2004 Workhorse P42 Engine
Select Your Submodel
- Engine Assemblies
- Engine Blocks
- Valves & Valvetrain Parts
- Oil Filters
- Serpentine Belts & Auxiliary Drive Belts
- Valve Covers
- Timing Gears, Chains & Covers
- Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Engine Pulleys
- Engine Sensors, Relays, Switches
- Oil Coolers
- Crankshafts
- Harmonic Balancers
- Engine Rebuild Kits
- Throttle Bodies
- Motor Oils
-
WIX®Full-Flow Lube Engine Oil FilterWorkhorse P42 6.5L USA Built 2004, Full-Flow Lube Engine Oil Filter by WIX®. Designed utilizing the latest technology, this product by Wix features premium quality and will perform better than advertised. Perfect for your vehicle and...You use conventional, synthetic or synthetic-blended motor oilsYour drives are stop-and-go, either in the city or in heavy traffic$9.05 - WIX®Full-Flow Lube Engine Oil FilterWorkhorse P42 6.5L USA Built 2004, Full-Flow Lube Engine Oil Filter by WIX®. Designed utilizing the latest technology, this product by Wix features premium quality and will perform better than advertised. Perfect for your vehicle and...You use conventional, synthetic or synthetic-blended motor oilsYour drives are stop-and-go, either in the city or in heavy traffic$9.05
- ARP®Rocker Arm Stud KitWorkhorse P42 7.4L With Chevy Small Block 2004, Rocker Arm Stud Kit by ARP®. The engineers at ARP spent quite a bit of time developing these highly effective, unique oil pan studs. They’re designed to make it as easy as possible to...Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability$103.59
- PPE®Main Stud KitWorkhorse P42 2004, Main Stud Kit by PPE®. Increasing the boost that is fed into your truck engine is great for horsepower, but it places additional stress on stock pieces that were not designed to take it. The main bolts are some of...Made from 8740 chromoly with black oxide finishThread-rolled to Mil-S-8879 specifications$229.49 - $292.64
- Gates®Micro-V™ V-Ribbed BeltWorkhorse P42 6.5L without A/C 2004, Micro-V™ V-Ribbed Belt by Gates®. Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are OE-equivalent, or better,...Special belt construction eliminates belt noise, reduces tension loss, and solves problem drive applicationsUtilizes advanced materials like Aramid Fiber found in bullet-proof vests and crack and heat-resistant EPDM materials$31.89 - $33.15
- ACDelco®Specialty™ Heavy Duty V-Ribbed Serpentine BeltWorkhorse P42 6.5L without A/C 2004, Specialty™ Heavy Duty V-Ribbed Serpentine Belt by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised....Made with precision and quality in mindDesigned to meet your specific needs$41.92 - $41.93
- Dorman®Autograde™ Engine Oil Drain PlugWorkhorse P42 6.5L 2004, Autograde™ Engine Oil Drain Plug by Dorman®. Dorman's Oil Drain Plugs are coated for high corrosion resistance and a long service life. Designed to provide a perfect fit for a hassle free installation, this...Oil Drain Plugs are designed and constructed to strict engineering quality standardsThe finest quality at a great price$3.43 - $30.26
- Gates®DriveAlign™ Drive Belt Idler PulleyWorkhorse P42 6.5L 2004, DriveAlign™ Drive Belt Idler Pulley by Gates®. Built to last by resisting dirt, salt, and other under-hood contaminants and are designed for use on passenger cars and light trucks as a locked center tensioning...High quality construction provides high durability for long lifeBearing meets or exceeds OE and is designed for application specific speed and load requirements$22.11 - $37.96
- Continental® ContiTech™Elite™ Drive Belt Idler AssemblyWorkhorse P42 6.5L 2004, 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$19.65 - $40.63
- Dayco®No Slack™ Automatic Belt Tensioner AssemblyWorkhorse P42 6.5L 2004, No Slack™ Automatic Belt Tensioner Assembly by Dayco®. Serpentine belt drives consist of a single belt that powers most, if not all, of the engine’s accessories. Designed to maintain constant tension on...Heavy duty cast aluminum spring case that resists cracking and fatigueSteel pivot tube which provides additional strength for critical torque requirements$63.01
- ACDelco®Professional™ Standard V-Ribbed Serpentine BeltWorkhorse P42 6.5L without A/C 2004, Professional™ Standard V-Ribbed Serpentine Belt by ACDelco®. Made of EPDM rubber for long life and quiet, dependable performance, ACDelco Professional Automotive Belts are designed to meet or...Made with precision and quality in mindDesigned to meet your specific needs$44.73 - $56.63
- Continental® ContiTech™Conti-V Multirib™ Serpentine BeltWorkhorse P42 6.5L without A/C 2004, Conti-V Multirib™ Serpentine Belt by Continental® ContiTech™. Designed to transmit torque and drive engine accessories, this serpentine belt provides quieter and cooler performance, greater...OE quality product for safe, reliable, and efficient performanceProvides quiet performance, even in wet conditions$28.33 - $29.54
- Goodyear Belts®Serpentine Multi V-BeltWorkhorse P42 6.5L 2004, Serpentine Multi V-Belt by Goodyear Belts®. Goodyear Belts has developed multi V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$30.02 - $33.11
