Workhorse W25 Parts

Workhorse W25 Transmission Parts

Dorman – EZ Drain Engine Oil Drain Plug: M12-1.75 Thread, 21 mm Head, 1 Pack (Part No.092-018)

EZ Drain Engine Oil Drain Plug: M12-1.75 Thread, 21 mm Head, 1 Pack

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$17.49
Ditch the wrenches and rags and get this Dorman Twist Drain oil drain plug. It’s specially designed to simplify changing your oil by replacing your factory plug with a tool-free, clean and easy solution. Just push, twist and drain. It also features a custom tapered O-ring that ensures a leak-proof seal, and is finished with electrophoresis and anodization for rust resistance.

Product Features:
  • Simplifies service – this trademark Dorman Twist Drain plug replaces the original equipment oil drain plug and allows for cleaner and easier oil changes
  • Tool-free solution – eliminates need for wrench to drain oil pan; simply push, twist and drain
  • Leak resistant – proprietary inner seal handles high pressure and temperature to prevent leaks
  • Corrosion resistant – specially coated to avoid rust for a long service life
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Dorman – Transmission Fitting (Part No.800-728)

Transmission Fitting

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$26.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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Dorman – HD Solutions – Transmission Fitting (Part No.800-5603)

Transmission Fitting

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$62.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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Dorman – Transmission Connector for 5/8 In. Tube 7/8-14 UNF (Part No.800-613)

Transmission Connector for 5/8 In. Tube 7/8-14 UNF

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$24.99
Made of quality materials, this automatic transmission oil cooler line connector matches the fit and function of a damaged original equipment connector to restore leak-free performance between the transmission and the oil cooler.

Product Features:
  • Quality replacement – this transmission cooler connector matches the fit and function of the original equipment connector
  • Durable construction – this oil cooler line connector is made of quality materials for a precise fit and leak-free durability
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
  • Ideal shop supply – this connector is recommended to have on hand any time service is being performed on the transmission oil cooler line
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Workhorse W25 Engine Parts

Felpro – Engine Valve Cover Gasket Set (Part No.VS 50554 R)

Engine Valve Cover Gasket Set

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$30.99
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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Dorman – Help – Engine Oil Fill Cap (Part No.80987)

Engine Oil Fill Cap

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$15.99
This engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles
  • Restores functionality – reliable replacement for an original part that is missing or cracked due to heat and 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 – Engine Oil Filler Cap (Part No.42315)

Engine Oil Filler Cap

from

$15.99
This engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filter cap is designed to match the fit and function of the original cap on specified vehicles
  • Restores functionality – reliable replacement for an original part that is missing or cracked due to heat and 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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Spartan – Engine Long Block; CHEV 8.1/496 04-06 Engine (Part No.DCWE)

Engine Long Block; CHEV 8.1/496 04-06 Engine

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$4503.99
Remanufactured Engines are fully disassembled; heads, blocks, cranks & cams are machined & wear parts are replaced. Each engine is individually tested after assembly to assure compression, oil pressure and water jacket integrity.

Product Features:
  • Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your first?
  • Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
  • Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.
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Premium Drive Train – Long Block Engine Assembly, Includes Gasket Kit (Part No.L49604VT)

Long Block Engine Assembly, Includes Gasket Kit

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$4258.99
Each block is magnafluxed for cracks and checked for any visible damage to the block or threaded holes before being repainted. Five CNC machining centers are programmed to precise specifications that meet or exceed those established by the OEM for each engine block. After the engine block is bored, decked, and chamfered, each cylinder is honed with the specified OEM cross-hatch pattern. All gauging of all cylinder bores for diameter and roundness after final honing operation. Quality audits are performed to ensure that the cylinder meets specifications. All new pistons, rings and bearings are installed in every engine. One block per engine family is laid out and checked for all critical and high impact characteristics as defined in our control plans. These measurements include surface finishes, surface flatness and cylindricity in the cylinder bores. Every head is resurfaced and completely inspected for any visible damage or cracks to the casting or threaded holes. Valve seats are machined, inspected and replaced if necessary. The cam bore is air gauge checked on overhead cam engines and machined if required. All new valves, seals and lifters are used in every head. All plugs and fittings are replaced with new. All head and valve assemblies are quantified for leakage. Each connecting rod is measured against OEM specifications. The piston pin bore and bearing bore are measured with air gauges for proper dimensions. New torque to yield rod bolts and nuts are installed. Crankshafts are machined on a fully automated Ju crank CNC crank grinder. All oil galley holes are chamfered and brushed after machining. Each crank is inspected for cracks, bow and all applicable run-out specs for rod and main journals. Sims Testing – All engines are cold motored and checked and measured for proper torque to turn, cylinder compression, oil flow, oil pressure and any unusual noises. All engine assemblies quantified for oil gallery, gasket, and casting leakage in the oil passageways

