Peterbilt 378 Serpentine Belts
Your Peterbilt 378 will be happy to know that the search for the right Serpentine Belts you’ve been looking for is over! Advance Auto Parts has 98 different Serpentine Belts for your vehicle, ready for shipping or in-store pick up. The best part is, our Peterbilt 378 Serpentine Belts start from as little as $14.29.
When it comes to your Peterbilt 378, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Serpentine Belts brands so you can shop with complete confidence. Some of our top Serpentine Belts brands are Dayco and Driveworks. We’re sure you will get the right product to keep that 378 running for a long time.
We even have reviews of our OEM and aftermarket Serpentine Belts products to help you buy with confidence. Hear from other customers via the 1,260 reviews on parts for your Peterbilt 378.
Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Serpentine Belts for your 378, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!
Compare 25 Peterbilt Serpentine Belts
Driveworks – Poly Rib Belt Serpentine Belt; 35.04 Long, 5 Rib Count (Part No.350K5)
from
$15.79
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
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Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Dayco – Poly Rib Belt HD Serpentine Belt; 81 Long, 8 Rib Count, Heavy Duty (Part No.5080810)
from
$40.99
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. En
Product Features:
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Product Features:
- Engineered to handle operating conditions with temperatures up to 130°C (266°F)
- Designed for multiple accessories such as A/C, power steering pumps, alternators and water pumps
- Capable of delivering excellent performance in high torque and high power pulse applications
- Specially formulated treated cord insures length and tension stability on heavy duty diesel engine drives for the life of the belt
Dayco – Poly Rib Belt HD Serpentine Belt; 99.02 Long, 8 Rib Count, Heavy Duty (Part No.5080990)
from
$56.99
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. En
Product Features:
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Product Features:
- Engineered to handle operating conditions with temperatures up to 130°C (266°F)
- Designed for multiple accessories such as A/C, power steering pumps, alternators and water pumps
- Capable of delivering excellent performance in high torque and high power pulse applications
- Specially formulated treated cord insures length and tension stability on heavy duty diesel engine drives for the life of the belt
Dayco – Poly Rib Belt Serpentine Belt; 61.02 Long, 6 Rib Count (Part No.5060610)
from
$39.99
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 mile
Product Features:
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Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
Driveworks – Poly Rib Belt Serpentine Belt; 71.5 Long, 6 Rib Count (Part No.715K6)
from
$23.99
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
See More
Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Dayco – Poly Rib Belt Serpentine Belt; 54.75 Long, 6 Rib Count (Part No.5060548)
from
$27.49
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.
Product Features:
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Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
Driveworks – Poly Rib Belt Serpentine Belt; 38 Long, 5 Rib Count (Part No.380K5)
from
$19.79
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
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Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Driveworks – Poly Rib Belt Serpentine Belt; 61.02 Long, 6 Rib Count (Part No.610K6)
from
$23.99
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
See More
Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Dayco – Poly Rib Belt Serpentine Belt; 56 Long, 6 Rib Count (Part No.5060560)
from
$32.99
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 mile
Product Features:
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Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
- Made in the USA
Driveworks – Poly Rib Belt Serpentine Belt; 53 Long, 6 Rib Count (Part No.530K6)
from
$27.49
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
See More
Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Driveworks – Poly Rib Belt Serpentine Belt; 56 Long, 6 Rib Count (Part No.560K6)
from
$29.99
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
See More
Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Dayco – Poly Rib Belt Serpentine Belt; 37.5 Long, 5 Rib Count (Part No.5050375)
from
$29.99
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.
Product Features:
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Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
- Made in the USA
Driveworks – Poly Rib Belt Serpentine Belt; 42.32 Long, 6 Rib Count (Part No.423K6)
from
$15.79
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
See More
Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Dayco – Poly Rib Belt Serpentine Belt; 45.5 Long, 6 Rib Count (Part No.5060455)
from
$27.49
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 mile
Product Features:
See More
Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
Driveworks – Poly Rib Belt Serpentine Belt; 37.01 Long, 5 Rib Count (Part No.370K5)
from
$17.79
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
See More
Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Dayco – Poly Rib Belt Serpentine Belt; 52.56 Long, 6 Rib Count (Part No.5060525)
from
$41.99
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 mile
Product Features:
See More
Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
Dayco – Poly Rib Belt Serpentine Belt; 68.5 Long, 6 Rib Count (Part No.5060685)
from
$46.99
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 mile
Product Features:
See More
Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
Driveworks – Poly Rib Belt Serpentine Belt; 33.5 Long, 5 Rib Count (Part No.335K5)
from
$12.49
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
See More
Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Driveworks – Poly Rib Belt HD Serpentine Belt; 80.51 Long, 8 Rib Count, Heavy Duty (Part No.805K8)
from
$20.99
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
See More
Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Dayco – Poly Rib Belt Serpentine Belt; 33.5 Long, 5 Rib Count (Part No.5050335)
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.
Product Features:
See More
Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
Dayco – Poly Rib Belt Serpentine Belt; 38 Long, 5 Rib Count (Part No.5050380)
from
$35.49
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 mile
Product Features:
See More
Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
- Made in the USA
Driveworks – Poly Rib Belt Serpentine Belt; 49.02 Long, 6 Rib Count (Part No.490K6)
from
$16.79
The Driveworks belt is designed to provide better belt-to-pulley contact. The specialized rubber compound incorporates a high temperature polymer formulated to maximize load carrying requirements and belt life. This Driveworks ribbed belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks ribbed belt delivers long-lasting dependable belt life.
Product Features:
See More
Product Features:
- Constructed with heat and ozone resistant EPDM rubber
- Fiber is added to the rib stock to reinforce the rubber and reduce noise from worn and misaligned pulleys
- Made with treated polyester cord to reduce belt stretch
Dayco – Poly Rib Belt Serpentine Belt; 37.01 Long, 5 Rib Count (Part No.5050370)
from
$28.99
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.
Product Features:
See More
Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
- Made in the USA
Gates – FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt (Part No.K081000HD)
from
$71.99
Gates FleetRunner Micro-V Belts are designed for the toughest applications. FleetRunner 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. FleetRunner does this all while providing the lowest cost per mile for fleets, including 3/4 and 1 ton pickups.
Product Features:
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Product Features:
- Patented material provides peak performance at prolonged extreme operating temperatures
- Heavy-duty construction resists cracking and wear, even at extreme temperatures
- Special compound provides unmatched flexibility, stability, load carrying capacity and belt life
- Problem solver designed for the toughest applications
- Consistently outperforms other heavy-duty serpentine belts on the market
- Engineered to save your fleet money and reduce downtime
- Tensioner Replacement is Recommended (if equipped)
Dayco – Poly Rib Belt Serpentine Belt; 85.75 Long, 6 Rib Count (Part No.5060858)
from
$36.49
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.
Product Features:
See More
Product Features:
- Provides full coverage for today’s light-duty vehicle market, especially vehicles with troublesome drives
- Engineered to help address noise issues caused by the belt drive
- Capable of handling more extreme temperatures and workloads
- Made in the USA
FAQs for Peterbilt 378 Serpentine Belts
What are the most popular Serpentine Belts for the Peterbilt 378?
With 3 brands you can trust, our most popular Serpentine Belts for the Peterbilt 378 are:
What are the best aftermarket Serpentine Belts for the Peterbilt 378?
See what past customers had to say about our highest-rated Serpentine Belts for the Peterbilt 378:
Find Your Peterbilt 378 Serpentine Belts by Year
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