1999 Mack DM Engine Cooling Hoses

Keep Your 1999 Mack DM 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 1999 Mack DM looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including 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.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Hose, don’t forget to check out other key components like Belt Tensioners and Pulleys. At Advance Auto Parts, we’re here to help you keep your 1999 Mack DM in peak condition, inside and out.

Essential 1999 Mack DM Engine Cooling Hoses

Gates – Premium Molded Coolant Hose (Part No.21379)

Premium Molded Coolant Hose

from

$27.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

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.
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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 foot) (Part No.24220)

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

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 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.
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Dayco – Flexible Radiator Hose, Heavy Duty, Dayco (Part No.82111GL)

Flexible Radiator Hose, Heavy Duty, Dayco

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:
  • Designed to meet OE specifications
  • Not suitable for oil or heat transfer
  • Meets SAE J20R4, Class D-2 requirements for improved service hoses
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Dayco – Flex Radiator Hoses; Neoprene, Heavy Duty, 16.81 Inch Long, 2 Inch Inner Dia. (Part No.82091GL)

Flex Radiator Hoses; Neoprene, Heavy Duty, 16.81 Inch Long, 2 Inch Inner Dia.

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:
  • Designed to meet OE specifications
  • Not suitable for oil or heat transfer
  • Meets SAE J20R4, Class D-2 requirements for improved service hoses
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Dayco – Straight Coolant Hose, Standard, I.D. 2" (sold by inch) (Part No.76200)

Straight Coolant Hose, Standard, I.D. 2" (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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Dayco – Straight Radiator Hoses; EPDM Rubber, 1 1/4 Inch Inner Diameter (sold by inch) (Part No.76125)

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

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:
  • 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
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Most Popular Upper Radiator Hoses for 1999 Mack DMs

Enhance your 1999 Mack DM with one of the 2 Upper Radiator Hoses we have in stock, starting at just $1.79.

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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Dayco – Straight Coolant Hose, Standard, I.D. 2" (sold by inch) (Part No.76200)

Straight Coolant Hose, Standard, I.D. 2" (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.
See More

FAQs for 1999 Mack DM Engine Cooling Hoses

What are the best-selling Engine Cooling Hoses for 1999 Mack DMs?

Out of 2 Engine Cooling Hoses that fit 1999 Mack DMs, the following parts are the top sellers:

What is the average price of an Engine Cooling Hose for a 1999 Mack DM?

The average price for Engine Cooling Hoses for the 1999 Mack DM is $1.79. 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 DM model years?

Yes, we carry Engine Cooling Hoses for 20 model years of Mack DMs between 1981 and 2002. The following model years are the most popular for Engine Cooling Hose purchases: 1992, 1991, 1990, 1989, 1988, 1987, 1986, 1985, and 1984.

What are the cheapest Engine Cooling Hoses for my 1999 Mack DM?

The cheapest 1999 Mack DM Engine Cooling Hoses we carry are:

Does Advance Auto Parts sell Engine Cooling Hoses for any other 1999 Mack models?

Yes. We stock Engine Cooling Hoses for 8 other popular 1999 Mack models. Some of the most popular are 1999 CH Engine Cooling Hoses, 1999 CL Engine Cooling Hoses, 1999 RB Engine Cooling Hoses, 1999 RD Engine Cooling Hoses, and 1999 CX Engine Cooling Hoses.

What types of Engine Cooling Hoses do you sell for my 1999 Mack DM?

We currently have just 1 Engine Cooling Hose in stock for a 1999 Mack DM, and as of 11/2/25, it is an Upper Radiator Hose.

Can I get help with 1999 Mack DM 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 DM Engine Cooling Hoses?

Advance Auto Parts keeps returns simple. For new Mack DM Engine Cooling Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.