2003 Freightliner FL70 Radiator Hoses

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Keep Your 2003 Freightliner FL70 in Top Shape with Quality Radiator Hoses

Whether you’re repairing or upgrading your Radiator Hose, using high-quality parts is key to keeping your 2003 Freightliner FL70 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including By-Pass Hoses and Coolant 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.

Top-Rated Radiator Hoses from Trusted Brands

Looking for a reliable Radiator Hose? We’ve got you covered with options from brands you know and trust like Dayco. For example, Dayco Radiator Hoses start at just $20.29 with an average 4.5 star rating. With over 1 reviews and a solid 4 star average, you can shop with confidence knowing other Freightliner FL70 owners approve.

Explore Related Parts

While you’re upgrading or replacing your Radiator 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 2003 Freightliner FL70 in peak condition, inside and out.

Essential 2003 Freightliner FL70 Radiator Hoses

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

Gates – Premium Molded Coolant Hose (Part No.21194)

Premium Molded Coolant Hose

from

$34.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • The specially designed materials resist collapse under vacuum.
  • Designed to resist electrochemical degradation, which is the primary 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
  • 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 transfer applications
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10" Long, 2" Diameter (Part No.B71595)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10" Long, 2" Diameter

from

$20.29
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

Gates – Molded Coolant Hose (Part No.20206)

Molded Coolant Hose

from

$29.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • Materials specifically designed to 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 Deg. F to +257 degrees F (-40 degrees C to +125 degrees C)
  • Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
  • Warning: Do not use for fuel or oil transfer applications
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 – Flexible Radiator Hose, Heavy Duty, Dayco (Part No.82151GL)

Flexible Radiator Hose, Heavy Duty, Dayco

from

$56.99
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 – Green Stripe Heavy-Duty Straight Heater Hose (Sold by foot) (Part No.28444)

Green Stripe Heavy-Duty Straight Heater Hose (Sold by foot)

from

$10.99
Heavy-duty construction assures dependable operation in truck, bus and off-road equipment heater systems. For a maintenance free connection, install with Power-Grip SB clamps. Approved for marine applications.

Product Features:
  • The construction of the green belt offers the best cost per kilometer
  • Abrasion-resistant cover
  • Designed with materials resistant to electrochemical degradation
  • Reduces water loss from water permeating the hose wall and cover
  • Exceeds SAE 20R1 Type EC (Class D-1 tube and cover Standard Wall)
  • Temperature range: -40 Deg. F to +275 Deg. F (-40 Deg. C to +135 Deg. C)
  • Note: For a maintenance-free connection, use PowerGrip SB clamps.
  • Caution: Do not use for fuel or oil transport applications.
  • PLEASE NOTE: Item is priced and sold by the foot. 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

Most Popular By-Pass Hose for 2003 Freightliner FL70s

Enhance your 2003 Freightliner FL70 with this popular By-Pass 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 2003 Freightliner FL70 Coolant Hoses

Upgrade your FL70 with one of our 3 best-selling Coolant Hoses, earning an average 4 stars rating across 1 reviews.

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10" Long, 2" Diameter (Part No.B71595)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10" Long, 2" Diameter

from

$20.29
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

Gates – Molded Coolant Hose (Part No.20206)

Molded Coolant Hose

from

$29.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • Materials specifically designed to 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 Deg. F to +257 degrees F (-40 degrees C to +125 degrees C)
  • Note: Gates recommends replacing clamps and connectors every time a new cooling hose is installed.
  • Warning: Do not use for fuel or oil transfer applications
See More

Gates – Premium Molded Coolant Hose (Part No.21194)

Premium Molded Coolant Hose

from

$34.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.

Product Features:
  • The specially designed materials resist collapse under vacuum.
  • Designed to resist electrochemical degradation, which is the primary 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
  • 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 transfer applications
See More

Top-Rated Radiator Hose Brands For Your 2003 Freightliner FL70

When it comes to finding the perfect Radiator Hose for your 2003 Freightliner FL70, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Radiator Hose brands including Dayco, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $20.29. Purchasing a Radiator Hose from us here at Advance Auto Parts is a smart move for both you and your 2003 Freightliner FL70, providing peace of mind with parts that meet or exceed OEM standards.

Popular Dayco 2003 Freightliner FL70 Radiator Hoses

If you’re looking for a top-quality Radiator Hose for your 2003 Freightliner FL70, Advance Auto Parts has exactly what you need with our selection of Dayco Radiator Hoses. We have 1 Dayco Radiator Hoses in stock for this fitment, all known for their durability and precision fit. With prices starting at just $20.29, you’ll find the perfect Radiator Hose for your needs and budget. Dayco Radiator Hoses for the 2003 Freightliner FL70 come highly rated, with over 1 customer reviews and an impressive average rating of 4.5 stars. Choosing a Dayco Radiator Hose from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10" Long, 2" Diameter
from $20.29
(1)
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 10" Long, 2" Diameter
“The hose fit as specified….I was glad to get a replacement so easily for this truck.”

FAQs for 2003 Freightliner FL70 Radiator Hoses

What are the best-selling Radiator Hoses for 2003 Freightliner FL70s?

Out of 4 Radiator Hoses that fit 2003 Freightliner FL70s, the following parts are the top sellers:

What’s the price range for 2003 Freightliner FL70 Radiator Hoses?

The prices of Radiator Hoses for the 2003 Freightliner FL70 range from $1.79 up to $34.99 for the most premium parts.

What is the average price of a Radiator Hose for a 2003 Freightliner FL70?

The average price for Radiator Hoses for the 2003 Freightliner FL70 is $23.88. Keep in mind the variety of part types within our Radiator 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 Radiator Hoses for other Freightliner FL70 model years?

Yes, we carry Radiator Hoses for 13 model years of Freightliner FL70s between 1991 and 2005. The following model years are the most popular for Radiator Hose purchases: 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, and 2004.

What are the cheapest Radiator Hoses for my 2003 Freightliner FL70?

The cheapest 2003 Freightliner FL70 Radiator Hoses we carry are:

Does Advance Auto Parts sell Radiator Hoses for any other 2003 Freightliner models?

Yes. We stock Radiator Hoses for 23 other popular 2003 Freightliner models. Some of the most popular are 2003 Sprinter 2500 Radiator Hoses, 2003 Sprinter 3500 Radiator Hoses, 2003 Century Class Radiator Hoses, 2003 Columbia Radiator Hoses, and 2003 M2 106 Radiator Hoses.

What are the top-rated Radiator Hoses that fit the 2003 Freightliner FL70?

The one 2003 Freightliner FL70 Radiator Hose we have in stock is the Straight Radiator Hoses; EPDM Rubber, 2 1/4 Inch Inner Diameter (sold by inch). It costs $1.79.

What types of Radiator Hoses do you sell for my 2003 Freightliner FL70?

As of 3/1/26, these are some of the most in-demand types of Radiator Hoses for a 2003 Freightliner FL70:

Can I get help with 2003 Freightliner FL70 Radiator Hose orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Freightliner Radiator Hoses and more.

What is your return policy for Freightliner FL70 Radiator Hoses?

Advance Auto Parts keeps returns simple. For new Freightliner FL70 Radiator Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.