2004 Peterbilt 378 Serpentine and V Belts
Keep Your 2004 Peterbilt 378 in Top Shape with Quality Serpentine and V Belts
Whether you’re repairing or upgrading your Serpentine and V Belt, using high-quality parts is key to keeping your 2004 Peterbilt 378 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Drive Belt Idler Assemblies, Serpentine Belts, and Serpentine Belt Drive Component Kits. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Serpentine and V Belts from Trusted Brands
Looking for a reliable Serpentine and V Belt? We’ve got you covered with options from brands you know and trust like Dayco. For example, Dayco Serpentine and V Belts start at just $66.99 with an average 4.5 star rating. With over 3 reviews and a solid 5.0 star average, you can shop with confidence knowing other Peterbilt 378 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2004 Peterbilt 378 Serpentine and V Belt at Advance Auto Parts is around $115.39, with a range that starts at $21.49 and goes up to $816.99. With 31 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K080991HD, Dayco Bottom Cog V-Belt 46.25 Inch Long, Exact Fit Premium Quality, 17463, and Gates FleetRunner Heavy-Duty V-Belt, 9590HD start at just $21.49 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Serpentine and V Belt, don’t forget to check out other key components like Belt Tensioners and Pulleys. At Advance Auto Parts, we’re here to help you keep your 2004 Peterbilt 378 in peak condition, inside and out.
Find Your Specific 2004 Peterbilt 378 Serpentine and V Belts
Looking for the perfect Serpentine and V Belt for your 2004 Peterbilt 378? You’re in the right place. Below, you’ll find links to various types of Serpentine and V Belts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Serpentine and V Belts, ensuring durability and a precise fit for your Peterbilt 378. Whether you’re driving a 2004 model or another popular model year like
1998,
1999,
2000,
2001,
2002,
2003,
2005,
2006, and
2007, we’ve got you covered. Purchasing Serpentine and V Belts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Serpentine and V Belts that fit your vehicle.
Essential 2004 Peterbilt 378 Serpentine and V Belts
Gates – Gates Micro-V Serpentine Drive Belt, K080991 (Part No.K080991)
from
$41.49
Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K120903HD (Part No.K120903HD)
from
$143.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
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Gates – Gates Micro-V Serpentine Drive Belt, K060539 (Part No.K060539)
from
$43.99
Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K080700HD (Part No.K080700HD)
from
$114.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
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Dayco – Poly Rib Belt, Premium, Dayco, 5120903 (Part No.5120903)
from
$77.99
Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. Engineered for high torque and power pulses, these belts also feature specially treated cords within the belt to resist stretching and ensure length stability.
See More
Gates – Gates FleetRunner Heavy-Duty Serpentine Belt Drive Component Kit, 90K-38569HDA (Part No.90K-38569HDA)
from
$816.99
Gates FleetRunner Heavy-Duty Serpentine Belt Drive Component Kit, 90K-38569HDA.
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Gates – Gates FleetRunner Heavy-Duty Serpentine Belt Drive Component Kit, 90K-38610HDC (Part No.90K-38610HDC)
from
$669.99
Gates FleetRunner Heavy-Duty Serpentine Belt Drive Component Kit, 90K-38610HDC.
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Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 57mm Width, Smooth, 89110 (Part No.89110)
from
$79.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
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Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 42.6mm Width, Smooth, 89109 (Part No.89109)
from
$65.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
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Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 38.3mm Width, Smooth, 89111 (Part No.89111)
from
$86.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
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Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 37.5mm Width, 8 Grooves, 89112 (Part No.89112)
from
$81.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
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Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 86.5mm Dia., 39.4mm Width, Smooth, 89106 (Part No.89106)
from
$57.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
See More
Gates – Gates Micro-V Serpentine Drive Belt, K080585 (Part No.K080585)
from
$62.99
Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K060539HD (Part No.K060539HD)
from
$51.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
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Dayco – V-Belt, 3 Ply Laminated Banded, Dayco, 2B17660 (Part No.2B17660)
from
$93.99
Dayco banded V-belts feature raw edge construction, a three-ply laminated fabric cover and EPDM design to ensure superior gripping power, while the belts’ bottom cog construction provides extreme flexibility and cooling. By combining two belts using the common backing process, Dayco banded V-belts greatly reduce the tendency for single belts, which when subjected to fluctuating load tensions, may come off or turn over in multiple pulley drives.
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Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K050340HD (Part No.K050340HD)
from
$19.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
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Gates – Gates Green Stripe PowerBand Truck & Bus Series Joined V-Belt, 2/TR28501PB (Part No.2/TR28501PB)
from
$83.99
Designed for problem, heavy-duty, heavily vibrating applications requiring belt sets. Tie-band feature joining belts together ensures stability lacking in ordinary belt sets.
