2003 Freightliner Classic Radiator Hoses
Keep Your 2003 Freightliner Classic in Top Shape with a Quality Radiator Hose
When it comes to maintaining or upgrading your 2003 Freightliner Classic, choosing high-quality parts is crucial for ensuring your vehicle stays in top shape, whether you’re tackling a repair or enhancing performance. At Advance Auto Parts, we know how important it is to find the right Radiator Hose for your Classic. We currently carry a top Radiator Hose in stock that is built to last. Whether you’re replacing a damaged Radiator Hose or looking to upgrade, our selection for the 2003 Freightliner Classic ensures you’ll find exactly what you need to keep your vehicle looking and performing its best.
Explore Related Parts
And while you’re here, don’t forget to check out related part categories like Belt Tensioners and Pulleys to complete your upgrade or repair project. At Advance Auto Parts, we’re proud to offer the parts and expertise to keep your 2003 Freightliner Classic running smoothly and looking great.
Find Your Specific 2003 Freightliner Classic Radiator Hoses
Looking for the perfect Radiator Hose for your 2003 Freightliner Classic? You’re in the right place. Below, you’ll find a Radiator Hose from a trusted manufacturer that is a perfect fit for your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Radiator Hoses, ensuring durability and a precise fit for your Freightliner Classic. Whether you’re driving a 2003 model or another popular model year like
2001,
2002,
2004,
2005,
2006,
2007,
2008,
2009, and
2011, we’ve got you covered. Purchasing Radiator 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 Radiator Hoses that fit your vehicle.
Essential 2003 Freightliner Classic Radiator Hoses
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12" Long, 1.25" Diameter (Part No.B70817)
from
$16.99
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:
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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 – 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:
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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, 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.
Gates – Premium Molded Coolant Hose (Part No.21194)
from
$34.99
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
Product Features:
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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
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.50" Long, 2.50" Diameter (Part No.E70909)
from
$44.99
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:
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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, HD, 2 1/2 Inch Inner Dia. (sold by inch) (Part No.77250GL)
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:
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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.
Gates – Safety Stripe Standard Straight Heater Hose (Sold by foot) (Part No.28412)
from
$3.99
Premium hose constructed for long service life.
Product Features:
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Product Features:
- Good resistance to high temperatures over prolonged periods, which extends the service life.
- Compliant with SAE 20R3 Standard Wall Class D-2 requirements
- 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
- PLEASE NOTE: Item is priced and sold by the foot. See store for details.
Gates – Molded 90 Degree Silicone Coolant Hose (Part No.28212)
from
$137.99
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:
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Product Features:
- Premium 4-ply construction
- High-heat resistance material meets or exceeds OE specifications
- Multiple layers of premium silicone material
- Industry standard blue cover and orange tube for easy identification
- Polyester knit reinforcement, unaffected by permeation of coolants and heat
- Extra thick and resilient tube prevents cold water leaks and hardening under effect of heat
- The high-quality silicone cover resists refrigerants, ozone, weathering, sunlight, and extreme ambient temperatures.
- Exceeds the requirements of SAE J20R1, Class A
- temperature range Deg. F to +350 degrees F (-54 degrees C to +177 degrees C)
- Gates also offers application-specific molded silicone coolant hose for exact dimensional specifications
Popular 2003 Freightliner Classic Radiator Hoses Categories
Most Popular Coolant Hose for 2003 Freightliner Classics
Enhance your 2003 Freightliner Classic with this popular Coolant Hose we have in stock, for $2.49.
Dayco – Straight Radiator Hoses; EPDM Rubber, HD, 2 1/2 Inch Inner Dia. (sold by inch) (Part No.77250GL)
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:
See More
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.
FAQs for 2003 Freightliner Classic Radiator Hoses
What’s the price range for 2003 Freightliner Classic Radiator Hoses?
We currently have just one Radiator Hoses for the 2003 Freightliner Classic in stock: Straight Radiator Hoses; EPDM Rubber, HD, 2 1/2 Inch Inner Dia. (sold by inch) and it costs $2.49.
Does Advance Auto Parts sell Radiator Hoses for other Freightliner Classic model years?
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 types of Radiator Hoses do you sell for my 2003 Freightliner Classic?
We currently have just 1 Radiator Hose in stock for a 2003 Freightliner Classic, and as of 3/1/26, it is a Coolant Hose.
Can I get help with 2003 Freightliner Classic 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 Classic Radiator Hoses?
Advance Auto Parts keeps returns simple. For new Freightliner Classic Radiator Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.