1981 Mack R Engine Cooling Hoses
Keep Your 1981 Mack R in Top Shape with Quality Engine Cooling Hoses
Whether you’re repairing or upgrading your Engine Cooling Hose, using high-quality parts is key to keeping your 1981 Mack R looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Lower Radiator Hoses and Upper Radiator Hoses. 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.
Competitive Prices and Extensive Inventory
The average price for a 1981 Mack R Engine Cooling Hose at Advance Auto Parts is around $23.09, with a range that starts at $0.99 and goes up to $84.99. With 18 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Straight Radiator Hoses; EPDM Rubber, 2 3/8 Inch Inner Diameter (sold by inch), Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.75" Long, 2" Diameter, and Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (sold by inch) start at just $1.29 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Cooling Hose, don’t forget to check out other key components like Radiator Hoses and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 1981 Mack R in peak condition, inside and out.
Find Your Specific 1981 Mack R Engine Cooling Hoses
Looking for the perfect Engine Cooling Hose for your 1981 Mack R? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Hoses that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Hoses, ensuring durability and a precise fit for your Mack R. Whether you’re driving a 1981 model or another popular model year like
1983,
1984,
1985,
1986,
1987,
1988,
1989,
1990, and
1991, we’ve got you covered. Purchasing Engine Cooling Hoses 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 Engine Cooling Hoses that fit your vehicle.
Essential 1981 Mack R Engine Cooling Hoses
Dayco – Straight Radiator Hoses; EPDM Rubber, 2 3/4 Inch Inner Diameter (sold by inch) (Part No.76275)
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:
See More
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.
Dayco – Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (sold by inch) (Part No.76150)
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:
See More
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.
Dayco – Straight Radiator Hoses; EPDM Rubber, 2 1/4 Inch Inner Diameter (sold by inch) (Part No.76225)
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:
See More
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.
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.75" Long, 2" Diameter (Part No.E70739)
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:
See More
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
Gates – Premium Molded Coolant Hose (Part No.21194)
from
$38.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Materials specially designed to resist collapse in a vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM tube; synthetic fiber knit reinforcement; heat, ozone- and chemical coolant-resistant EPDM cover
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates – Green Stripe Heavy-Duty Vulco-Flex Coolant Hose (Part No.26510)
from
$33.99
Heavy-duty flexible hose designed to replace straight or curved coolant hoses. The benefit is maximum coverage with minimum inventory. Hose inside diameter remains constant from end to end. No convolutions inside hose so tube is smooth, allowing free coolant flow. Approved for marine applications.
Product Features:
See More
Product Features:
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- The steel wire spiral allows them to take on multiple shapes without bending or crushing
- EPDM tubing and neoprene lid for extended life
- Polyester fabric-ply reinforcement vulcanizes into shape without unnecessary strain on connections
- Heat, oil and ozone resistant
- Meets SAE 20R5 Type EC Class D-2 specifications
- Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Warning: Do not use for fuel or oil transfer applications
- Caution: Do not use for fuel or oil transfer applications.
Gates – Premium Molded Coolant Hose (Part No.20731)
from
$84.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-formed for a good fit and to ensure perfectly sealed connections
- EPDM tube; synthetic fiber knit reinforcement; heat, ozone- and chemical coolant-resistant EPDM cover
- Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transportation applications.
Dayco – Straight Radiator Hoses; EPDM Rubber, 2 3/8 Inch Inner Diameter (sold by inch) (Part No.76238)
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:
See More
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.
Gates – Premium Molded Coolant Hose (Part No.21488)
from
$32.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-formed for a good fit and to ensure perfectly sealed connections
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets 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 clamps and connectors each time a new cooling hose is installed.
