1999 Peterbilt 320 Engine Cooling Hoses

Keep Your 1999 Peterbilt 320 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 Peterbilt 320 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 1999 Peterbilt 320 Engine Cooling Hose at Advance Auto Parts is around $1.69, with a range that starts at $1.29 and goes up to $1.79. With 4 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Straight Radiator Hoses; EPDM Rubber, 1 5/8 Inch Inner Diameter (sold by inch), Straight Radiator Hoses; EPDM Rubber, 2 1/4 Inch Inner Diameter (sold by inch), and Straight Coolant Hose, Standard, I.D. 2" (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 Belt Tensioners and Pulleys. At Advance Auto Parts, we’re here to help you keep your 1999 Peterbilt 320 in peak condition, inside and out.

Essential 1999 Peterbilt 320 Engine Cooling Hoses

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.
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Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 2.50" Diameter (Part No.E70922)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 2.50" Diameter

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:
  • 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 – Flex Radiator Hoses; Neoprene, Heavy Duty, 2 Inch Long, 2 Inch Inner Diameter (Part No.82101GL)

Flex Radiator Hoses; Neoprene, Heavy Duty, 2 Inch Long, 2 Inch Inner Diameter

from

$55.99
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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Gates – Molded Silicone Coolant Hose (Part No.28359)

Molded Silicone Coolant Hose

from

$97.99
Product Features:
  • Same dimensional specifications of the OEM hose
  • Silicone cover resists high temperature ambient environments
  • 3-ply polyester woven fabric reinforcement guarantees high burst strength & superior service life
  • Tube constructed w/ a thick silicone liner designed to handle coolants, including new extended life coolants
  • Provides long-life service in both low & high temperature environments
  • Temperature range: -65 Deg. F to +350 Deg. F (-54 Deg. C to +149 Deg. C)
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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 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, HD, 1 5/8 Inch Inner Dia. (sold by inch) (Part No.77163GL)

Straight Radiator Hoses; EPDM Rubber, HD, 1 5/8 Inch Inner Dia. (sold by inch)

from

$1.79
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?F (-40?C) to +212?F (+100?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: Priced and sold by inch. See store for details.
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Gates – Green Stripe Heavy-Duty Vulco-Flex Coolant Hose (Part No.26511)

Green Stripe Heavy-Duty Vulco-Flex Coolant Hose

from

$50.99
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:
  • Engineered to resist electrochemical degradation, the leading cause of hose failure
  • Built-in coiled steel wire enables medium-sized bends without bending or bending
  • EPDM tubing and neoprene lid for extended life
  • The polyester fabric reinforcement takes the form of vulcanization without unnecessary stress on the connections.
  • Heat, oil, and ozone resistant
  • Performs to 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 transfer applications
  • Caution: Do not use for fuel or oil transfer applications.
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Dayco – Straight Coolant Hose, Heavy-Duty 2-Ply, 2" (sold by inch) (Part No.77200GL)

Straight Coolant Hose, Heavy-Duty 2-Ply, 2" (sold by inch)

from

$1.99
Designed for a wide range of light and heavy duty truck applications where the radiator hose routing is relatively straight, Dayco Heavy Duty Straight Radiator Hose 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: oil, coolants, coolant additives, and temperature ranges of -40 Degree F (-40 Degree C) to +212 Degree F (+100 Degree C). This hose meets SAE requirements J20R1, Class B Tube, Class C Cover, standard wall construction. Note: This hose is NOT suitable for fuel or oil transfer.

Product Features:
  • Meets SAE requirements J20R1, Class B Tube, Class C Cover, standard wall construction
  • Made with the highest quality woven mesh fabric reinforcement, neoprene cover, and nitrile tube compounds
  • Withstands the most corrosive elements in diesel engines: oil, coolants, and coolant additives
  • Performs well in temperature ranges of -40 Degree F (-40 Degree C) to +212 Degree F (+100 Degree C)
  • PLEASE NOTE: Priced and sold by inch. See store for details.
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Gates – Premium Molded Coolant Hose (Part No.21488)

