2009 Workhorse W42 Engine

Select Your Submodel
4.5L
4.8L
  • Continental® ContiTech™ - Elite™ Drive Belt Idler Assembly
    Continental® ContiTech™ - Elite™ Drive Belt Idler Assembly
    0
    # 690557824
    Workhorse W42 4.8L 2009, Elite™ Drive Belt Idler Assembly by Continental® ContiTech™. Every part in this assembly is engineered to look, install, and operate the same way or better than the factory parts. Every component meets...
    Original equipment equivalentFactory-like fit and dependability
    $14.09 - $26.15
    In Stock - Ships within 24 hrs
  • Continental® ContiTech™ - Elite™ Drive Belt Tensioner Assembly
    Continental® ContiTech™ - Elite™ Drive Belt Tensioner Assembly
    0
    # 690470611
    Workhorse W42 4.8L 2009, Elite™ Drive Belt Tensioner Assembly by Continental® ContiTech™. This belt tensioner assembly is constructed to meet OE requirements for fit, form, and function. It provides smooth, noiseless, and...
    Constructed to match OE form, fit, and functionMaintains its correct alignment to the belt and correct accessory belt tension
    $33.15 - $53.48
    In Stock - Ships within 24 hrs
  • Continental® ContiTech™ - Elite™ Drive Belt Tensioner Pulley
    Continental® ContiTech™ - Elite™ Drive Belt Tensioner Pulley
    0
    # mpn335841974
    Workhorse W42 4.8L 2009, Elite™ Drive Belt Tensioner Pulley by Continental® ContiTech™. Continental Elite™ pulleys are designed to install and operate as well as OE components. They're manufactured to original equipment material...
    Constructed to match OE form, fit, and functionMade of OE specified materials, unless upgraded to enhance performance
    $20.73
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Drive Belt Idler Pulley
    Goodyear Belts® - Drive Belt Idler Pulley
    0
    # 5006948861
    Workhorse W42 4.8L 2009, Drive Belt Idler Pulley by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind....
    Made with precision and quality in mindDesigned to meet your specific needs
    $14.85 - $26.64
    In Stock - Ships within 24 hrs
  • Goodyear Belts® - Drive Belt Tensioner
    Goodyear Belts® - Drive Belt Tensioner
    0
    # mpn4888938602
    Workhorse W42 4.8L 2009, Drive Belt Tensioner by Goodyear Belts®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It...
    Made with precision and quality in mindDesigned to meet your specific needs
    $35.47
    In Stock - Ships within 24 hrs
  • National® - Crankshaft Seal
    National® - Crankshaft Seal
    0
    # 269783190
    Workhorse W42 4.8L 2009, Crankshaft Seal by National®. Designed utilizing the latest technology, this product by National features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...
    Temperature range: -40 to 400 °F / -40 to 204 °CCompatible with wide range of fluids
    $13.37 - $15.75
    In Stock - Ships within 24 hrs
  • SKP® - Crankshaft Position Sensor
    SKP® - Crankshaft Position Sensor
    0
    # mpn4794739221
    Workhorse W42 4.8L 2009, Crankshaft Position Sensor by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $13.39
    In Stock - Ships within 24 hrs
  • SKP® - Drive Belt Idler Pulley
    SKP® - Drive Belt Idler Pulley
    0
    # 5551105073
    Workhorse W42 4.8L 2009, Drive Belt Idler Pulley by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $5.09 - $13.35
    In Stock - Ships within 24 hrs
  • SKP® - Drive Belt Tensioner
    SKP® - Drive Belt Tensioner
    0
    # mpn4817967197
    Workhorse W42 4.8L 2009, Drive Belt Tensioner by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $30.97
    In Stock - Ships within 24 hrs
  • SKP® - Driver Side Valve Cover
    SKP® - Driver Side Valve Cover
    1
    # mpn4689622310
    Workhorse W42 4.8L 2009, Driver Side Valve Cover by SKP®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...
