Workhorse P42 Serpentine Belts

Your Workhorse P42 will be happy to know that the search for the right Serpentine Belts you’ve been looking for is over! Advance Auto Parts has 15 different Serpentine Belts for your vehicle, ready for shipping or in-store pick up. The best part is, our Workhorse P42 Serpentine Belts start from as little as $27.49.

When it comes to your Workhorse P42, 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 P42 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 678 reviews on parts for your Workhorse P42.

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 P42, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Workhorse Serpentine Belts

Driveworks – Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count (Part No.378K4)

Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count

from

$25.99
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:
  • 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
See More

Dayco – Poly Rib Belt Serpentine Belt; 102 Long, 6 Rib Count (Part No.5061020)

Poly Rib Belt Serpentine Belt; 102 Long, 6 Rib Count

from

$59.99
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:
  • 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
See More

Dayco – Poly Rib Belt Serpentine Belt; 100 Long, 6 Rib Count (Part No.5061000)

Poly Rib Belt Serpentine Belt; 100 Long, 6 Rib Count

from

$56.99
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:
  • 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
See More

Gates – FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt (Part No.K040378HD)

FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt

from

$49.99
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:
  • 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)
See More

Driveworks – Poly Rib Belt Serpentine Belt; 92.05 Long, 6 Rib Count (Part No.920K6)

Poly Rib Belt Serpentine Belt; 92.05 Long, 6 Rib Count

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:
  • 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
See More

Dayco – Poly Rib Belt Serpentine Belt; 108.07 Long, 6 Rib Count (Part No.5061080)

Poly Rib Belt Serpentine Belt; 108.07 Long, 6 Rib Count

from

$45.99
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:
  • 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
See More

Dayco – Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count (Part No.5040378)

Poly Rib Belt Serpentine Belt; 37.8 Long, 4 Rib Count

from

$38.49
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:
  • 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
See More

Driveworks – Poly Rib Belt Serpentine Belt; 87.6 Long, 6 Rib Count (Part No.875K6)

Poly Rib Belt Serpentine Belt; 87.6 Long, 6 Rib Count

from

$31.99
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:
  • 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
See More

Dayco – Poly Rib Belt Serpentine Belt; 87.6 Long, 6 Rib Count (Part No.5060875)

Poly Rib Belt Serpentine Belt; 87.6 Long, 6 Rib Count

from

$53.99
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:
  • 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
See More

Dayco – Poly Rib Belt Serpentine Belt; 99.5 Long, 6 Rib Count (Part No.5060995)

Poly Rib Belt Serpentine Belt; 99.5 Long, 6 Rib Count

from

$30.99
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:
  • 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
See More

Dayco – Poly Rib Belt Serpentine Belt; 92.05 Long, 6 Rib Count (Part No.5060920)

Poly Rib Belt Serpentine Belt; 92.05 Long, 6 Rib Count

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:
  • 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
See More

Driveworks – Poly Rib Belt Serpentine Belt; 101 Long, 6 Rib Count (Part No.1010K6)

Poly Rib Belt Serpentine Belt; 101 Long, 6 Rib Count

from

$40.49
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:
  • 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
See More

Driveworks – Poly Rib Belt Serpentine Belt; 102 Long, 6 Rib Count (Part No.1020K6)

Poly Rib Belt Serpentine Belt; 102 Long, 6 Rib Count

from

$40.99
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:
  • 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
See More

Dayco – Poly Rib Belt Serpentine Belt; 101 Long, 6 Rib Count (Part No.5061010)

Poly Rib Belt Serpentine Belt; 101 Long, 6 Rib Count

from

$53.99
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:
  • 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
See More

Driveworks – Poly Rib Belt Serpentine Belt; 100 Long, 6 Rib Count (Part No.1000K6)

Poly Rib Belt Serpentine Belt; 100 Long, 6 Rib Count

from

$33.49
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:
  • 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
See More

Gates – FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt (Part No.K061010HD)

FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt

from

$68.99
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:
  • 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)
See More

Driveworks – Poly Rib Belt Serpentine Belt; 87.01 Long, 6 Rib Count (Part No.870K6)

Poly Rib Belt Serpentine Belt; 87.01 Long, 6 Rib Count

from

$49.49
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:
  • 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
See More

Driveworks – Serpentine Belt (Part No.995K6)

Serpentine Belt

from

$31.99
This Driveworks v-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 belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks v-belt delivers long-lasting dependable belt life.

