2003 Peterbilt 378 Engine Cooling
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Gates®Engine Coolant Heavy Duty Water PumpPeterbilt 378 2003, Engine Coolant Heavy Duty Water Pump by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured...Great design and functionMade from sturdy materials$320.37 - $366.17 - ACDelco®Professional™ Engine Coolant Bypass HosePeterbilt 378 2003, Professional™ Engine Coolant Bypass Hose 2.5" by ACDelco®. Composed of specially blended materials to deliver long-life performance, ACDelco Professional™ Automotive Coolant Hoses are designed to resist buckling...Protective sleeves help duplicate GM Original Equipment™ for proper fit and function.Designed to resist electrochemical degradation for durability.$85.15
- Continental® ContiTech™Elite™ Straight Engine Coolant Standard Straight Radiator HosePeterbilt 378 2003, Elite™ Straight Engine Coolant Standard Straight Radiator Hose by Continental® ContiTech™. This flexible hose can be used to replace a molded radiator hose. It has a corrugated cover that easily follows the bends...Versigard EPDM rubber tube and coverDesigned to withstand temperature from -40°F to +257°F$29.33 - $70.19
- USMW Professional Series®Engine Water PumpPeterbilt 378 14.9L 2003, Engine Water Pump by USMW Professional Series®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or malfunctioning part,...Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency$363.79
- Gates®Heavy Duty Engine Coolant ThermostatPeterbilt 378 2003, Heavy Duty Engine Coolant Thermostat by Gates®. With Seal. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and...Great design and functionMade from sturdy materials$27.07 - $37.13
- MotoRad®Engine Coolant ThermostatPeterbilt 378 2003, Engine Coolant Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high-quality product used in their...Offer precise pressure controlEnsure the proper fit$15.82 - $40.87
- PAI®Engine Coolant ThermostatPeterbilt 378 2003, Engine Coolant Thermostat 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...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$34.95 - $39.94
- Stant®Heavy Duty Engine Coolant ThermostatPeterbilt 378 2003, Heavy Duty Engine Coolant Thermostat by Stant®. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC® Thermostat Cutaway heat motor has a uniquely...Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.$16.88 - $44.92
- PAI®Engine Coolant Water Pump Inlet TubePeterbilt 378 10.8L / 14.9L 2003, Engine Coolant Water Pump Inlet Tube by PAI®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$6.90
- Wehrli Custom Fabrication®Upper Coolant Pipe KitPeterbilt 378 10.8L / 14.9L 2003, Upper Coolant Pipe Kit by Wehrli Custom Fabrication®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials,...Made to keep your engine running coolImproves your vehicle's performance$144.53 - $168.78
- WIX®Coolant Spin-On FilterPeterbilt 378 2003, Coolant Spin-On Filter by WIX®. WIX has applied years of research and development in filter media technology to create the industry’s highest performing coolant filters. Coolant filters help maintain proper heat...Protect your cooling systemHighly durable and reliable$18.02 - $80.15
- PAI®Engine Coolant Water Pump O-RingPeterbilt 378 2003, Engine Coolant Water Pump O-Ring 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...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$3.35 - $5.38
- Baldwin Filters®Coolant Spin-On FilterPeterbilt 378 2003, Coolant Spin-On Filter by Baldwin Filters®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will surely provide...Made to keep your engine running coolImproves your vehicle's performance$16.23 - $67.03
- PAI®2 Pin Connector Coolant Level SensorPeterbilt 378 12.7L 2003, 2 Pin Connector Coolant Level Sensor 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...2 Years WarrantyPerfect blend of leading innovations and superior workmanship$32.24 - $51.14
- PAI®Engine Coolant Thermostat GasketPeterbilt 378 2003, Engine Coolant Thermostat 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...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$4.10 - $7.80