    Precise engineering ensures second to none quality and lasting valueStringently tested with the highest quality standards
    $70.43
    In Stock - Ships within 24 hrs
  • SKP® - Rear Crankshaft Seal
    SKP® - Rear Crankshaft Seal
    0
    # mpn4689039791
    Workhorse W42 4.8L 2009, Rear Crankshaft Seal by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $38.34
    In Stock - Ships within 24 hrs
  • TRQ® - Drive Belt Idler Pulley
    TRQ® - Drive Belt Idler Pulley
    0
    # mpn5014638299
    Workhorse W42 2009, Drive Belt Idler Pulley by TRQ®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $38.95
    In Stock - Ships within 24 hrs
  • TRQ® - Drive Belt Tensioner
    Save 15%
    TRQ® - Drive Belt Tensioner
    0
    # mpn5014638309
    Workhorse W42 2009, Drive Belt Tensioner by TRQ®. Want to get rid of the rattling noise coming from the timing cover area? This high-grade TRQ drive belt tensioner is exactly what you need. Built to meet or exceed the OEM...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $55.01
    $64.95Save $9.94 (15%)
    In Stock - Ships within 24 hrs
  • Dorman® - OE Solutions™ Aluminum Timing Chain Cover
    Dorman® - OE Solutions™ Aluminum Timing Chain Cover
    0
    # mpn2290950
    Workhorse W42 4.8L 2009, OE Solutions™ Aluminum Timing Chain Cover by Dorman®. This direct replacement timing cover matches the fit and function of the original equipment cover for a reliable repair. This part has undergone extensive...
    Direct replacement - this engine timing cover matches the fit and function of the original equipment coverDurable construction - this part is specifically designed to withstand extreme underhood temperatures for a long service life
    $74.83
    In Stock - Ships within 24 hrs
  • Dorman® - OE Solutions™ Improved Design Variable Valve Timing Solenoid
    Dorman® - OE Solutions™ Improved Design Variable Valve Timing Solenoid
    0
    # mpn4629067916
    Workhorse W42 2009, OE Solutions™ Improved Design Variable Valve Timing Solenoid by Dorman®. This replacement engine variable valve timing solenoid is precision-engineered to match or exceed the stock VVT on specific vehicle years,...
    Ideal replacement - this VVT is professionally engineered to match the function and performance of the stock solenoid on specific vehicle applicationsComplete assembly - includes all original hardware and seals required for a quick and thorough replacement
    $31.92
    In Stock - Ships within 24 hrs
  • Dorman® - OE Solutions™ Variable Timing Oil Control Valve
    Dorman® - OE Solutions™ Variable Timing Oil Control Valve
    0
    # mpn2653238002
    Workhorse W42 2009, OE Solutions™ Variable Timing Oil Control Valve by Dorman®. This replacement engine variable valve timing solenoid is precision-engineered to match or exceed the stock VVT on specific vehicle years, makes and...
    Ideal replacement - this VVT is professionally engineered to match the function and performance of the stock solenoid on specific vehicle applicationsComplete assembly - includes all original hardware and seals required for a quick and thorough replacement
    $30.91
    In Stock - Ships within 24 hrs
  • Dura-Bond® - Camshaft Bearing Set
    Dura-Bond® - Camshaft Bearing Set
    0
    # mpn4830058564
    Workhorse W42 4.8L 2009, Camshaft Bearing Set by Dura-Bond®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...
    Made with precision and quality in mindDesigned to meet your specific needs
    $26.04
    In Stock - Ships within 24 hrs
  • Dura-Bond® - High Performance Camshaft Bearing Set
    Dura-Bond® - High Performance Camshaft Bearing Set
    0
    # 3553162010
    Workhorse W42 4.8L 2009, High Performance Camshaft Bearing Set by Dura-Bond®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...
    Rigorously tested to withstand years of abuseHigh-grade materials for long-lasting durability
    $51.95 - $103.93
    In Stock - Ships within 24 hrs
  • Febi® - Engine Oil Pump Chain Set
    Febi® - Engine Oil Pump Chain Set
    0
    # mpn5067188949
    Workhorse W42 4.8L 2009, Engine Oil Pump Chain Set by Febi®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $145.53
    In Stock - Ships within 24 hrs
  • Standard® - Diesel Oil Cooler Kit
    Standard® - Diesel Oil Cooler Kit
    0
    # mpn4495600391
    Workhorse W42 4.5L 2009, Diesel Oil Cooler Kit with Gaskets & Hardware by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your...
    Made with precision and quality in mindDesigned to meet your specific needs
    $170.39
    In Stock - Ships within 24 hrs
  • SKP® - Serpentine Belt Anti-Slip Shield
    SKP® - Serpentine Belt Anti-Slip Shield
    0
    # 5775227950
    Workhorse W42 4.8L 2009, Serpentine Belt Anti-Slip Shield by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $11.02 - $15.40
    In Stock - Ships within 24 hrs
  • Dorman® - Autograde™ Oil Drain Plug Gasket
    Dorman® - Autograde™ Oil Drain Plug Gasket
    0
    # 1071014196
    Workhorse W42 4.8L 2009, Autograde™ Oil Drain Plug Gasket by Dorman®. Dorman's Engine Oil Drain Plug Gaskets are conveniently available in packs of varying quantities. Many styles are offered, including Copper, Aluminum, Nylon,...
