2003 Peterbilt 379 Engine
Select Your Submodel
- Engine Blocks
- Valves & Valvetrain Parts
- Pistons, Rings & Connecting Rods
- 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 Management Systems
- Engine Bearings
- Engine Rebuild Kits
- Intercoolers
- Throttle Bodies
- Motor Oils
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Dayco®Poly Rib™ Serpentine BeltPeterbilt 379 14.6L / 15.8L with A/C 2003, Poly Rib™ Serpentine Belt by Dayco®. Length: 53". This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...Made with precision and quality in mindDesigned to meet your specific needs$21.64 - Dayco®Top Cog™ GOLD Label™ V-BeltPeterbilt 379 2003, Top Cog™ GOLD Label™ V-Belt by Dayco®. Built with cogs in its top, the belt provides additional flexibility around small pulleys while the increased surface area results in a cooler running belt for prolonged...Constructed to deliver extended life in demanding diesel applicationsCogs in the top of the belt for increased flexibility around small pulleys$17.02 - $30.46
- Goodyear Belts®Accessory Drive V-BeltPeterbilt 379 2003, Accessory Drive V-Belt by Goodyear Belts®. Goodyear Belts has developed V-belts that meet or exceed OE requirements, ensuring long belt life and quiet operation. Restore your belt drive system’s efficiency by...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$12.84 - $20.52
- Goodyear Belts®Serpentine Multi V-BeltPeterbilt 379 2003, 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 efficiency...Meets or Exceeds OEM SpecificationsLong-life EPDM Rubber Compound$19.59 - $65.31
- Gates®Accessory Belt Drive KitPeterbilt 379 2003, Accessory Belt Drive Kit 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 life...Performing a complete system repair doesn't add much time, but adds a lot of value (and protects against returns)Without proper tension, even the best new belt can’t efficiently transfer power$194.39
- Gates®Green Stripe™ DriveAlign™ Heavy Duty Drive Belt Tensioner AssemblyPeterbilt 379 2003, Green Stripe™ DriveAlign™ Heavy Duty Drive Belt Tensioner Assembly by Gates®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...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$129.85
- ACDelco®Professional™ Idler PulleyPeterbilt 379 2003, 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 belt...Bearing is designed for application specific speed and load requirementsProvides reliable operation under severe conditions for year round performance$50.42
- Continental® ContiTech™Elite™ Drive Belt Tensioner AssemblyPeterbilt 379 2003, 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 vibration-free...Constructed to match OE form, fit, and functionMaintains its correct alignment to the belt and correct accessory belt tension$66.02 - $185.48
- Dayco®No Slack™ Heavy Duty Idler/Tensioner PulleyPeterbilt 379 2003, No Slack™ Heavy 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$35.43
- PAI®Accessory DrivePeterbilt 379 12.7L 2003, Accessory Drive by PAI®. Sold Individually. 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....With 34 tooth Helical Drive Gear for 12.7L engine2 Years Warranty$1,227.86
- PAI®Camshaft BearingPeterbilt 379 10.8L 2003, Camshaft Bearing by PAI®. 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 provide...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$12.68
- PAI®Camshaft Bearing KitPeterbilt 379 2003, Camshaft Bearing Kit by PAI®. 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 provide a...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$14.04 - $269.59
- PAI®Compressor Mounting GasketsPeterbilt 379 2003, Compressor Mounting Gaskets by PAI®. 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$8.10 - $20.21
- PAI®Connecting Rod BearingPeterbilt 379 14.6L / 15.8L 2003, Connecting Rod Bearing by PAI®. 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....Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$29.14
- PAI®Cylinder Head GasketPeterbilt 379 2003, Cylinder Head Gasket by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$61.89 - $537.47
- PAI®Engine Oil PumpPeterbilt 379 2003, Engine Oil Pump by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$7.70 - $933.27
- PAI®High Performance™ Connecting Rod Bearing SetPeterbilt 379 2003, High Performance™ Connecting Rod Bearing Set by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$26.34 - $35.78
- PAI®High Performance™ Crankshaft Main Bearing KitPeterbilt 379 2003, High Performance™ Crankshaft Main Bearing Kit by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$310.38 - $374.26
- PAI®Lower Bearing KitPeterbilt 379 12.7L 2003, Lower Bearing Kit by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$524.73 - $548.17
- PAI®Thrust BearingPeterbilt 379 3406 Engine 2003, Thrust Bearing by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$35.21
- PAI®Timing Cover GasketPeterbilt 379 2003, Timing Cover Gasket by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$4.64 - $32.20
- Dorman HD Solutions®Camshaft Position SensorPeterbilt 379 2003, Camshaft Position Sensor by Dorman HD Solutions®. This direct replacement camshaft position sensor matches the fit and performance of a failed original equipment sensor to restore proper engine starting and running,...Direct replacement - this camshaft position sensor matches the fit and performance of the original equipment sensorDurable construction - this part is manufactured to exacting standards to ensure reliable performance and durability$38.28 - $68.63
- MotoRad®Oil Filler CapPeterbilt 379 12.7L 2003, Oil Filler Cap by MotoRad®. 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...Made with precision and quality in mindDesigned to meet your specific needs$13.52
- PAI®Electrical Connector GasketsPeterbilt 379 14.6L / 15.8L 2003, Electrical Connector Gaskets by PAI®. 5 Pieces. 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$3.54
- PAI®Engine Oil Pan BoltPeterbilt 379 12.7L 2003, Engine Oil Pan Bolt by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$13.82
- PAI®Engine Oil Pan IsolatorPeterbilt 379 2003, Engine Oil Pan Isolator by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$3.85 - $19.26
- PAI®Oil Feed GasketsPeterbilt 379 10.3L / 12.0L / 12.5L / 14.6L / 15.8L 2003, Oil Feed Gaskets by PAI®. 6 Pieces. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$8.73
- Dorman HD Solutions®Oil Drain Plug GasketPeterbilt 379 2003, Oil Drain Plug Gasket by Dorman HD Solutions®. These oil drain plug gaskets are designed to specific sizes and standards for reliable replacement at every oil change. Perfect for your vehicle and lifestyle, it is...Direct replacement - these engine oil drain plug gaskets are made to match the fit and performance of the original equipment componentsRestores functionality - built to restore a proper seal$12.68 - $16.76
- PAI®Oil Filter Base GasketPeterbilt 379 10.3L / 12.0L / 12.5L 2003, Oil Filter Base Gasket by PAI®. 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$22.51
- PAI®Push RodPeterbilt 379 3406 Engine 2003, Push Rod by PAI®. 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$27.62