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Gates – Gates Green Stripe Truck & Bus Series V-Belt, TR28583 (Part No.TR28583)
from
$59.99
Specifically designed for heavy-duty truck, bus and off-road equipment applications. Absorbs normal shock loads without damage to the belt.
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Gates – Gates Green Stripe Truck & Bus Series V-Belt, TR28376 (Part No.TR28376)
from
$58.99
Specifically designed for heavy-duty truck, bus and off-road equipment applications. Absorbs normal shock loads without damage to the belt.
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Gates – Gates Automotive XL High Capacity V-Belt, 9435 (Part No.9435)
Gates – Gates Green Stripe Truck & Bus Series V-Belt, TR28596 (Part No.TR28596)
from
$75.99
Specifically designed for heavy-duty truck, bus and off-road equipment applications. Absorbs normal shock loads without damage to the belt.
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Dayco – V-Belt, Top Cog, Dayco, 28480 (Part No.28480)
from
$22.49
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
See More
Gates – Gates Automotive XL High Capacity V-Belt, 9525 (Part No.9525)
from
$37.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Dayco – Dayco Bottom Cog V-Belt 53 Inch Long, Exact Fit Premium Quality, 17530 (Part No.17530)
from
$15.79
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
See More
Gates – Gates FleetRunner Heavy-Duty V-Belt, 9550HD (Part No.9550HD)
from
$51.99
Designed for the toughest applications, Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More
Gates – Gates FleetRunner Heavy-Duty V-Belt, 9520HD (Part No.9520HD)
from
$58.99
Designed for the toughest applications, Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More
Gates – Gates Automotive XL High Capacity V-Belt, 9540 (Part No.9540)
from
$39.49
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Dayco – V-Belt, Top Cog, Dayco, 17385 (Part No.17385)
from
$12.99
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
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Popular 2004 Peterbilt 378 Serpentine and V Belts Categories
Most Popular Drive Belt Idler Assemblies for 2004 Peterbilt 378s
Enhance your 2004 Peterbilt 378 with one of the 3 Drive Belt Idler Assemblies we have in stock, starting at just $65.99.
Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 38.3mm Width, Smooth, 89111 (Part No.89111)
from
$86.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
See More
Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 57mm Width, Smooth, 89110 (Part No.89110)
from
$79.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
See More
Dayco No Slack Gold Label – Dayco No Slack Gold Label Serpentine Idler/Tensioner Pulley Steel, 74mm Dia., 42.6mm Width, Smooth, 89109 (Part No.89109)
from
$65.99
Designed to replace idler and tensioner pulleys for serpentine drives in heavy-duty diesel engine applications, Dayco HD idler/tensioner pulleys are machined from high-strength steel or powdered metal material to provide excellent wear resistance under harsh environments. Dual pressed-in bearings provide long bearing life and protection against the shock loads experienced by today’s diesel trucks.
See More
Best-Selling 2004 Peterbilt 378 Serpentine Belts
Upgrade your 378 with one of our 18 best-selling Serpentine Belts, earning an average 5 stars rating across 3 reviews.
Dayco – Dayco Poly Rib Belt HD Serpentine Belt 73.03 Long, 8 Rib Count, Heavy Duty, 5080730 (Part No.5080730)
from
$66.99
Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. Engineered for high torque and power pulses, these belts also feature specially treated cords within the belt to resist stretching and ensure length stability.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K080991HD (Part No.K080991HD)
from
$89.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K060525HD (Part No.K060525HD)
from
$56.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K081023HD (Part No.K081023HD)
from
$141.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
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Dayco – Dayco Poly Rib Belt HD Serpentine Belt 74.02 Long, 8 Rib Count, Heavy Duty, 5080740 (Part No.5080740)
from
$63.99
Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. Engineered for high torque and power pulses, these belts also feature specially treated cords within the belt to resist stretching and ensure length stability.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K060637HD (Part No.K060637HD)
from
$52.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
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Dayco – Dayco Poly Rib Belt HD Serpentine Belt 100.5 Long, 8 Rib Count, Heavy Duty, 5081005 (Part No.5081005)
from
$65.99
Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. Engineered for high torque and power pulses, these belts also feature specially treated cords within the belt to resist stretching and ensure length stability.