Premium Molded Coolant Hose

from

$32.99
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-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
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Dayco – Straight Radiator Hoses; EPDM Rubber, HD, 2 1/2 Inch Inner Dia. (sold by inch) (Part No.77250GL)

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

from

$2.49
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?F (-40?C) to +212?F (+100?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: 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

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12.50" Long, 2.25" Diameter (Part No.C70920)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12.50" Long, 2.25" Diameter

from

$21.49
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
See More

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 – Molded 90 Degree Silicone Coolant Hose (Part No.28212)

Molded 90 Degree Silicone Coolant Hose

from

$148.99
Newer heavy-duty engines with advanced emissions systems (from 2007 to current model year) produce higher under-hood temperatures, requiring the use of silicone coolant hose. In these new low engine-air-flow and high-heat conditions, Gates Silicone Coolant Hose is the perfect product.

Product Features:
  • Premium 4-ply construction
  • High heat resistance material meets or exceeds OE specifications
  • Multiple layers of high-quality silicone
  • Industry standard blue cover and orange tube for easy identification
  • polyester braiding, which is not affected by coolant and heat penetration
  • The very thick and flexible tube helps prevent “cold leaks and hardening caused by heat”
  • High-grade silicone cover resists coolants, ozone, weathering, sunlight and extreme ambient temperatures
  • Exceeds requirements of SAE J20R1, Class A
  • Temperature Range: -65 Deg. F to +350 Deg. F (+54 Deg. C to +177 Deg. C)
  • Gates also offers application-specific molded silicone coolant hose for exact dimensional specifications
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Dayco – Straight Radiator Hoses; EPDM Rubber, 1 5/8 Inch Inner Diameter (sold by inch) (Part No.76163)

Straight Radiator Hoses; EPDM Rubber, 1 5/8 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

Most Popular Lower Radiator Hose for 1999 Peterbilt 320s

Enhance your 1999 Peterbilt 320 with this popular Lower Radiator Hose we have in stock, for $1.79.

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

Best-Selling 1999 Peterbilt 320 Upper Radiator Hoses

Upgrade your 320 with one of our 3 best-selling Upper Radiator Hoses.

Dayco – Straight Radiator Hoses; EPDM Rubber, 1 5/8 Inch Inner Diameter (sold by inch) (Part No.76163)

Straight Radiator Hoses; EPDM Rubber, 1 5/8 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

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.
See More

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 Peterbilt 320 Engine Cooling Hoses

What are the best-selling Engine Cooling Hoses for 1999 Peterbilt 320s?

Out of 4 Engine Cooling Hoses that fit 1999 Peterbilt 320s, the following parts are the top sellers:

What’s the price range for 1999 Peterbilt 320 Engine Cooling Hoses?

The prices of Engine Cooling Hoses for the 1999 Peterbilt 320 range from $1.29 up to $1.79 for the most premium parts.

What is the average price of an Engine Cooling Hose for a 1999 Peterbilt 320?

The average price for Engine Cooling Hoses for the 1999 Peterbilt 320 is $1.69. 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 Peterbilt 320 model years?

Yes, we carry Engine Cooling Hoses for 29 model years of Peterbilt 320s between 1987 and 2017. The following model years are the most popular for Engine Cooling Hose purchases: 2010, 2009, 2008, 1998, 1997, 1996, 1995, 1994, and 1993.

What are the cheapest Engine Cooling Hoses for my 1999 Peterbilt 320?

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

Yes. We stock Engine Cooling Hoses for 8 other popular 1999 Peterbilt models. Some of the most popular are 1999 330 Engine Cooling Hoses, 1999 200 Engine Cooling Hoses, 1999 357 Engine Cooling Hoses, 1999 362 Engine Cooling Hoses, and 1999 376 Engine Cooling Hoses.

What types of Engine Cooling Hoses do you sell for my 1999 Peterbilt 320?

As of 11/2/25, these are some of the most in-demand types of Engine Cooling Hoses for a 1999 Peterbilt 320:

Can I get help with 1999 Peterbilt 320 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 Peterbilt Engine Cooling Hoses and more.

What is your return policy for Peterbilt 320 Engine Cooling Hoses?

Advance Auto Parts keeps returns simple. For new Peterbilt 320 Engine Cooling Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.