2004 Workhorse W42 Engine Parts

Essential 2004 Workhorse W42 Engine Parts

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50504 R)

Engine Valve Cover Gasket Set

from

$25.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50228 C)

Engine Valve Cover Gasket Set

from

$21.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Felpro – Engine Valve Cover Gasket Set (Part No.VS 50504 R-1)

Engine Valve Cover Gasket Set

from

$36.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
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Melling – Stock Replacement OE Type Oil Pump and Screen (Part No.M255-294S)

Stock Replacement OE Type Oil Pump and Screen

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$167.99
Melling oil pumps provide dependable performance every time in every application. Every Melling oil pump is engineered and assembled to the highest production standards from high quality materials. All Melling oil pumps use the latest in gear and gerotor

Product Features:
  • Manufactured from high quality materials for consistent durable wear
  • Precision engineered for optimum fit and function
  • Designed for long-life and worry-free performance
  • Meets or exceeds original equipment specifications
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Dorman – Valve Covers: With Gasket, Direct Replacement, Aluminum, Driver Side (Part No.264-965)

Valve Covers: With Gasket, Direct Replacement, Aluminum, Driver Side

from

$184.99
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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Dorman – Valve Covers: With Gasket, Direct Replacement, Stamped Steel, Passenger Side (Part No.264-986)

Valve Covers: With Gasket, Direct Replacement, Stamped Steel, Passenger Side

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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Dorman – Oil Cooler Line Connector (Part No.800-705)

Oil Cooler Line Connector

from

$8.79
This engine oil cooler line connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this engine oil cooler line connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector 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 – Help – Oil Filler Tube Grommet – GM 1991-1982 – Fits Trucks and Vans W/ 4.3z – 5.0h – 5.7k – 6.2z & 6.2j Diesel (Part No.42305)

Oil Filler Tube Grommet - GM 1991-1982 - Fits Trucks and Vans W/ 4.3z - 5.0h - 5.7k - 6.2z & 6.2j Diesel

from

$3.99
This engine oil filter tube grommet is designed to match the fit and function of the original grommet on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filter tube grommet is designed to match the fit and function of the original grommet on specified vehicles
  • Restores functionality – this grommet is made to fit and fully restore part functionality after the original grommet fails
  • 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 – Engine Oil Pan: Direct Fit, Aluminum, Rear Sump, 5 Quart (Part No.264-135)

Engine Oil Pan: Direct Fit, Aluminum, Rear Sump, 5 Quart

from

$274.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
  • Complete assembly – includes replacement pan and drain plugs to match original components
  • Durable design – high-strength coating prevents future corrosion
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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Dorman – Engine Oil Pan: Direct Fit, Steel, Rear Sump (Part No.264-163)

Engine Oil Pan: Direct Fit, Steel, Rear Sump

from

$262.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
  • Complete assembly – includes replacement pan and drain plugs to match original components
  • Durable design – high-strength coating prevents future corrosion
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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Dorman – Engine Oil Pan: Direct Fit, Aluminum, Center Sump, 5 Quart (Part No.264-375)

Engine Oil Pan: Direct Fit, Aluminum, Center Sump, 5 Quart

from

$272.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
  • Complete assembly – includes replacement pan and drain plugs to match original components
  • Durable design – high-strength coating prevents future corrosion
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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Dorman – Engine Oil Pan: Direct Fit, Aluminum, Center Sump, 5 Quart (Part No.264-480)

Engine Oil Pan: Direct Fit, Aluminum, Center Sump, 5 Quart

from

$246.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
  • Complete assembly – includes replacement pan and drain plugs to match original components
  • Durable design – high-strength coating prevents future corrosion
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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Dorman – Wastegate Controller Solenoid (Part No.904-236)

Wastegate Controller Solenoid

from

$43.99
This turbocharger wastegate solenoid is designed to match the fit and function of the original solenoid on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this turbocharger wastegate solenoid is designed to match the fit and function of the original solenoid on specified vehicles
  • Ideal solution – this solenoid is a reliable replacement for an original part that is damaged or has failed due to fatigue, excessive heat or electrical current
  • Durable construction – this solenoid is made from quality components to ensure reliable performance and a 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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2004 Workhorse W42 Engine Parts

You count on your 2004 Workhorse W42 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Engine Parts. With 7 Engine Parts ranging in price from $3.99 to $262.99, you’re sure to find everything you need for your 2004 Workhorse W42.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 3 different brands like Felpro, Melling, and Dorman. 2004 Workhorse W42 Engine Parts start as low as $3.99!

Did we mention you can order your Engine Parts from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Engine Parts inventory for your 2004 Workhorse W42 below to get started!