Mack WS Belts and Hoses

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Essential Mack WS Belts and Hoses

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12" Long, 3" Diameter (Part No.D70870)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12" Long, 3" Diameter

from

$40.49
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
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Dayco – Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch) (Part No.76175)

Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch)

from

$1.29
Designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight, Dayco’s Straight Radiator Hose features knitted einforcement and synthetic EPDM rubber construction. It meets SAE J20R4, Class D-2 requirements and provides high strength and resistance to ozone and other detrimental environmental elements, coolants, and temperature variations from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
  • Works well in temperatures ranging from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Priced and sold by inch. See store for details.
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Dayco – Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch) (Part No.77300GL)

Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch)

from

$2.99
Designed for a wide range of heavy-duty truck applications where the routing is relatively straight, the Dayco straight radiator hose – H.D. is made with the highest quality woven mesh fabric reinforcement, neoprene cover and nitrile tube compounds to withstand the most corrosive elements in diesel engines. Providing protection from oil, coolants, coolant additives and heat, it has a temperature rating of -40 Deg. F (-40 Deg. C) to +212 Deg. F (+100 Deg. C).

Product Features:
  • Capable of withstanding extreme temperatures and high-pressure environments
  • Designed to meet SAE requirements J20R1, Class B Tube, Class C Cover, standard wall construction
  • Not suitable for fuel or oil transfer
  • PLEASE NOTE: Item is sold and priced by the inch. See store for details.
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Gates – FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt (Part No.K060435HD)

FleetRunner Heavy-Duty Micro-V Serpentine Drive Belt

from

$54.99
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.

Product Features:
  • The patented material provides maximum performance at extreme and prolonged operating temperatures.
  • The construction resists cracking and wear, even at extreme temperatures.
  • A special compound offers unparalleled flexibility, stability, load capacity, and belt lifespan.
  • Problem solver designed for the toughest applications
  • It consistently outperforms other heavy-duty serpentine belts on the market
  • Engineered to save your fleet money and reduce downtime
  • Replacing the tensioner is recommended (if the vehicle is equipped with one).
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.75" Long, 2" Diameter (Part No.E70739)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.75" Long, 2" Diameter

from

$42.99
The Dayco curved radiator hose features knitted reinforcement, a protective sleeve and a synthetic EPDM rubber construction for high-strength performance, protection against abrasion and resistance to oil, mud, salt, road debris, ozone and coolants. It can also withstand temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose.

Product Features:
  • Meets SAE J20R4, Class D-1 requirements
  • Meets Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Provides excellent protection against external elements
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Gates – Premium Molded Coolant Hose (Part No.21042)

Premium Molded Coolant Hose

from

$40.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Pre-shaped to fit and ensure a perfect seal
  • EPDM tube; synthetic fiber knit reinforcement; heat-, ozone- and chemical coolant-resistant EPDM cover
  • It meets the requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
  • Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
  • Caution: Do not use for fuel or oil transport applications.
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Dayco – Straight Radiator Hoses; EPDM Rubber, 2 1/2 Inch Inner Diameter (sold by inch) (Part No.76250)

Straight Radiator Hoses; EPDM Rubber, 2 1/2 Inch Inner Diameter (sold by inch)

from

$1.79
Designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight, Dayco’s Straight Radiator Hose features knitted einforcement and synthetic EPDM rubber construction. It meets SAE J20R4, Class D-2 requirements and provides high strength and resistance to ozone and other detrimental environmental elements, coolants, and temperature variations from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
  • Works well in temperatures ranging from -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
  • PLEASE NOTE: Priced and sold by inch. See store for details.
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Gates – Green Stripe 2-Ply Straight Coolant Hose (Sold by inch) (Part No.24220)

Green Stripe 2-Ply Straight Coolant Hose (Sold by inch)

from

$1.99
Stick hose designed for demanding heavy-duty coolant/air applications. Approved for marine applications.