- Warning: Do not use for fuel or oil transfer applications
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 2.50" Diameter (Part No.E70922)
from
$26.49
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:
See More
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
Gates – Premium Molded Coolant Hose (Part No.21042)
from
$42.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and ensure a perfect seal
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets 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 clamps and connectors each time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transfer applications
Gates – Premium Molded Coolant Hose (Part No.21379)
from
$27.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically designed materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM tube; synthetic fiber knit reinforcement; heat, ozone- and chemical coolant-resistant EPDM cover
- Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing clamps and connectors each time a new radiator hose is installed.
- Caution: Do not use for fuel or oil transportation applications.
Gates – Green Stripe 2-Ply Straight Coolant Hose (Sold by foot) (Part No.24220)
from
$1.99
Stick hose designed for demanding heavy-duty coolant/air applications. Approved for marine applications.
Product Features:
See More
Product Features:
- Cover marked in 1-inch increments to facilitate approximate cutting lengths, allows for “bespoke” 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 transportation applications.
- PLEASE NOTE: Item is priced and sold by the inch. See store for details.
Dayco – Straight Coolant Hose, Standard, I.D. 2" (sold by inch) (Part No.76200)
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:
See More
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.
Dayco – Flexible Radiator Hose, Heavy Duty, Dayco (Part No.82111GL)
from
$58.99
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
Dayco – Flex Radiator Hoses; Neoprene, Heavy Duty, 16.81 Inch Long, 2 Inch Inner Dia. (Part No.82091GL)
from
$30.49
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
Dayco – Straight Radiator Hoses; EPDM Rubber, 2 1/2 Inch Inner Diameter (sold by inch) (Part No.76250)
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:
See More
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.
Dayco – Straight Radiator Hoses; EPDM Rubber, 1 1/4 Inch Inner Diameter (sold by inch) (Part No.76125)
from
$0.99
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:
See More
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
Gates – Green Stripe Heavy-Duty Vulco-Flex Coolant Hose (Part No.26521)
from
$34.99
Heavy-duty flexible hose designed to replace straight or curved coolant hoses. The benefit is maximum coverage with minimum inventory. Hose inside diameter remains constant from end to end. No convolutions inside hose so tube is smooth, allowing free coolant flow. Approved for marine applications.
Product Features:
See More
Product Features:
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- The steel wire spiral allows them to take on multiple shapes without bending or crushing
- EPDM tubing and neoprene lid for extended life
- Polyester fabric-ply reinforcement vulcanizes into shape without unnecessary strain on connections
- Resistant to heat, oil and ozone
- Meets SAE 20R5 Type EC Class D-2 specifications
- Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Caution: Do not use for fuel or oil transportation applications.
- Caution: Do not use for fuel or oil transfer applications.
Popular 1981 Mack R Engine Cooling Hoses Categories
Most Popular Lower Radiator Hoses for 1981 Mack Rs
Enhance your 1981 Mack R with one of the 9 Lower Radiator Hoses we have in stock, starting at just $1.29.
Dayco – Straight Radiator Hoses; EPDM Rubber, 2 3/8 Inch Inner Diameter (sold by inch) (Part No.76238)
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:
See More
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.
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.75" Long, 2" Diameter (Part No.E70739)
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:
See More
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
Dayco – Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (sold by inch) (Part No.76150)
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:
See More
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.
Dayco – Straight Radiator Hoses; EPDM Rubber, 2 1/4 Inch Inner Diameter (sold by inch) (Part No.76225)
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:
See More
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.
Gates – Premium Molded Coolant Hose (Part No.21194)
from
$38.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Materials specially designed to resist collapse in a vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM tube; synthetic fiber knit reinforcement; heat, ozone- and chemical coolant-resistant EPDM cover
- Meets the requirements of SAE 20R4, Class D2 and DIN 73411, Class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates – Premium Molded Coolant Hose (Part No.21488)
from
$32.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-formed for a good fit and to ensure perfectly sealed connections
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets 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 clamps and connectors each time a new cooling hose is installed.
- Warning: Do not use for fuel or oil transfer applications
Gates – Premium Molded Coolant Hose (Part No.20731)
from
$84.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- Pre-formed for a good fit and to ensure perfectly sealed connections
- EPDM tube; synthetic fiber knit reinforcement; heat, ozone- and chemical coolant-resistant EPDM cover
- Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transportation applications.