    Direct replacement gaskets and some universal gaskets available. Proper fit with the drain plug ensures a tight sealGaskets are also included with many of Dorman's Engine Oil Drain Plugs and Pans
    $1.65 - $15.15
    In Stock - Ships within 24 hrs
  • Dorman® - HELP™ Oil Dipstick Tube with O-Ring
    Dorman® - HELP™ Oil Dipstick Tube with O-Ring
    0
    # mpn2376753511
    Workhorse W42 4.8L 2009, HELP™ Oil Dipstick Tube with O-Ring by Dorman®. Re-engineered to address common failure points in the original design. Dorman’s Engine Oil Dipstick is differentiated by its long-lasting handle. Constructed...
    Direct replacement for a proper fit every timeHelps guide the dipstick into the oil pan
    $14.90
    In Stock - Ships within 24 hrs
  • SKP® - Engine Oil Dipstick Tube
    SKP® - Engine Oil Dipstick Tube
    0
    # mpn4689198660
    Workhorse W42 4.8L 2009, Engine Oil Dipstick Tube by SKP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship. Manufactured...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $9.18
    In Stock - Ships within 24 hrs
  • Dorman® - HELP™ SAE 5W30 Oil Filler Cap
    Dorman® - HELP™ SAE 5W30 Oil Filler Cap
    0
    # mpn2658008779
    Workhorse W42 4.8L 2009, HELP™ SAE 5W30 Oil Filler Cap by Dorman®. Dorman's Engine Oil Filler Cap is constructed of durable rubber to provide a tight, heat-resistant seal for the valve cover. It effectively prevents debris from...
    Replacement prevents debris and moisture from entering the Oil Fill Tube and contaminating the oil systemClearly marked with raised letters for quick identification under the hood
    $10.95
    In Stock - Ships within 24 hrs
  • Dorman® - OE Solutions™ Steel Harmonic Balancer Bolt
    Dorman® - OE Solutions™ Steel Harmonic Balancer Bolt
    0
    # mpn4741682245
    Workhorse W42 2009, OE Solutions™ Steel Harmonic Balancer Bolt by Dorman®. This engine harmonic balancer bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is...
    Direct replacement - this engine harmonic balancer bolt matches the fit and function of the factory part on specified years, makes and modelsIdeal solution - this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
    $5.96
    In Stock - Ships within 24 hrs
  • Dorman® - TECHoice™ Camshaft Position Sensor Connector
    Dorman® - TECHoice™ Camshaft Position Sensor Connector
    0
    # 891520910
    Workhorse W42 4.8L 2009, TECHoice™ Camshaft Position Sensor Connector by Dorman®. This engine camshaft position sensor connector is designed to match the appearance and function of the original hardware on specified applications. Made...
    Direct replacement - this engine camshaft position sensor connector matches the appearance and function of the factory hardware on specified applicationsIdeal solution - this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
    $17.89 - $21.87
    In Stock - Ships within 24 hrs
  • National® - Front Crankshaft Repair Sleeve
    National® - Front Crankshaft Repair Sleeve
    0
    # mpn1330060
    Workhorse W42 4.8L 2009, Front Crankshaft Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is built to the original equipment...
    Designed to repair damaged, grooved or worn shaftsDurable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
    $29.93
    In Stock - Ships within 24 hrs
  • Dorman® - Oil Dipstick Tube
    Dorman® - Oil Dipstick Tube
    0
    # mpn5079505454
    Workhorse W42 4.8L 2009, Oil Dipstick Tube by Dorman®. Dorman’s Engine Oil Pump Drain Plug is conveniently designed as a direct replacement for stripped plugs. A proper fit is ensured, every time.
    Manufactured from high quality materials for a long service lifeEasy to install
    $3.96
    In Stock - Ships within 24 hrs
  • Dura-Bond® - Hollow Dowel Pin
    Dura-Bond® - Hollow Dowel Pin
    0
    # 3147014451
    Workhorse W42 4.8L 2009, Hollow Dowel Pin by Dura-Bond®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed to...
    Rigorously tested to withstand years of abuseHigh-grade materials for long-lasting durability
    $4.63 - $6.16
    In Stock - Ships within 24 hrs




Semi Truck Engine