Product Features:
  • Cover marked in 1-inch increments to facilitate approximate cut lengths, allows for “custom” installations.
  • Designed with compounds that resist electrochemical degradation
  • Approved for marine applications
  • Exceeds SAE 20R1 Type EC (Class D-1 Tube, and cover, Standard Wall)
  • Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • Note: For a maintenance-free connection, use PowerGrip SB clamps
  • Caution: Do not use for fuel or oil transfer applications
  • PLEASE NOTE: Item is priced and sold by the inch. See store for details.
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Dayco – Straight Radiator Hoses; EPDM Rubber, 2 3/8 Inch Inner Diameter (sold by inch) (Part No.76238)

Straight Radiator Hoses; EPDM Rubber, 2 3/8 Inch Inner Diameter (sold by inch)

from

$1.79
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
  • PLEASE NOTE: Priced and sold by inch. See store for details.
See More

Dayco – Straight Radiator Hoses; EPDM Rubber, 2 3/4 Inch Inner Diameter (sold by inch) (Part No.76275)

Straight Radiator Hoses; EPDM Rubber, 2 3/4 Inch Inner Diameter (sold by inch)

from

$2.49
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
  • PLEASE NOTE: Priced and sold by inch. See store for details.
See More

Gates – FleetRunner Heavy-Duty V-Belt (Part No.9370HD)

FleetRunner Heavy-Duty V-Belt

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.

Product Features:
  • Patented material provides peak performance at extremely prolonged operating temperatures
  • Construction that resists cracking, wear, oil, and heat
  • The special compound provides unprecedented flexibility, stability, load-bearing capacity, and belt life.
  • The unique notch design under the cord offers greater flexibility for smaller diameter pulleys
  • Problem solver for troubled drives
  • Engineered to save your fleet money and reduce downtime
  • It meets RMA oil and heat resistance standards and static conductivity requirements
See More

Gates – FleetRunner Heavy-Duty V-Belt (Part No.9670HD)

FleetRunner Heavy-Duty V-Belt

from

$46.99
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.

Product Features:
  • The patented material offers optimal performance at extremely high operating temperatures.
  • Construction that resists cracking, wear, oil, and heat
  • Special compound provides unmatched stability, load carrying capacity and belt life
  • The unique notch pattern offers greater flexibility for smaller diameter pulleys
  • Problem solver for failing disks
  • Designed to save your fleet money and reduce downtime
  • Meets RMA oil and heat resistant standards and static conductivity requirements
See More

Gates – Automotive XL High Capacity V-Belt (Part No.9550)

Automotive XL High Capacity V-Belt

from

$36.99
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.

Product Features:
  • The fiber-reinforced rubber adds flexibility along the entire length of the belt and ensures greater lateral stability in the pulley.
  • Form-ground to ensure precise top width and sidewall dimensional control for proper fit to the pulley
  • Thermally active tension cords for maintenance-free operation when the belt is properly installed and tensioned
  • Resistant to oil, heat, ozone, weathering and aging for a longer belt life.
  • Meets or exceeds SAE J636C specifications
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Dayco – Poly Rib Belt Serpentine Belt; 43.6 Long, 6 Rib Count (Part No.5060436)

Poly Rib Belt Serpentine Belt; 43.6 Long, 6 Rib Count

from

$34.99
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
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Gates – FleetRunner Heavy-Duty V-Belt (Part No.9380HD)

FleetRunner Heavy-Duty V-Belt

from

$46.99
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.

Product Features:
  • The patented material provides maximum performance at extremely prolonged operating temperatures
  • Heavy-duty construction resists cracking, wear, oil and heat
  • The special compound provides unprecedented flexibility, stability, load-bearing capacity, and belt life.
  • The unique notch design under the cord offers greater flexibility for smaller diameter pulleys
  • Problem solver for failing disks
  • Designed to save your fleet money and reduce downtime
  • Compliant with RMA standards for oil and heat resistance and static conductivity requirements
See More

Dayco – Bottom Cog V-Belt; 38.5 Inch Long, Exact Fit Premium Quality (Part No.17385)

Bottom Cog V-Belt; 38.5 Inch Long, Exact Fit Premium Quality

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.