- PAI®Engine Coolant Thermostat SealPeterbilt 378 12.7L 2003, Engine Coolant Thermostat Seal 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...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$5.29
- Gates®FleetRunner™ Heavy Duty V-BeltPeterbilt 378 L6 10.3L / 12.0L with A/C 2003, FleetRunner™ Heavy Duty V-Belt by Gates®. Length: 46". Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that...The finest quality at a great priceGates carries everything needed to complete the job$24.40
- Gates®Micro-V™ V-Ribbed BeltPeterbilt 378 L6 10.3L / 12.0L 2003, Micro-V™ V-Ribbed Belt by Gates®. Length: 74.66". Gates is the largest global manufacturer of OE timing belts. This means Gates is able to cover the Aftermarket with timing belts that are...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$39.19
- Gates®DriveAlign™ Drive Belt Idler PulleyPeterbilt 378 2003, 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$31.85
- Continental® ContiTech™Elite™ Drive Belt Idler AssemblyPeterbilt 378 2003, 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...Original equipment equivalentFactory-like fit and dependability$30.49
- Dayco®No Slack™ Heavy Duty Automatic Belt Tensioner AssemblyPeterbilt 378 2003, No Slack™ Heavy Duty 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...Heavy duty cast aluminum spring case that resists cracking and fatigueSteel pivot tube which provides additional strength for critical torque requirements$183.04
- Gates®Automotive XL™ V-BeltPeterbilt 378 L6 10.3L / 12.0L with A/C 2003, Automotive XL™ V-Belt by Gates®. Length: 46". This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and...Made with precision and quality in mindDesigned to meet your specific needs$19.89
- ACDelco®Professional™ Standard High Capacity V-BeltPeterbilt 378 L6 10.3L / 12.0L with A/C 2003, Professional™ Standard High Capacity V-Belt by ACDelco®. Length: 46". Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$31.35
- ACDelco®Professional™ Standard V-Ribbed Serpentine BeltPeterbilt 378 L6 10.3L / 12.0L 2003, Professional™ Standard V-Ribbed Serpentine Belt by ACDelco®. Length: 74.1". Made of EPDM rubber for long life and quiet, dependable performance, ACDelco Professional Automotive Belts are designed...Made with precision and quality in mindDesigned to meet your specific needs$101.02
- Continental® ContiTech™Conti-V Multirib™ Serpentine BeltPeterbilt 378 2003, 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 durability, and...OE quality product for safe, reliable, and efficient performanceProvides quiet performance, even in wet conditions$14.64 - $52.89
- Continental® ContiTech™Extreme Duty Multi V-BeltPeterbilt 378 2003, Extreme Duty Multi V-Belt by Continental® ContiTech™. 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...Made with precision and quality in mindDesigned to meet your specific needs$38.06 - $57.83
- Continental® ContiTech™Serpentine BeltPeterbilt 378 10.3L 2003, Serpentine Belt by Continental® ContiTech™. 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....Made with precision and quality in mindDesigned to meet your specific needs$32.09 - $42.38
- Continental® ContiTech™V-Groove Serpentine BeltPeterbilt 378 10.3L / 12.0L 2003, V-Groove Serpentine Belt by Continental® ContiTech™. Length: 46". This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of...Made with precision and quality in mindDesigned to meet your specific needs$17.98
- Dayco®GOLD Label™ Poly Rib Heavy Duty BeltPeterbilt 378 10.3L 2003, GOLD Label™ Poly Rib Heavy Duty Belt by Dayco®. The Dayco Gold Label™ serpentine belt is a diesel grade belt that features higher performance construction over conventional light duty belts in order to meet...The belt’s heavy-duty construction provides additional integrity without sacrificing flexibilityEngineered with high-grade EPDM compounds$48.07 - $61.40
- Dayco®Top Cog™ GOLD Label™ V-BeltPeterbilt 378 10.3L with A/C 2003, Top Cog™ GOLD Label™ V-Belt by Dayco®. Length: 46". Built with cogs in its top, the belt provides additional flexibility around small pulleys while the increased surface area results in a cooler...Constructed to deliver extended life in demanding diesel applicationsCogs in the top of the belt for increased flexibility around small pulleys$17.02
