Workhorse P42 Engine Parts

Essential Workhorse P42 Engine Parts

Melling – Stock Replacement OE Type Oil Pump and Screen (Part No.M255-294S)

Stock Replacement OE Type Oil Pump and Screen

from

$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 – Pik-a-Nut – Steel Cup Expansion Plug 1-5/8 In., Height 0.500 (Part No.362657.1)

Steel Cup Expansion Plug 1-5/8 In., Height 0.500

from

$2.29
This engine expansion 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 expansion 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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Driveworks – Crankshaft Seal (Part No.S-3945)

Crankshaft Seal

from

$7.49
Product Features:
  • Brand may vary by location
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National – Multi Purpose Seal (Part No.3945)

Multi Purpose Seal

from

$13.29
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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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 – Steel Cup Expansion Plug 1-5/8 In., Height 0.500 (sold by each) (Part No.555-030)

Steel Cup Expansion Plug 1-5/8 In., Height 0.500 (sold by each)

from

$1.49
Our uniquely designed pilot seal expansion plugs ensure a leak-proof fit.

Product Features:
  • Many sizes available
  • Conveniently available in packs of different quantities
  • Constructed from high quality steel, copper, brass, or rubber
  • Dorman’s Engine Expansion Plugs are constructed to strict engineering quality standards
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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

$389.99
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
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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 – 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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Dorman – Harmonic Balancer Assembly (Part No.594-170)

Harmonic Balancer Assembly

from

$89.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

Product Features:
  • Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
  • Durable construction – stringent specifications and careful construction help ensure longevity
  • Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Dorman – Harmonic Balancer Assembly (Part No.594-037)

Harmonic Balancer Assembly

from

$151.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

Product Features:
  • Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
  • Durable construction – stringent specifications and careful construction help ensure longevity
  • Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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National – Shaft Repair Sleeve (Part No.99435)

Shaft Repair Sleeve

from

$55.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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National – Shaft Repair Sleeve (Part No.99233)

Shaft Repair Sleeve

from

$30.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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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 – Crankshaft Position Sensor (Part No.917-755)

Crankshaft Position Sensor

from

$86.99
This engine crankshaft position sensor is designed to match the fit and function of an original sensor to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Product Features:
  • Direct replacement – this engine crankshaft position sensor is designed to match the fit and function of an original sensor on specified vehicles
  • Ideal solution – engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Dorman – Help – Oil Adapter And Cooler Gasket Assortment (Part No.82560)

Oil Adapter And Cooler Gasket Assortment

from

$9.99
This engine oil filter adapter O-ring is designed to match the fit and function of the original O-ring on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil filter adapter O-ring is designed to match the fit and function of the original O-ring on specified vehicles
  • Restores functionality – this O-ring is made to fit and fully restore part functionality after the original O-ring 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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Spartan – Engine Long Block; Chev 454 96-00 Engine (Part No.DCK2)

Engine Long Block; Chev 454 96-00 Engine

from

$2855.99
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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Helping You Find the Right Engine Parts for Your Workhorse P42

You love your P42. So we’ve made it easier than ever to help you find Workhorse P42 Engine Parts in our online catalog. Our inventory holds 24 aftermarket and OEM Engine Parts for your Workhorse P42, ranging from $1.49 to $2,855.99.

We offer parts from 5 brands trusted to make quality Engine Parts for your Workhorse P42. Before you buy, take some time to read through customer reviews. We currently have 118 reviews of Workhorse P42 Engine Parts from previous customers. Some of the top rated parts include Engine Long Block; Chev 454 96-00 Engine with 1.0 stars.

Find your P42 Engine Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Workhorse P42 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Engine Parts Brands for Your Workhorse P42

Our inventory holds Engine Parts for your Workhorse P42 from 5 trusted brands. You’ll find OEM and aftermarket parts from brands like Dorman, National, and Melling, all of which can keep that Workhorse happy.
We have National parts available for your Workhorse P42 in categories like Engine Timing Parts. Some of the top-rated National parts in these categories are:
Multi Purpose Seal
from $13.29
(1)
Multi Purpose Seal
Timing Cover Seals

Top-Rated Dorman – Help Engine Parts

Leading Dorman – Help Engine Parts

We carry Dorman – Help brand parts for your Workhorse P42 across several catalog categories, including Engine O-Ring and Hardware and Freeze and Expansion Plugs. Some of our most reviewed Dorman – Help parts include:
Steel Cup Expansion Plug 1-5/8 In., Height 0.500
from $2.29
(1)
Steel Cup Expansion Plug 1-5/8 In., Height 0.500
Expansion Plugs
Harmonic Balancer Assembly
from $151.99
(1)
Harmonic Balancer Assembly
Harmonic Balancers

FAQs for Workhorse P42 Engine Parts

What are the most purchased Engine Parts for the Workhorse P42?

Out of 24 Engine Parts for the Workhorse P42, the most popular in our inventory are:
Steel Cup Expansion Plug 1-5/8 In., Height 0.500 (sold by each)
from $1.49
This product is not rated
Steel Cup Expansion Plug 1-5/8 In., Height 0.500 (sold by each)
Camshaft Plugs
Harmonic Balancer Assembly
from $89.99
This product is not rated
Harmonic Balancer Assembly
Harmonic Balancers
Oil Cooler Line Connector
from $8.49
This product is not rated
Oil Cooler Line Connector
Oil Cooler Line Connectors

What are the top-rated Workhorse P42 Engine Parts?

Top-rated Engine Parts for your Workhorse P42 based on customer reviews/ratings are:
Engine Long Block; Chev 454 96-00 Engine
from $2855.99
(1)
Engine Long Block; Chev 454 96-00 Engine
“I bought this item and had it installed. At 14 months and less than 10,000 miles later it started tapping and then took a dump. Spartan and advance co”