Gates – Green Stripe Heavy-Duty Vulco-Flex Coolant Hose (Part No.26510)
from
$33.99
Heavy-duty flexible hose designed to replace straight or curved coolant hoses. The benefit is maximum coverage with minimum inventory. Hose inside diameter remains constant from end to end. No convolutions inside hose so tube is smooth, allowing free coolant flow. Approved for marine applications.
Product Features:
See More
Product Features:
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- The steel wire spiral allows them to take on multiple shapes without bending or crushing
- EPDM tubing and neoprene lid for extended life
- Polyester fabric-ply reinforcement vulcanizes into shape without unnecessary strain on connections
- Heat, oil and ozone resistant
- Meets SAE 20R5 Type EC Class D-2 specifications
- Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Warning: Do not use for fuel or oil transfer applications
- Caution: Do not use for fuel or oil transfer applications.
Dayco – Straight Radiator Hoses; EPDM Rubber, 2 3/4 Inch Inner Diameter (sold by inch) (Part No.76275)
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:
See More
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.
Best-Selling 1981 Mack R Upper Radiator Hoses
Upgrade your R with one of our 9 best-selling Upper Radiator Hoses.
Dayco – Straight Radiator Hoses; EPDM Rubber, 1 1/4 Inch Inner Diameter (sold by inch) (Part No.76125)
from
$0.99
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:
See More
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
Dayco – Flexible Radiator Hose, Heavy Duty, Dayco (Part No.82111GL)
from
$58.99
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
Gates – Premium Molded Coolant Hose (Part No.21042)
from
$42.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically-engineered materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and ensure a perfect seal
- EPDM Tube; synthetic fiber knit reinforcement; EPDM cover resistant to heat, ozone and chemical refrigerants
- Meets 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 clamps and connectors each time a new cooling hose is installed.
- Caution: Do not use for fuel or oil transfer applications
Gates – Green Stripe Heavy-Duty Vulco-Flex Coolant Hose (Part No.26521)
from
$34.99
Heavy-duty flexible hose designed to replace straight or curved coolant hoses. The benefit is maximum coverage with minimum inventory. Hose inside diameter remains constant from end to end. No convolutions inside hose so tube is smooth, allowing free coolant flow. Approved for marine applications.
Product Features:
See More
Product Features:
- Engineered to resist electrochemical degradation, the leading cause of hose failure
- The steel wire spiral allows them to take on multiple shapes without bending or crushing
- EPDM tubing and neoprene lid for extended life
- Polyester fabric-ply reinforcement vulcanizes into shape without unnecessary strain on connections
- Resistant to heat, oil and ozone
- Meets SAE 20R5 Type EC Class D-2 specifications
- Temperature range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
- Caution: Do not use for fuel or oil transportation applications.
- Caution: Do not use for fuel or oil transfer applications.
Dayco – Flex Radiator Hoses; Neoprene, Heavy Duty, 16.81 Inch Long, 2 Inch Inner Dia. (Part No.82091GL)
from
$30.49
The Dayco flex radiator hose replaces straight or molded radiator hoses on a wide range of engine applications. Precision molded in standard lengths, it features a knitted reinforcement and synthetic EPDM construction. This hose is designed to prevent splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40 Deg. F (-40 Deg. C) to +257 Deg. F (+125 Deg. C). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
Product Features:
See More
Product Features:
- Designed to meet OE specifications
- Not suitable for oil or heat transfer
- Meets SAE J20R4, Class D-2 requirements for improved service hoses
Gates – Premium Molded Coolant Hose (Part No.21379)
from
$27.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
See More
Product Features:
- Specifically designed materials resist collapse under vacuum
- Designed to withstand electrochemical degradation, the leading cause of hose failure
- Pre-shaped to fit and to ensure perfectly sealed conditions
- EPDM tube; synthetic fiber knit reinforcement; heat, ozone- and chemical coolant-resistant EPDM cover
- Meets requirements of SAE 20R4, class D2 and DIN 73411, class A (except for tolerances)
- Temperature range -40 degrees F to +257 degrees F (-40 degrees C to +125 degrees C)
- Note: Gates recommends replacing clamps and connectors each time a new radiator hose is installed.