See More
Gates – Gates Micro-V Serpentine Drive Belt, K080991 (Part No.K080991)
from
$41.49
Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K120903HD (Part No.K120903HD)
from
$143.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More
Gates – Gates Micro-V Serpentine Drive Belt, K120891 (Part No.K120891)
from
$139.99
Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K080740HD (Part No.K080740HD)
from
$125.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More
Gates – Gates Micro-V Serpentine Drive Belt, K120903 (Part No.K120903)
from
$97.99
Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.
See More
Dayco – Poly Rib Belt, Premium, Dayco, 5120903 (Part No.5120903)
from
$77.99
Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. Engineered for high torque and power pulses, these belts also feature specially treated cords within the belt to resist stretching and ensure length stability.
See More
Gates – Gates Micro-V Serpentine Drive Belt, K080730 (Part No.K080730)
from
$75.99
We are proud to offer this CARQUEST product line: CARQUEST Premium Serpentine Belts By Gates
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Dayco – Poly Rib Belt, Premium, Dayco, 5081025 (Part No.5081025)
from
$67.99
Produced for heavy-duty vehicles and buses with multiple accessories, Dayco HD poly-V belts are made from EPDM material to resist heat and are compliant with the latest standards, guaranteeing resistance, reliability, low noise and longer service life. Engineered for high torque and power pulses, these belts also feature specially treated cords within the belt to resist stretching and ensure length stability.
See More
Gates – Gates Micro-V Serpentine Drive Belt, K080740 (Part No.K080740)
from
$64.99
Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.
See More
Gates – Gates Micro-V Serpentine Drive Belt, K060539 (Part No.K060539)
from
$43.99
Import or domestic, car or truck, every vehicle can depend on the superior quality of Gates precision fit Micro-V belts. With advanced technology that matches the OE size, construction and materials, Gates Micro-V ensures optimal vehicle performance.
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Dayco – Poly Rib Belt, Premium, Dayco, 5060538 (Part No.5060538)
from
$24.99
Constructed with aramid reinforced EPDM compounds, the Dayco poly-V serpentine belt delivers more than just OE quality. Developed through extensive laboratory and road testing, the rib profile in this EPDM belt has been engineered to conform to high mileage, worn or misaligned drives and helps eliminate noisy belt conditions. Dayco poly rib serpentine belts offer extensive flexibility and longer service life, while handling higher workloads and temperatures.
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Top-Quality Serpentine Belt Drive Component Kits for 2004 Peterbilt 378s
Choose a high-quality OEM or aftermarket Serpentine Belt Drive Component Kit for Peterbilt 378s and enjoy top-notch performance from $669.99.
Gates – Gates FleetRunner Heavy-Duty Serpentine Belt Drive Component Kit, 90K-38569HDA (Part No.90K-38569HDA)
from
$816.99
Gates FleetRunner Heavy-Duty Serpentine Belt Drive Component Kit, 90K-38569HDA.
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Gates – Gates FleetRunner Heavy-Duty Serpentine Belt Drive Component Kit, 90K-38610HDC (Part No.90K-38610HDC)
from
$669.99
Gates FleetRunner Heavy-Duty Serpentine Belt Drive Component Kit, 90K-38610HDC.
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Our Top Pick for a 2004 Peterbilt 378 Drive Belt
Invest in a
durable Drive Belt for your 2004 Peterbilt, knowing you’re getting trusted brands and expert craftsmanship.
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K060539HD (Part No.K060539HD)
from
$51.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
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V-Belts for 2004 Peterbilt 378s
Make a smart move for your 2004 Peterbilt 378 with products all priced from $21.49 to $123.99.
Dayco – Dayco Bottom Cog V-Belt 46.25 Inch Long, Exact Fit Premium Quality, 17463 (Part No.17463)
from
$21.49
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
See More
Gates – Gates FleetRunner Heavy-Duty V-Belt, 9590HD (Part No.9590HD)
from
$44.99
Designed for the toughest applications, Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More
Gates – Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K080730HD (Part No.K080730HD)
from
$123.99
Gates Fleet Runner Micro-V Belts are designed for the toughest applications. Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures, making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More
Gates – Gates Green Stripe Truck & Bus Series V-Belt, TR22553 (Part No.TR22553)
from
$50.99
Specifically designed for heavy-duty truck, bus and off-road equipment applications. Absorbs normal shock loads without damage to the belt.
