2008 Workhorse W42 Engine
Select Your Submodel
- Engine Assemblies
- 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 Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Bearings
- Harmonic Balancers
- Throttle Bodies
- Motor Oils
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CVR Performance®Spin-On Oil Filter MountWorkhorse W42 4.8L With Chevy Small Block 2008, Spin-On Oil Filter Mount by CVR Performance®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...Eliminates the filter bypass port for 100% complete filtrationIncludes O-ring seal & hardware$38.92 - Luber-finer®Spin-On Engine Oil FilterWorkhorse W42 4.5L with H06CTM Engine 2008, Spin-On Engine Oil Filter by Luber-finer®. Oil is the lifeblood of the heavy duty engine. Luber-finer high-efficiency oil filters provide protection from oil contaminants to help ensure...Extended Line of cartridge and spin-on filtersWide Selection Of Filters Providing Broad Coverage$8.25
- ARP®Rocker Arm Stud KitWorkhorse W42 4.8L With Chevy Small Block 2008, 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
- Gates®Micro-V™ V-Ribbed BeltWorkhorse W42 4.8L 2008, 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, in service...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$29.01 - $41.79
- ACDelco®Specialty™ Heavy Duty V-Ribbed Serpentine BeltWorkhorse W42 4.8L with A/C 2008, Specialty™ Heavy Duty V-Ribbed Serpentine Belt by ACDelco®. Length: 37.89". Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Made with precision and quality in mindDesigned to meet your specific needs$35.39Save: $5.77 (16%)$29.62
- Dorman®Autograde™ Engine Oil Drain PlugWorkhorse W42 4.8L 2008, 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$2.05 - $21.38
- Gates®DriveAlign™ Drive Belt Idler PulleyWorkhorse W42 4.8L 2008, 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$17.80 - $30.53
- Dayco®No Slack™ Automatic Belt Tensioner AssemblyWorkhorse W42 4.8L 2008, 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$41.18 - $45.18
- Dayco®No Slack™ Light Duty Idler/Tensioner PulleyWorkhorse W42 4.8L 2008, 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$17.24 - $28.12
- ACDelco®Professional™ Standard V-Ribbed Serpentine BeltWorkhorse W42 4.8L 2008, 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 exceed OEM...Made with precision and quality in mindDesigned to meet your specific needs$36.31 - $78.67Save: 16%$30.44 - $65.97
- Goodyear Belts®Serpentine Multi V-BeltWorkhorse W42 4.8L 2008, 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$20.11 - $33.71
- Dorman®HELP™ Engine Oil Drain PlugWorkhorse W42 4.8L 2008, HELP™ Engine Oil Drain Plug by Dorman®. Dorman's Oil Drain Plugs are coated for high corrosion resistance and a long service life. Designed using state-of-the-art technology and with customers in mind. It will...Direct replacement for a proper fit every timeDorman's oversized, piggyback, and rubber expanding plugs eliminate the need to replace the entire pan, saving you time, labor and money$2.15
- Dorman®OE Solutions™ Engine Oil PanWorkhorse W42 4.8L 2008, 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$175.77 - $186.76
- SKP®Engine Oil PanWorkhorse W42 4.8L 2008, 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$137.24 - $145.34
- Gates®DriveAlign™ OE Exact Automatic Belt TensionerWorkhorse W42 4.8L 2008, 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$32.79 - $35.24
- Continental® ContiTech™Elite™ Drive Belt Tensioner AssemblyWorkhorse W42 4.5L 2008, 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$83.68
- Dayco®Serpentine Belt KitWorkhorse W42 4.8L 2008, Serpentine Belt Kit by Dayco®. Designed utilizing the latest technology, this product by Dayco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Made with precision and quality in mindDesigned to meet your specific needs$56.76
- Dorman HD Solutions®Idler PulleyWorkhorse W42 2008, 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
- ACDelco®Professional™ Drive Belt Idler PulleyWorkhorse W42 4.8L 2008, Professional™ Drive Belt 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...Bearing is designed for application specific speed and load requirementsProvides reliable operation under severe conditions for year round performance$27.81Save: $4.50 (16%)$23.31
- ACDelco®Professional™ Drive Belt Tensioner AssemblyWorkhorse W42 4.8L 2008, 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$46.25 - $49.06Save: up to 17%$38.61 - $41.14
- ACDelco®Professional™ Idler PulleyWorkhorse W42 4.8L 2008, 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$37.13 - $40.98Save: 16%$31.12 - $34.35
- Dorman®TECHoice™ Automatic Belt TensionerWorkhorse W42 4.8L 2008, 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$27.44 - $31.40
- Dorman®TECHoice™ Regular Idler PulleyWorkhorse W42 2008, TECHoice™ Regular 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...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$11.57 - $15.05
- SKP®Drive Belt Idler PulleyWorkhorse W42 4.8L 2008, 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$5.61 - $13.99
- SKP®Drive Belt TensionerWorkhorse W42 4.8L 2008, 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$21.52 - $28.76
- Dorman®OE Solutions™ Main Seal Cover KitWorkhorse W42 4.8L 2008, OE Solutions™ Main Seal Cover Kit by Dorman®. Ensure the proper sealing of the engine with Dorman's Engine Rear Main Seal Cover. The Seal Cover is designed from high-quality materials to stop and prevent...Comes with bolts and gaskets - everything necessary for a complete repairConstructed from aluminum for long-lasting performance$53.70
- Febi®Engine Oil Pump ChainWorkhorse W42 4.8L 2008, Engine Oil Pump Chain 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. Manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$35.76
- SKP®Rear Crankshaft SealWorkhorse W42 4.8L 2008, 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$38.99
- Dorman®OE Solutions™ Aluminum Timing Chain CoverWorkhorse W42 4.8L 2008, 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$89.45
- Dorman®OE Solutions™ Center Inner Regular Grade Type Harmonic Balancer Assembly KitWorkhorse W42 2008, OE Solutions™ Center Inner Regular Grade Type Harmonic Balancer Assembly Kit by Dorman®. Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the damaging effects of...Direct replacement to ensure proper fitBenchmarked against OE performance to meet strict quality standards$96.30