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
  • Meets OEM requirements
See More

Gates – FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt (Part No.K060875HD)

FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt

from

$75.99
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:
  • 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)
See More

Gates – Micro-V« Serpentine Drive Belt (Part No.K061058)

Micro-V« Serpentine Drive Belt

from

$39.99
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.

Product Features:
  • Special belt construction eliminates belt noise, reduces tension loss and solves problem drive applications
  • EPDM rubber constructions resist cracking on the rib surface
  • Meets or exceeds all specifications from the Original Equipment Manufacturer
  • Tensioner Replacement is Recommended (if equipped)
  • Unique form grinding of each individual belt assures precise dimensional control.
  • Meets or exceeds SAE J1459, SAE J2432, and SAE J1596 specifications.
See More

Gates – FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt (Part No.K061000HD)

FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt

from

$66.99
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:
  • 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)
See More

Gates – FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt (Part No.K061058HD)

FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt

from

$55.99
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:
  • 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)
See More

Gates – V-Ribbed (Heavy Duty) Serpentine Belt: 96.5" Long, 6 Rib Count, Exact Fit (Part No.K060960HD)

V-Ribbed (Heavy Duty) Serpentine Belt: 96.5" Long, 6 Rib Count, Exact Fit

from

$70.99
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:
  • 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)
See More

Driveworks – Poly Rib Belt Serpentine Belt; 108.07 Long, 6 Rib Count (Part No.1080K6)

Poly Rib Belt Serpentine Belt; 108.07 Long, 6 Rib Count

from

$32.99
This Driveworks v-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 belt has been constructed and engineered to meet the stringent demands of today’s automotive drive systems. The Driveworks v-belt delivers long-lasting dependable belt life.

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
  • Meets OEM requirements
See More

Gates – FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt (Part No.K040762HD)

FleetRunner« Heavy-Duty Micro-V« Serpentine Drive Belt

from

$45.99
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:
  • 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)
See More

FAQs for Workhorse P42 Serpentine Belts

What are the most popular Serpentine Belts for the Workhorse P42?

With 3 brands you can trust, our most popular Serpentine Belts for the Workhorse P42 are:
Poly Rib Belt Serpentine Belt; 102 Long, 6 Rib Count
from $59.99
(27)
Poly Rib Belt Serpentine Belt; 102 Long, 6 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 100 Long, 6 Rib Count
from $56.99
(20)
Poly Rib Belt Serpentine Belt; 100 Long, 6 Rib Count
Serpentine Belts
Poly Rib Belt Serpentine Belt; 92.05 Long, 6 Rib Count
from $46.99
(17)
Poly Rib Belt Serpentine Belt; 92.05 Long, 6 Rib Count
Serpentine Belts

What are the best aftermarket Serpentine Belts for the Workhorse P42?

See what past customers had to say about our highest-rated Serpentine Belts for the Workhorse P42:
Poly Rib Belt Serpentine Belt; 101 Long, 6 Rib Count
from $40.49
(11)
Poly Rib Belt Serpentine Belt; 101 Long, 6 Rib Count
“Exact fit, good quality, fair price after using speed perk and promo code”
Poly Rib Belt Serpentine Belt; 100 Long, 6 Rib Count
from $33.49
(11)
Poly Rib Belt Serpentine Belt; 100 Long, 6 Rib Count
“Working good”
Poly Rib Belt Serpentine Belt; 102 Long, 6 Rib Count
from $40.99
(10)
Poly Rib Belt Serpentine Belt; 102 Long, 6 Rib Count
“It was what my car needed so thank you for the parts. Now I can drive again”