See More
Gates – Gates FleetRunner Heavy-Duty V-Belt, 9463HD (Part No.9463HD)
from
$43.99
Designed for the toughest applications, Fleet Runner construction provides superior flexibility, stability, load capacity, and unsurpassed belt life. Patented materials deliver peak performance at extreme prolonged operating temperatures making this belt the ultimate problem solver. An advanced blend of EPDM rubber technology withstands the modern threats of deterioration from increased exposure to ozone and water-based coolants. Fleet Runner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
See More
Gates – Gates Automotive XL High Capacity V-Belt, 9463 (Part No.9463)
from
$41.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Gates – Gates Automotive XL High Capacity V-Belt, 9590 (Part No.9590)
from
$33.49
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Top-Rated Serpentine and V Belt Brands For Your 2004 Peterbilt 378
When it comes to finding the perfect Serpentine and V Belt for your 2004 Peterbilt 378, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Serpentine and V Belt brands including Dayco, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $66.99. Purchasing a Serpentine and V Belt from us here at Advance Auto Parts is a smart move for both you and your 2004 Peterbilt 378, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dayco 2004 Peterbilt 378 Serpentine and V Belts
If you’re looking for a top-quality Serpentine and V Belt for your 2004 Peterbilt 378, Advance Auto Parts has exactly what you need with our selection of Dayco Serpentine and V Belts. We have 1 Dayco Serpentine and V Belts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $66.99, you’ll find the perfect Serpentine and V Belt for your needs and budget. Dayco Serpentine and V Belts for the 2004 Peterbilt 378 come highly rated, with over 3 customer reviews and an impressive average rating of 4.5 stars. Choosing a Dayco Serpentine and V Belt from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
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Dayco Poly Rib Belt HD Serpentine Belt 73.03 Long, 8 Rib Count, Heavy Duty, 5080730
“To make it easier to install, put into boiling water for about 5-10 min. It softens them up for alot easier install. Of course- they will be in hot wa”
FAQs for 2004 Peterbilt 378 Serpentine and V Belts
What are the best-selling Serpentine and V Belts for 2004 Peterbilt 378s?
Out of 31 Serpentine and V Belts that fit 2004 Peterbilt 378s, the following parts are the top sellers:
- Gates FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt, K080991HD (10913655) – $89.99
- Dayco Bottom Cog V-Belt 46.25 Inch Long, Exact Fit Premium Quality, 17463 (19270487) – $21.49
- Gates FleetRunner Heavy-Duty V-Belt, 9590HD (10950387) – $44.99
What’s the price range for 2004 Peterbilt 378 Serpentine and V Belts?
The prices of Serpentine and V Belts for the 2004 Peterbilt 378 range from $21.49 up to $816.99 for the most premium parts.
What is the average price of a Serpentine and V Belt for a 2004 Peterbilt 378?
The average price for Serpentine and V Belts for the 2004 Peterbilt 378 is $115.39. Keep in mind the variety of part types within our Serpentine and V Belt category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Serpentine and V Belts for other Peterbilt 378 model years?
What are the cheapest Serpentine and V Belts for my 2004 Peterbilt 378?
The cheapest 2004 Peterbilt 378 Serpentine and V Belts we carry are:
- Dayco Bottom Cog V-Belt 46.25 Inch Long, Exact Fit Premium Quality, 17463 (19270487) – $21.49
- Poly Rib Belt, Premium, Dayco, 5060538 (3290117) – $24.99
- Gates Automotive XL High Capacity V-Belt, 9590 (11513792) – $33.49
- Gates Micro-V Serpentine Drive Belt, K080991 (10497157) – $41.49
- Gates Automotive XL High Capacity V-Belt, 9463 (11520430) – $41.99
Does Advance Auto Parts sell Serpentine and V Belts for any other 2004 Peterbilt models?
Yes. We stock Serpentine and V Belts for 6 other popular 2004 Peterbilt models. Some of the most popular are 2004 387 Serpentine and V Belts, 2004 379 Serpentine and V Belts, 2004 330 Serpentine and V Belts, 2004 357 Serpentine and V Belts, and 2004 385 Serpentine and V Belts.
What are the top-rated Serpentine and V Belts that fit the 2004 Peterbilt 378?
The one 2004 Peterbilt 378 Serpentine and V Belt we have in stock is the Dayco Bottom Cog V-Belt 46.25 Inch Long, Exact Fit Premium Quality, 17463. It costs $21.49.
What types of Serpentine and V Belts do you sell for my 2004 Peterbilt 378?
As of 8/2/26, these are some of the most in-demand types of Serpentine and V Belts for a 2004 Peterbilt 378:
Can I get help with 2004 Peterbilt 378 Serpentine and V Belt orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Peterbilt Serpentine and V Belts and more.
What is your return policy for Peterbilt 378 Serpentine and V Belts?
Advance Auto Parts keeps returns simple. For new Peterbilt 378 Serpentine and V Belts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.