2003 Freightliner FLD120SD Engine Cooling Hoses
Keep Your 2003 Freightliner FLD120SD 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 2003 Freightliner FLD120SD looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Upper Radiator Hoses and Lower 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 2003 Freightliner FLD120SD Engine Cooling Hose at Advance Auto Parts is around $21.99, with a range that starts at $2.99 and goes up to $40.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch) and Premium Molded Coolant Hose start at just $2.99 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 2003 Freightliner FLD120SD in peak condition, inside and out.
Find Your Specific 2003 Freightliner FLD120SD Engine Cooling Hoses
Looking for the perfect Engine Cooling Hose for your 2003 Freightliner FLD120SD? 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 Freightliner FLD120SD. Whether you’re driving a 2003 model or another popular model year like
2005,
2006, and
2007, 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 2003 Freightliner FLD120SD Engine Cooling Hoses
Gates – Molded Heater Hose: EPDM, Direct Fit, 2.5" Inside Diameter (Part No.21135)
from
$55.99
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:
- Specifically-engineered materials resist collapse under vacuum
- Engineered to resist 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
- Compliant with the requirements of SAE 20R4, class D2 and DIN 73411, class A standards (except with regard to 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
Gates – Premium Molded Coolant Hose (Part No.21115)
from
$49.99
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 resist electrochemical degradation, which is the primary cause of hose failure
- Pre-shaped to fit and ensure a perfect seal
- 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 Deg. 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
- Warning: Do not use for fuel or oil transfer applications
Dayco – Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch) (Part No.77300GL)
from
$2.99
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 Deg. F (-40 Deg. C) to +212 Deg. F (+100 Deg. 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: Item is sold and priced by the inch. See store for details.
Gates – Premium Molded Coolant Hose (Part No.21042)
from
$40.99
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-shaped to fit and ensure a perfect seal
- 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 transport applications.
Gates – Premium Molded Coolant Hose (Part No.20611)
from
$36.99
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 resist electrochemical degradation, the main cause of casing failure
- Pre-shaped to fit and ensure a perfect seal
- 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 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.
- Caution: Do not use for fuel or oil transport applications.
Gates – Premium Molded Coolant Hose (Part No.22952)
from
$118.99
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 specifically designed to resist collapse under vacuum
- Designed to resist electrochemical degradation, which is the primary 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
- Compliant with the requirements of SAE 20R4, class D2 and DIN 73411, class A standards (except with regard to 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 transport applications.
Gates – Molded 90 Degree Silicone Coolant Hose (Part No.28210)
from
$139.99
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-layer construction
- The high heat-resistant material meets or exceeds OE specifications
- Multiple layers of premium silicone material
- Industry standard blue cover and orange tube for easy identification
- Polyester braiding, which is unaffected by refrigerant penetration and heat
- An extra-thick, flexible tube prevents leaks of cold water and hardening due to the 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: -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
Popular 2003 Freightliner FLD120SD Engine Cooling Hoses Categories
Most Popular Upper Radiator Hose for 2003 Freightliner FLD120SDs
Enhance your 2003 Freightliner FLD120SD with this popular Upper Radiator Hose we have in stock, for $2.99.
Dayco – Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch) (Part No.77300GL)
from
$2.99
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 Deg. F (-40 Deg. C) to +212 Deg. F (+100 Deg. 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: Item is sold and priced by the inch. See store for details.
Best-Selling 2003 Freightliner FLD120SD Lower Radiator Hose
Upgrade your FLD120SD with our best-selling Lower Radiator Hose.
Gates – Premium Molded Coolant Hose (Part No.21042)
from
$40.99
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-shaped to fit and ensure a perfect seal
- 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 transport applications.
FAQs for 2003 Freightliner FLD120SD Engine Cooling Hoses
What are the best-selling Engine Cooling Hoses for 2003 Freightliner FLD120SDs?
Out of 2 Engine Cooling Hoses that fit 2003 Freightliner FLD120SDs, the following parts are the top sellers:
- Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch) (20590259) – $2.99
- Premium Molded Coolant Hose (10998572) – $40.99
What’s the price range for 2003 Freightliner FLD120SD Engine Cooling Hoses?
The prices of Engine Cooling Hoses for the 2003 Freightliner FLD120SD range from $2.99 up to $40.99 for the most premium parts.
What is the average price of an Engine Cooling Hose for a 2003 Freightliner FLD120SD?
The average price for Engine Cooling Hoses for the 2003 Freightliner FLD120SD is $21.99. 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 Freightliner FLD120SD model years?
What are the cheapest Engine Cooling Hoses for my 2003 Freightliner FLD120SD?
The cheapest 2003 Freightliner FLD120SD Engine Cooling Hoses we carry are:
- Straight Radiator Hoses; EPDM Rubber, HD, 3 Inch Inner Dia. (Sold by inch) (20590259) – $2.99
- Premium Molded Coolant Hose (10998572) – $40.99
Does Advance Auto Parts sell Engine Cooling Hoses for any other 2003 Freightliner models?
Yes. We stock Engine Cooling Hoses for 22 other popular 2003 Freightliner models. Some of the most popular are 2003 Sprinter 2500 Engine Cooling Hoses, 2003 Sprinter 3500 Engine Cooling Hoses, 2003 Century Class Engine Cooling Hoses, 2003 Columbia Engine Cooling Hoses, and 2003 M2 106 Engine Cooling Hoses.
What types of Engine Cooling Hoses do you sell for my 2003 Freightliner FLD120SD?
As of 3/1/26, these are some of the most in-demand types of Engine Cooling Hoses for a 2003 Freightliner FLD120SD:
Can I get help with 2003 Freightliner FLD120SD 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 Freightliner Engine Cooling Hoses and more.
What is your return policy for Freightliner FLD120SD Engine Cooling Hoses?
Advance Auto Parts keeps returns simple. For new Freightliner FLD120SD Engine Cooling Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.