2004 Workhorse P42 Valve Cover and Cylinder Heads

Keep Your 2004 Workhorse P42 in Top Shape with Quality Valve Cover and Cylinder Heads

Whether you’re repairing or upgrading your Valve Cover and Cylinder Head, using high-quality parts is key to keeping your 2004 Workhorse P42 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Valve Covers and Cylinder Heads. 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.

Explore Related Parts

While you’re upgrading or replacing your Valve Cover and Cylinder Head, don’t forget to check out other key components like Engine Gaskets and Seals and Engine Timing Parts. At Advance Auto Parts, we’re here to help you keep your 2004 Workhorse P42 in peak condition, inside and out.

Essential 2004 Workhorse P42 Valve Cover and Cylinder Heads

Dorman – Valve Covers: with Gasket, Direct Replacement, Stamped Steel (Part No.264-986)

Valve Covers: with Gasket, Direct Replacement, Stamped Steel

from

$185.99
This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:
  • Direct replacement – this valve cover matches the original equipment part for fit and function
  • Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service
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Spartan – Engine Cylinder Head; Chev 454 96-00 Cyl Head (Part No.2CK2)

Engine Cylinder Head; Chev 454 96-00 Cyl Head

from

$413.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
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Spartan – Engine Cylinder Head; Chev 6.5 92-00 Cyl Head (Part No.2CE2)

Engine Cylinder Head; Chev 6.5 92-00 Cyl Head

from

$945.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
See More

Most Popular Valve Cover for 2004 Workhorse P42s

Enhance your 2004 Workhorse P42 with this popular Valve Cover we have in stock, for $185.99.

Dorman – Valve Covers: with Gasket, Direct Replacement, Stamped Steel (Part No.264-986)

Valve Covers: with Gasket, Direct Replacement, Stamped Steel

from

$185.99
This replacement valve cover matches the fit and function of the original equipment part that may be damaged or warped. Made from quality materials for excellent fit and superior heat resistance, this valve cover has undergone extensive testing.

Product Features:
  • Direct replacement – this valve cover matches the original equipment part for fit and function
  • Durable construction – this valve cover is made of quality materials to withstand extreme temperatures to resist leaking
  • Cost-effective solution – offers original equipment performance at competitive price
  • Quality tested – this part has undergone try-on and material testing to ensure a quality fit and reliable service
See More

Best-Selling 2004 Workhorse P42 Cylinder Head

Upgrade your P42 with our best-selling Cylinder Head.

Spartan – Engine Cylinder Head; Chev 454 96-00 Cyl Head (Part No.2CK2)

Engine Cylinder Head; Chev 454 96-00 Cyl Head

from

$413.99
Remanufactured Cylinder Heads are complete rebuild & include new valve stem seals, soft plugs & verified camshafts. All threads are checked and repaired if necessary. Cylinder Heads are packaged in heavy plastic to protect the unit.

Product Features:
  • All cylinder heads are both vacuum and pressure tested to verify valve seating, & integrity of water passages.
  • All cylinder heads are packaged in environmentally safe and recyclable containers that are the perfect size for returning your original core
  • All threads and machined surfaces are and repaired with technology that exceeds the original metal
  • Non-sealing iron surfaces painted to prevent oxidization
See More

FAQs for 2004 Workhorse P42 Valve Cover and Cylinder Heads

What are the best-selling Valve Cover and Cylinder Heads for 2004 Workhorse P42s?

Out of 2 Valve Cover and Cylinder Heads that fit 2004 Workhorse P42s, the following parts are the top sellers:

What’s the price range for 2004 Workhorse P42 Valve Cover and Cylinder Heads?

The prices of Valve Cover and Cylinder Heads for the 2004 Workhorse P42 range from $185.99 up to $413.99 for the most premium parts.

What is the average price of a Valve Cover and Cylinder Head for a 2004 Workhorse P42?

The average price for Valve Cover and Cylinder Heads for the 2004 Workhorse P42 is $299.99. Keep in mind the variety of part types within our Valve Cover and Cylinder Head category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Valve Cover and Cylinder Heads for other Workhorse P42 model years?

Yes, we carry Valve Cover and Cylinder Heads for 5 model years of Workhorse P42s between 1999 and 2005. The following model years are the most popular for Valve Cover and Cylinder Head purchases: 2005, 2003, 2002, 2001, 2000, and 1999.

What are the cheapest Valve Cover and Cylinder Heads for my 2004 Workhorse P42?

The cheapest 2004 Workhorse P42 Valve Cover and Cylinder Heads we carry are:

Does Advance Auto Parts sell Valve Cover and Cylinder Heads for any other 2004 Workhorse models?

What types of Valve Cover and Cylinder Heads do you sell for my 2004 Workhorse P42?

As of 11/2/25, these are some of the most in-demand types of Valve Cover and Cylinder Heads for a 2004 Workhorse P42:

Can I get help with 2004 Workhorse P42 Valve Cover and Cylinder Head orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Workhorse Valve Cover and Cylinder Heads and more.

What is your return policy for Workhorse P42 Valve Cover and Cylinder Heads?

Advance Auto Parts keeps returns simple. For new Workhorse P42 Valve Cover and Cylinder Heads and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.