- Dorman®OE Solutions™ Engine Oil PanWorkhorse P42 6.5L 2004, OE Solutions™ Engine Oil Pan by Dorman®. 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.Direct replacement - this engine oil pan is made to match the original pan on specific vehiclesComplete assembly - includes replacement pan and drain plugs to match original components$94.10
- Agility®Engine Oil PanWorkhorse P42 6.5L 2004, Engine Oil Pan by Agility®. Agility products have gone through extensive development and testing to insure the products they sell to meet the expectations of their customers and market satisfaction.Meets or exceeds OE manufacturer's specifications100% performance and fit-tested$107.05
- SKP®Engine Oil PanWorkhorse P42 6.5L 2004, Engine Oil Pan 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 from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$79.38
- Gates®DriveAlign™ OE Exact Automatic Belt TensionerWorkhorse P42 6.5L 2004, DriveAlign™ OE Exact Automatic Belt Tensioner by Gates®. 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...Comprehensive line includes parts to fit cars, vans, SUVs, and light trucksFull line coverage for import, domestic, and heavy-duty cars, trucks, and vehicle applications$52.65
- ACDelco®Professional™ Drive Belt Tensioner AssemblyWorkhorse P42 6.5L 2004, Professional™ Drive Belt Tensioner Assembly by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your...Right for your vehicle and lifestyleMade from high-quality materials for ultimate durability$63.87
- ACDelco®Professional™ Idler PulleyWorkhorse P42 6.5L 2004, Professional™ Idler Pulley by ACDelco®. The ACDelco Professional, premium aftermarket Idler Pulley is designed for use on automobiles and light duty trucks as a locked center tensioning pulley, an automatic...Bearing is designed for application specific speed and load requirementsProvides reliable operation under severe conditions for year round performance$27.16 - $61.49
- Continental® ContiTech™Elite™ Drive Belt Tensioner AssemblyWorkhorse P42 6.5L 2004, 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$58.64
- Dayco®No Slack™ Light Duty Idler/Tensioner PulleyWorkhorse P42 6.5L 2004, No Slack™ Light Duty Idler/Tensioner Pulley by Dayco®. Dayco's reputation for top performance idler and tensioner pulleys is a result of advanced automotive technologies employed in materials research, design...Made with precision and quality in mindDesigned to meet your specific needs$28.90
- Dorman®TECHoice™ Automatic Belt TensionerWorkhorse P42 7.4L 2004, TECHoice™ Automatic Belt Tensioner by Dorman®. This replacement belt tensioner assembly is designed to match the fit and function of the original equipment belt tensioner on specified vehicles. Engineered with...Ideal replacement - this drive belt tensioner is a direct replacement for the original tensioner on specified vehicle years, makes and modelsDurable construction - this tensioner assembly is made using quality components to ensure durability and performance$28.61
- Dorman®TECHoice™ Idler PulleyWorkhorse P42 2004, TECHoice™ Idler Pulley by Dorman®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models,...Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley$11.20 - $16.34
- Dorman HD Solutions®Idler PulleyWorkhorse P42 2004, Idler Pulley by Dorman HD Solutions®. This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models,...Direct replacement - this accessory drive belt idler pulley matches the fit and function of the original equipment pulley on specified vehiclesRestores performance - fixes a failed, squealing or groaning noise from a worn idler pulley$16.04 - $19.57
- SKP®Drive Belt Idler PulleyWorkhorse P42 2004, 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 from...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.15 - $6.77
- SKP®Drive Belt TensionerWorkhorse P42 6.5L 2004, 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$42.77
- National®Crankshaft SealWorkhorse P42 7.4L 2004, 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$9.59 - $28.80
- Dorman®OE Solutions™ Crankshaft Position SensorWorkhorse P42 6.5L 2004, OE Solutions™ Crankshaft Position Sensor by Dorman®. This direct replacement crankshaft position sensor matches the fit and function of the original equipment sensor for a reliable repair. This part has...Direct replacement - this crankshaft position sensor is a precise match for the fit and function of the original equipment sensorReady to install - matches the factory-style connector for plug-and-play installation$30.89
- Dorman®OE Solutions™ Harmonic Balancer Assembly KitWorkhorse P42 6.5L 2004, OE Solutions™ Harmonic Balancer Assembly Kit by Dorman®. Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the damaging effects of heat, salt, ozone and...Direct replacement to ensure proper fitBenchmarked against OE performance to meet strict quality standards$70.59 - $125.55
- Dorman®OE Solutions™ Passenger Side Valve Cover KitWorkhorse P42 6.5L 2004, OE Solutions™ Passenger Side Valve Cover Kit by Dorman®. With Liquid Gasket & Bolts. Save time and money with the Dorman Engine Valve Cover. The engine valve cover is designed to protect the cylinder head, and...Direct replacement - this valve cover matches the original equipment part for fit and functionDurable construction - this valve cover is made of quality materials to withstand extreme temperatures to resist leaking$114.16
