking Fuel Cap

from

$99.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Manufactured from durable, long-life materials
  • Independently tested for emission control
  • Passes all state and federal emissions tests
  • Reduces air pollution with proper sealing and venting
See More

Carquest Premium – HD Fuel Cap (Part No.10611)

HD Fuel Cap

from

$53.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Protects your fuel from theft and vandalism
  • Manufactured from durable, long-life materials
  • Independently tested for emission control
  • Passes all state and federal emissions tests
  • Reduces air pollution with proper sealing and venting
See More

FAQs for 2004 Freightliner Classic XL Gas Caps

What are the best-selling Gas Caps for 2004 Freightliner Classic XLs?

Out of 2 Gas Caps that fit 2004 Freightliner Classic XLs, the following parts are the top sellers:

What’s the price range for 2004 Freightliner Classic XL Gas Caps?

The prices of Gas Caps for the 2004 Freightliner Classic XL range from $53.99 up to $99.99 for the most premium parts.

What is the average price of a Gas Cap for a 2004 Freightliner Classic XL?

The average price for Gas Caps for the 2004 Freightliner Classic XL is $76.99. Keep in mind the variety of part types within our Gas Cap category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Gas Caps for other Freightliner Classic XL model years?

Yes, we carry Gas Caps for 7 model years of Freightliner Classic XLs between 2001 and 2009. The following model years are the most popular for Gas Cap purchases: 2007, 2001, 2009, 2008, 2002, 2005, 2003, and 2006.

What are the cheapest Gas Caps for my 2004 Freightliner Classic XL?

The cheapest 2004 Freightliner Classic XL Gas Caps we carry are:

Does Advance Auto Parts sell Gas Caps for any other 2004 Freightliner models?

Yes. We stock Gas Caps for 18 other popular 2004 Freightliner models. Some of the most popular are 2004 Sprinter 2500 Gas Caps, 2004 Sprinter 3500 Gas Caps, 2004 M2 106 Gas Caps, 2004 FL60 Gas Caps, and 2004 FL70 Gas Caps.

What types of Gas Caps do you sell for my 2004 Freightliner Classic XL?

We currently have just 1 Gas Cap in stock for a 2004 Freightliner Classic XL, and as of 11/2/25, it is a Gas Cap.

Can I get help with 2004 Freightliner Classic XL Gas Cap orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Freightliner Gas Caps and more.

What is your return policy for Freightliner Classic XL Gas Caps?

Advance Auto Parts keeps returns simple. For new Freightliner Classic XL Gas Caps and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.