- Caution: Do not use for fuel or oil transportation applications.
Gates – Green Stripe 2-Ply Straight Coolant Hose (Sold by foot) (Part No.24220)
from
$1.99
Stick hose designed for demanding heavy-duty coolant/air applications. Approved for marine applications.
Product Features:
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Product Features:
- Cover marked in 1-inch increments to facilitate approximate cutting lengths, allows for “bespoke” 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 transportation applications.
- PLEASE NOTE: Item is priced and sold by the inch. See store for details.
Dayco – Straight Radiator Hoses; EPDM Rubber, 2 1/2 Inch Inner Diameter (sold by inch) (Part No.76250)
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:
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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.
Dayco – Straight Coolant Hose, Standard, I.D. 2" (sold by inch) (Part No.76200)
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:
See More
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.
FAQs for 1981 Mack R Engine Cooling Hoses
What are the best-selling Engine Cooling Hoses for 1981 Mack Rs?
Out of 18 Engine Cooling Hoses that fit 1981 Mack Rs, the following parts are the top sellers:
- Straight Radiator Hoses; EPDM Rubber, 2 3/8 Inch Inner Diameter (sold by inch) (10628452) – $1.79
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.75" Long, 2" Diameter (5192552) – $42.99
- Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (sold by inch) (10844554) – $1.29
What’s the price range for 1981 Mack R Engine Cooling Hoses?
The prices of Engine Cooling Hoses for the 1981 Mack R range from $0.99 up to $84.99 for the most premium parts.
What is the average price of an Engine Cooling Hose for a 1981 Mack R?
The average price for Engine Cooling Hoses for the 1981 Mack R is $23.09. Keep in mind the variety of part types within our Engine Cooling Hose category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Engine Cooling Hoses for other Mack R model years?
What are the cheapest Engine Cooling Hoses for my 1981 Mack R?
The cheapest 1981 Mack R Engine Cooling Hoses we carry are:
- Straight Radiator Hoses; EPDM Rubber, 1 1/4 Inch Inner Diameter (sold by inch) (10628459) – $0.99
- Straight Radiator Hoses; EPDM Rubber, 1 1/2 Inch Inner Diameter (sold by inch) (10844554) – $1.29
- Straight Radiator Hoses; EPDM Rubber, 2 3/8 Inch Inner Diameter (sold by inch) (10628452) – $1.79
- Straight Radiator Hoses; EPDM Rubber, 2 1/4 Inch Inner Diameter (sold by inch) (10628440) – $1.79
- Straight Radiator Hoses; EPDM Rubber, 2 1/2 Inch Inner Diameter (sold by inch) (10628460) – $1.79
Does Advance Auto Parts sell Engine Cooling Hoses for any other 1981 Mack models?
Yes. We stock Engine Cooling Hoses for 16 other popular 1981 Mack models. Some of the most popular are 1981 MS200P Mid-Liner Engine Cooling Hoses, 1981 MS300P Mid-Liner Engine Cooling Hoses, 1981 MS300T Mid-Liner Engine Cooling Hoses, 1981 DMM Engine Cooling Hoses, and 1981 DM Engine Cooling Hoses.
What types of Engine Cooling Hoses do you sell for my 1981 Mack R?
As of 11/2/25, these are some of the most in-demand types of Engine Cooling Hoses for a 1981 Mack R:
Can I get help with 1981 Mack R Engine Cooling Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mack Engine Cooling Hoses and more.
What is your return policy for Mack R Engine Cooling Hoses?
Advance Auto Parts keeps returns simple. For new Mack R Engine Cooling Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.