Product Features:


    Product Features:
    • REMANUFACTURING and QUALITY CHECKS – ENGINE BLOCKS: Each block is magnafluxed for cracks and checked for any visible damage to the block or threaded holes before being repainted to the original color.
    • CYLINDER HEADS: Every head is resurfaced and completely inspected for any visible damage or cracks to the casting or threaded holes. Any heads that have cracks in the combustion chamber are immediately scrapped, no weld repairs.
    • CONNECTING RODS: Each connecting rod is measured against OEM specifications for bend, twist, and center-to-center length before use. The piston pin bore and bearing bore are measured with air gauges for proper dimensions.
    • CRANKSHAFTS: Crankshafts are machined on a fully automated CNC crank grinder. This enables consistency and critical tolerances for each journal.
    • DYNAMIC ENGINE TESTING: Sims Testing – All engines are cold motored and checked and measured for proper torque to turn, cylinder compression, oil flow, oil pressure as well as monitored for any unusual noises inside the assembly.
    • Product might not be available in all states due to local laws.
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Spartan – Engine Cylinder Head; Chev 8.1/496 01-06 LFT Head (Part No.2CW2L)

Engine Cylinder Head; Chev 8.1/496 01-06 LFT Head

from

$619.99
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 8.1/496 01-06 RGT Head (Part No.2CW2R)

Engine Cylinder Head; Chev 8.1/496 01-06 RGT Head

from

$619.99
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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Dorman – Steel Cup Expansion Plug 2-7/31 In. SC, Height 0.260 (sold by each) (Part No.555-081)

Steel Cup Expansion Plug 2-7/31 In. SC, Height 0.260 (sold by each)

from

$2.99
This engine camshaft plug is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.

Product Features:
  • Direct replacement – this engine camshaft plug matches the fit and function of the factory part on specified years, makes and models
  • Ideal solution – this plug 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 – HD Solutions – Oil Cooler Line Connector (Part No.800-5602)

Oil Cooler Line Connector

from

$43.99
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 – Oil Cooler Line Connector (Part No.800-712)

Oil Cooler Line Connector

from

$15.99
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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Felpro – Engine Oil Pan Gasket Set – PermaDry molded rubber (Part No.OS 30714 R)

Engine Oil Pan Gasket Set - PermaDry molded rubber

from

$40.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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Workhorse W25 Exhaust Parts

Dorman – Help – Exhaust Manifold Hardware Kit (Part No.32121)

Exhaust Manifold Hardware Kit

from

$28.99
This exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles, and is made from quality materials for reliable performance.

Product Features:
  • Direct replacement – this exhaust manifold hardware kit matches the original hardware required to secure the exhaust manifold to the engine on specified vehicles
  • Ideal solution – this kit is a reliable replacement for the original hardware that is missing or damaged, or has failed
  • Durable construction – this kit 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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Taylor Gaskets – Vibe Lock Header Bolt Kit (Part No.310070)

Vibe Lock Header Bolt Kit

from

$84.99
Vibe Lock Header Bolt Kit

Search Over 74 Workhorse W25 Parts Online for Delivery or Pick Up

Looking for the best Workhorse W25 aftermarket replacement parts? Replacing worn and broken parts on your Workhorse W25? Check out our online catalog to find the best selection of aftermarket Workhorse W25 parts as well as real user reviews on Workhorse W25 replacement parts. Make an informed decision about every component you add to your W25.

At Advance Auto, we’ve got you covered when it comes to getting your Workhorse W25 in tip top condition. We’ve got over 74 Workhorse W25 parts to choose from in popular categories like Alternators and Starters, Transmission Parts and Engine Parts. If you’re looking for the best prices, try searching our Workhorse W25 parts catalog to compare OEM and aftermarket parts for your Workhorse W25.

Whether you need Workhorse W25 body parts, interior components, or custom Workhorse W25 parts you can find them online at Advance Auto. Want to order your Exhaust Parts online? Or maybe you need your Workhorse Air Intakes same day? No problem, you can pick up W25 parts in person at locations across the country, or have them delivered to straight to your door after ordering online. Finding a great deal on new and used Workhorse W25 parts has never been easier.