2004 Workhorse W42 Car Parts & Accessories

You have come to the right place if you need new or replacement parts for your 2004 W42. Advance Auto carries over 58 aftermarket parts for your 2004 Workhorse W42, along with original equipment manufacturer (OEM) parts. You will find amazing prices on 2004 W42 Interior Products and Engine Parts. Plus, our selection of 2004 Transmission Parts for your W42 are some of the lowest in the market.

Find replacement parts and upgrades for your 2004 Workhorse W42. Use our customer reviews of Exhaust Parts parts and others, along with user ratings on the many of the products we offer. You won’t find an easier way to shop for 2004 Workhorse W42 performance parts, 2004 Workhorse W42 body parts, interior components, or any type of part for that matter. Get your W42 upgraded or back in pristine shape by shopping Advance Auto Parts.

2004 Workhorse W42 Transmission Parts

Below you can find the top 2004 Workhorse W42 aftermarket accessories. Want to see the complete catalog of Transmission Parts? Click on “View All” to view each individual Workhorse 2004 W42 part.

Dorman – 4 Wire Multipurpose Connector (Part No.645-578)

4 Wire Multipurpose Connector

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$62.99
This neutral safety switch 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 neutral safety switch 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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2004 W42 Engine Parts

No need for it to be difficult to find Engine Parts for your 2004 Workhorse W42. Compare prices, read reviews, and buy your W42 Engine Parts online for delivery or in-store pick up.

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50228 C)

Engine Valve Cover Gasket Set

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$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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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
Made in USA. 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 technology to provide the highest level of quality and performance. Gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.

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

Oil Cooler Line Connector

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$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 – Engine Oil Pan: Direct Fit, Steel, Rear Sump (Part No.264-163)

Engine Oil Pan: Direct Fit, Steel, Rear Sump

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$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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Melling – Stock Replacement Oil Pump: High Volume, Standard Pressure, Cast Iron, Without Gasket (Part No.M255HV-294S)

Stock Replacement Oil Pump: High Volume, Standard Pressure, Cast Iron, Without Gasket

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$233.99
Made in USA. 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 technology to provide the highest level of quality and performance. Gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation. End plates are precision ground for maximum wear resistance. Every Melling oil pump is individually tested for pressure and flow under conditions designed to duplicate actual engine operating conditions.
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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

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$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 – Wastegate Controller Solenoid (Part No.904-236)

Wastegate Controller Solenoid

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$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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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

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$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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2004 W42 Exhaust Parts

Customers frequently purchased the following top Exhaust Parts for their 2004 W42. Click on “View All” to see more great prices on 2004 W42 aftermarket replacement Exhaust Parts.

Dorman – Direct Fit Exhaust Manifold: Without Heat Shield (Part No.674-470)

Direct Fit Exhaust Manifold: Without Heat Shield

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$151.99
This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair.

Product Features:
  • Ideal replacement – this exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the stock manifold on specified vehicles.
  • Reliable construction – durable materials resist warping, cracking and leaking for long-lasting performance.
  • Complete repair – includes all necessary gaskets and downpipe hardware
  • Trustworthy design – built by industry leader in aftermarket manifolds
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Dorman – Help – Exhaust Stud Kit – M10-1.5 x 62mm (Part No.03133)

Exhaust Stud Kit - M10-1.5 x 62mm

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$17.29
Our exhaust manifold flange kit includes all necessary studs and nuts for a complete repair.

Product Features:
  • Direct replacement – this exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles.
  • Ideal solution – this stud and nut are reliable replacements for original parts that are missing or have failed due to wear
  • Durable construction – these parts are 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 – Exhaust Flange Stud Kit – M10-1.5 x 62mm Stainless Steel (Part No.03133HP)

Exhaust Flange Stud Kit - M10-1.5 x 62mm Stainless Steel

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$26.99
This exhaust flange stud and nut are designed to match the fit and function of the original hardware on specified vehicles. Made of quality materials, this hardware is engineered for reliable performance.

Product Features:
  • Upgraded hardware – this set of six M10-1.5 exhaust manifold mounting studs and nuts are 100 percent stainless steel for superior heat and corrosion resistance.
  • Convenient solution – kit contains all the application-specific hardware necessary to join one exhaust manifold to one manifold flange
  • Matches fit – this hardware matches the fit and function of the factory fasteners, while offering superior durability
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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