Product Features:
  • Designed for efficient power transmission to vehicle accessories in today’s trucks and buses
  • Provides greater durability and flexibility – 35% stronger than all previous versions
  • Features specially treated cords for added strength, stability and reliability
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Gates – FleetRunner Heavy-Duty V-Belt (Part No.9425HD)

FleetRunner Heavy-Duty V-Belt

from

$32.99
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.

Product Features:
  • The patented material offers optimal performance at extremely high operating temperatures.
  • Heavy-duty construction resists cracking, wear, oil and heat
  • The special compound provides unprecedented flexibility, stability, load-bearing capacity, and belt life.
  • Unique undercord notch pattern offers increased flexibility for smaller diameter pulleys
  • Problem solver for failing disks
  • Engineered to save your fleet money and reduce downtime
  • Compliant with RMA standards for oil and heat resistance and static conductivity requirements
See More

Dayco – Straight Radiator Hoses; EPDM Rubber, 2 1/4 Inch Inner Diameter (sold by inch) (Part No.76225)

Straight Radiator Hoses; EPDM Rubber, 2 1/4 Inch Inner Diameter (sold by inch)

from

$1.79
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
  • PLEASE NOTE: Priced and sold by inch. See store for details.
See More

Dayco – Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (sold by inch) (Part No.76150)

Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (sold by inch)

from

$1.29
The Dayco Straight Radiator Hose is designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE J20R4, Class D-2 requirements
  • Features a high strength knitted reinforcement and synthetic EPDM rubber construction
  • Resistant to standard coolants, ozone and other detrimental environmental elements
  • PLEASE NOTE: Priced and sold by inch. See store for details.
See More

Helping You Find the Right Belts and Hoses for Your Mack WS

You love your WS. So we’ve made it easier than ever to help you find Mack WS Belts and Hoses in our online catalog. Our inventory holds 49 aftermarket and OEM Belts and Hoses for your Mack WS, ranging from $1.29 to $54.99.

We offer parts from 3 brands trusted to make quality Belts and Hoses for your Mack WS. Before you buy, take some time to read through customer reviews. We currently have 352 reviews of Mack WS Belts and Hoses from previous customers. Some of the top rated parts include Green Stripe Truck & Bus Series V-Belt with 3.0 stars and Automotive V-Belt, Driveworks with 4.0 stars.

Find your WS Belts and Hoses here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Mack WS part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Belts and Hoses Brands for Your Mack WS

Our inventory holds Belts and Hoses for your Mack WS from 3 trusted brands. You’ll find OEM and aftermarket parts from brands like Dayco, Driveworks, and Gates, all of which can keep that Mack happy.

FAQs for Mack WS Belts and Hoses

What are the most purchased Belts and Hoses for the Mack WS?

Out of 49 Belts and Hoses for the Mack WS, the most popular in our inventory are:
Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch)
from $1.29
This product is not rated
Straight Radiator Hoses; EPDM Rubber, 1 3/4 Inch Inner Diameter (sold by inch)
Upper Radiator Hoses
Straight Radiator Hoses; EPDM Rubber, 2 3/8 Inch Inner Diameter (sold by inch)
from $1.79
This product is not rated
Straight Radiator Hoses; EPDM Rubber, 2 3/8 Inch Inner Diameter (sold by inch)
Heater Hoses

What are the top-rated Mack WS Belts and Hoses?

Top-rated Belts and Hoses for your Mack WS based on customer reviews/ratings are:
Green Stripe Truck & Bus Series V-Belt
from $53.99
(2)
Green Stripe Truck & Bus Series V-Belt
“It went in a teenager’s car. Works great.”
Automotive V-Belt, Driveworks
from $6.29
(1)
Automotive V-Belt, Driveworks
“These are just as durable as the major brands at less cost. I run these belts on several of my classic cars and have never been let down yet.”