2003 Peterbilt 378 Engine Pulleys

Semi Truck Engine Pulleys
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10.3L
10.8L
12.0L
14.9L
  • Gates® - DriveAlign™ Drive Belt Idler Pulley
    Gates®DriveAlign™ Drive Belt Idler Pulley
    0
    # 1231404075
    Peterbilt 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 Assembly
    Continental® ContiTech™Elite™ Drive Belt Idler Assembly
    0
    # 690488719
    Peterbilt 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 Assembly
    Dayco®No Slack™ Heavy Duty Automatic Belt Tensioner Assembly
    0
    # 1147557832
    Peterbilt 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
  • Dayco® - No Slack™ Heavy Duty Idler/Tensioner Pulley
    Dayco®No Slack™ Heavy Duty Idler/Tensioner Pulley
    0
    # 1147651808
    Peterbilt 378 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
  • Gates® - Accessory Belt Drive Kit
    Gates®Accessory Belt Drive Kit
    0
    # 1147608834
    Peterbilt 378 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 Assembly
    Gates®Green Stripe™ DriveAlign™ Heavy Duty Drive Belt Tensioner Assembly
    0
    # 1231327477
    Peterbilt 378 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
    $125.39
  • Continental® ContiTech™ - Elite™ Drive Belt Idler Pulley
    Continental® ContiTech™Elite™ Drive Belt Idler Pulley
    0
    # mpn335841977
    Peterbilt 378 10.8L 2003, Elite™ Drive Belt Idler Pulley 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
    $27.61
  • ACDelco® - Professional™ Idler Pulley
    ACDelco®Professional™ Idler Pulley
    0
    # 1231404142
    Peterbilt 378 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
    $59.24Save: 15%
    $50.36
  • SKP® - Drive Belt Idler Pulley
    SKP®Drive Belt Idler Pulley
    0
    # 4431456633
    Peterbilt 378 2003, 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
    $11.71
  • Continental® ContiTech™ - Elite™ Drive Belt Tensioner Assembly
    Continental® ContiTech™Elite™ Drive Belt Tensioner Assembly
    0
    # mpn335844500
    Peterbilt 378 10.8L 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...
    Constructed to match OE form, fit, and functionMaintains its correct alignment to the belt and correct accessory belt tension
    $66.02
  • ACDelco® - Professional™ New Design Heavy Duty Belt Tensioner & Pulley Assembly
    ACDelco®Professional™ New Design Heavy Duty Belt Tensioner & Pulley Assembly
    0
    # 1231327505
    Peterbilt 378 2003, Professional™ New Design Heavy Duty Belt Tensioner & Pulley Assembly 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
    $233.54Save: 15%
    $198.51
  • Dorman HD Solutions® - Drive Belt Tensioner
    Dorman HD Solutions®Drive Belt Tensioner
    0
    # mpn4888939101
    Peterbilt 378 14.9L 2003, Drive Belt Tensioner by Dorman HD Solutions®. 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...
    Made with precision and quality in mindDesigned to meet your specific needs
    $225.94
  • Goodyear Belts® - Drive Belt Idler Pulley
    Goodyear Belts®Drive Belt Idler Pulley
    0
    # 5006887843
    Peterbilt 378 2003, Drive Belt Idler Pulley by Goodyear Belts®. 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...
    Made with precision and quality in mindDesigned to meet your specific needs
    $30.51
  • Goodyear Belts® - Drive Belt Tensioner
    Goodyear Belts®Drive Belt Tensioner
    0
    # 5006908887
    Peterbilt 378 2003, Drive Belt Tensioner by Goodyear Belts®. 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...
    Made with precision and quality in mindDesigned to meet your specific needs
    $157.64
  • Replacement - Drive Belt Tensioner
    ReplacementDrive Belt Tensioner
    0
    # mpn5058209910
    Peterbilt 378 14.9L 2003, Drive Belt Tensioner by Replacement. Engine parts play a major role in ensuring the smooth and efficient running of a vehicle, directly impacting its performance and user experience. Replacement specializes in...
    Cost-effective alternative to expensive OEM parts without compromising qualityExpertly crafted as a direct replacement for your vehicle's old engine parts
    Call for Pricing


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