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
- Engine Oil Pans, Drain Plugs & Dipsticks
- Cylinder Heads
- Engine Pulleys
- Engine Sensors, Relays, Switches
- Oil Pumps
- Oil Coolers
- Camshafts
- Crankshafts
- Engine Bearings
- Engine Rebuild Kits
- Intercoolers
- Throttle Bodies
- Motor Oils
- PAI®Camshaft Plate GasketPeterbilt 379 2003, Camshaft Plate Gasket by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$4.43 - $8.77
- PAI®Camshaft Rectangular Sealing RingPeterbilt 379 14.9L 2003, Camshaft Rectangular Sealing Ring 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$3.99
- PAI®Camshaft Thrust Plate SealPeterbilt 379 12.7L / 8.5L 2003, Camshaft Thrust Plate Seal 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$9.22
- PAI®Connecting Rod BushingPeterbilt 379 12.7L / 8.5L 2003, Connecting Rod Bushing 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$25.25
- PAI®Cylinder Head BoltPeterbilt 379 12.7L / 8.5L 2003, Cylinder Head 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....Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$9.38 - $167.21
- PAI®Cylinder Head Spacer ShimPeterbilt 379 3406 Engine 2003, Cylinder Head Spacer Shim 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$602.69
- PAI®Engine Oil Pump SealPeterbilt 379 2003, Engine Oil Pump Seal 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$2.18 - $65.66
- PAI®Engine Spacer PlatePeterbilt 379 14.6L / 15.8L 2003, Engine Spacer Plate 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...Cylinder Block2 Years Warranty$571.58
- PAI®Liner ShimsPeterbilt 379 2003, Liner Shims 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$18.33 - $86.27
- PAI®Oil Pressure Feed LinePeterbilt 379 12.7L 2003, Oil Pressure Feed Line 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$65.07 - $85.82
- PAI®Oil Pressure Pump Regulator ValvePeterbilt 379 2003, Oil Pressure Pump Regulator Valve 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$49.09 - $126.33
- PAI®Oil Return GasketPeterbilt 379 10.8L 2003, Oil Return 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$0.83 - $2.46
- PAI®Piston Cooling NozzlesPeterbilt 379 2003, Piston Cooling Nozzles 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$14.47 - $17.04
- 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$27.75
- PAI®Valve Cover GasketPeterbilt 379 2003, Valve Cover Gasket by PAI®. Designed utilizing the latest technology, this product by PAI features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$28.62 - $176.50
- PAI®Valve Cover GrommetsPeterbilt 379 14.6L / 15.8L 2003, Valve Cover Grommets 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$6.90
- PAI®Valve Stem Seal SetPeterbilt 379 12.7L / 8.5L 2003, Valve Stem Seal 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 craftsmanship....Intake / Exhaust2 Years Warranty$2.47
- Dorman HD Solutions®Oil Temperature SensorPeterbilt 379 14.9L 2003, Oil Temperature Sensor by Dorman HD Solutions®. This engine oil temperature sensor is designed to match the fit and function of the original sensor on specified vehicles, and is engineered for durability and...Direct replacement - this engine oil temperature sensor is designed to match the fit and function of the original sensor on specified vehiclesIdeal solution - this sensor is a reliable replacement for an original part that has failed due to fatigue or electrical malfunction$185.82
- Dorman HD Solutions®Valve Cover GasketPeterbilt 379 10.8L 2003, Valve Cover Gasket by Dorman HD Solutions®. This valve cover gasket is designed to precisely match the original equipment gasket for specific engine applications. Made of durable materials, this gasket provides...Ideal replacement - this valve cover gasket matches the fit and function of the original equipment gasketDurable materials - this valve cover gasket is made of quality materials for a reliable, long-lasting seal$85.60
- 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
- Phillips & Temro®Immersion Engine HeaterPeterbilt 379 3406 Engine 2003, Immersion Engine Heater by Phillips & Temro®. 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...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$87.36 - $97.20
- PAI®Aftercooler GasketsPeterbilt 379 14.6L / 15.8L 2003, Aftercooler Gaskets by PAI®. 4 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$1.74
- Dorman HD Solutions®Throttle Position SensorPeterbilt 379 2003, Throttle Position Sensor by Dorman HD Solutions®. Is your car noisier these days? Can you smell exhaust fumes in the cabin? Exhaust system repairs should not be put off, both for safety and legal reasons, but before...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$120.92 - $316.99
- PAI®Upper Engine Gasket SetPeterbilt 379 2003, Upper Engine Gasket 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 craftsmanship. Manufactured from...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$310.12 - $600.40
- PAI®Engine Oil CoolerPeterbilt 379 2003, Engine Oil Cooler 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$871.96 - $960.75
- PAI®Crankshaft DamperPeterbilt 379 2003, Crankshaft Damper 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$660.63
- PAI®Crankshaft Damper KitPeterbilt 379 2003, Crankshaft Damper 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$612.19
- PAI®Cylinder Head Stud KitPeterbilt 379 12.5L 2003, Cylinder Head Stud 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...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$386.91
- PAI®Valve Cover Bolt AssemblyPeterbilt 379 14.9L 2003, Valve Cover Bolt Assembly 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 in mind. It will...Perfect blend of leading innovations and superior workmanshipManufactured to offer high value and everlasting reliability$11.20
- PAI®Valve Cover Bolt IsolatorsPeterbilt 379 10.8L 2003, Valve Cover Bolt Isolators 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$6.11