1978 Dodge D300 Lower Radiator Hoses
Your 1978 Dodge D300 might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Lower Radiator Hoses you desperately need.
We currently carry 10 Lower Radiator Hoses to choose from for your 1978 Dodge D300, and our inventory prices range from as little as $14.49 up to $49.99.
On top of low prices, Advance Auto Parts offers 2 different trusted brands of Lower Radiator Hoses for the 1978 Dodge D300. We only sell parts from trusted brands like Dayco so that you can find quality parts you can count on.
Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 27 reviews on our Lower Radiator Hoses for the 1978 Dodge D300 from previous customers.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Lower Radiator Hoses stock in-person!
Lower Radiator Hoses for Your 1978 Dodge D300
Dayco – Flex Radiator Hoses; EPDM Rubber, 16.5 Inch Long, 1.75 Inch Inner Dia. (Part No.81331)
from
$21.79
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 spl
Product Features:
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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
- This hose is designed to prevent splitting, ballooning, and elongation
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14.50" Long, 1.75" Diameter (Part No.C70445)
from
$20.79
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 – Flex Radiator Hoses; EPDM Rubber, 22 Inch Long, 1.5 Inch Inner Dia. (Part No.81191)
from
$28.49
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 spl
Product Features:
See More
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
- This hose is designed to prevent splitting, ballooning, and elongation
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14.50" Long, 1.75" Diameter (Part No.C70438)
from
$16.79
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 – Flex Radiator Hoses; EPDM Rubber, 17.81 Inch Long, 1.5 Inch Inner Dia. (Part No.81490)
from
$24.49
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 spl
Product Features:
See More
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
- This hose is designed to prevent splitting, ballooning, and elongation
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 15.50" Long, 1.50" Diameter (Part No.D70776)
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:
See More
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 – Flex Radiator Hoses; EPDM Rubber, 21.44 Inch Long, 1.5 Inch Inner Dia. (Part No.81492)
from
$14.49
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 spl
Product Features:
See More
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
- This hose is designed to prevent splitting, ballooning, and elongation
Gates – Premium Molded Coolant Hose (Part No.20993)
from
$49.99
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
- 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 hose clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates – Vulco-Flex½ II Flexible Coolant Hose (Part No.25476)
from
$29.49
Product Features:
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- Improved sealing surface for greater leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with minimum inventory
- Resistant to heat, oil and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature Range: up to +257 Deg. F (+125 Deg. C)
- Note: Gates recommends replacing clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
Gates – Vulco-Flex« II Flexible Coolant Hose (Part No.25482)
from
$24.99
Gates Vulco-Flex(R) II hose will bend in almost any direction. It easily replicates the angles and planes of a wide variety of expensive original equipment coolant hose, for quick, easy replacement.
Product Features:
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Product Features:
- Improved sealing surface for greater leak resistance
- High flexibility for easy installation
- Maximum vehicle coverage with minimum inventory
- Resistant to heat, oil and ozone
- Rated for SAE 20R5 Class D-2 performance
- Temperature Range: up to +257 Deg. F (+125 Deg. C)
- Note: Gates recommends replacing clamps each time a new coolant hose is installed
- Caution: Do not use for fuel or oil transfer applications
FAQs for 1978 Dodge D300 Lower Radiator Hoses
What are the most popular Lower Radiator Hoses for the 1978 Dodge D300?
With 2 brands you can trust, our most popular Lower Radiator Hoses for the 1978 Dodge D300 parts are:
from
$20.79
(7)
Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14.50" Long, 1.75" Diameter
Lower Radiator Hoses
from
$21.79
(1)
Flex Radiator Hoses; EPDM Rubber, 16.5 Inch Long, 1.75 Inch Inner Dia.
Lower Radiator Hoses
from
$28.49
(3)
Flex Radiator Hoses; EPDM Rubber, 22 Inch Long, 1.5 Inch Inner Dia.
Lower Radiator Hoses
