Mercedes-Benz 300D Upper Radiator Hoses

Your Mercedes-Benz 300D will be happy to know that the search for the right Upper Radiator Hoses you’ve been looking for is over! Advance Auto Parts has 7 different Upper Radiator Hoses for your vehicle, ready for shipping or in-store pick up. The best part is, our Mercedes-Benz 300D Upper Radiator Hoses start from as little as $1.49.

When it comes to your Mercedes-Benz 300D, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Upper Radiator Hoses brands so you can shop with complete confidence. Some of our top Upper Radiator Hoses brands are Dayco and Gates. We’re sure you will get the right product to keep that 300D running for a long time.

We even have reviews of our OEM and aftermarket Upper Radiator Hoses products to help you buy with confidence. Hear from other customers via the 12 reviews on parts for your Mercedes-Benz 300D.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Upper Radiator Hoses for your 300D, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Mercedes-Benz Upper Radiator Hoses

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14" Long, 1.25" Diameter (Part No.C70705)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 14" Long, 1.25" Diameter

from

$18.29
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

Dayco – Flex Radiator Hoses; EPDM Rubber, 2 Inch Long, 1.25 Inch Inner Dia. (Part No.81061)

Flex Radiator Hoses; EPDM Rubber, 2 Inch Long, 1.25 Inch Inner Dia.

from

$30.99
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 spl

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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 16" Long, 1.22" Diameter (Part No.D71267)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 16" Long, 1.22" Diameter

from

$14.49
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 – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.25" Long, 1.50" Diameter (Part No.C70115)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.25" Long, 1.50" Diameter

from

$18.29
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

Dayco – Flex Radiator Hoses; EPDM Rubber, 12.25 Inch Long, 1.5 Inch Inner Dia. (Part No.81141)

Flex Radiator Hoses; EPDM Rubber, 12.25 Inch Long, 1.5 Inch Inner Dia.

from

$16.79
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:
  • 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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12" Long, 1.25" Diameter (Part No.B70748)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12" Long, 1.25" Diameter

from

$19.79
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:
  • 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 – Flex Radiator Hoses; EPDM Rubber, 19.88 Inch Long, 1.5 Inch Inner Dia. (Part No.81181)

Flex Radiator Hoses; EPDM Rubber, 19.88 Inch Long, 1.5 Inch Inner Dia.

from

$21.99
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 spl

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
See More

Dayco – Flex Radiator Hoses; EPDM Rubber, 11 Inch Long, 1.25 Inch Inner Dia. (Part No.81031)

Flex Radiator Hoses; EPDM Rubber, 11 Inch Long, 1.25 Inch Inner Dia.

from

$27.49
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:
  • 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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.50" Long, 1.50" Diameter (Part No.C70443)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 13.50" Long, 1.50" Diameter

from

$14.99
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:
  • 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 – Flex Radiator Hoses; EPDM Rubber, 17.25 Inch Long, 1.5 Inch Inner Dia. (Part No.81171)

Flex Radiator Hoses; EPDM Rubber, 17.25 Inch Long, 1.5 Inch Inner Dia.

from

$20.49
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:
  • 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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19.75" Long, 1.50" Diameter (Part No.E70344)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19.75" Long, 1.50" Diameter

from

$20.99
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:
  • 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 – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.5" Long, 1.16" Diameter (Part No.E72766)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.5" Long, 1.16" Diameter

from

$83.99
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:
  • 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 – Flex Radiator Hoses; EPDM Rubber, 15.5 In. Long, 1.5 In. to 1.25 In. Inner Dia. (Part No.81081)

Flex Radiator Hoses; EPDM Rubber, 15.5 In. Long, 1.5 In. to 1.25 In. Inner Dia.

from

$17.49
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:
  • 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
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9.25" Long, 1.38" Diameter (Part No.B71400)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9.25" Long, 1.38" Diameter

from

$15.79
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:
  • 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 – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 20" Long, 1.44" Diameter (Part No.E72108)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 20" Long, 1.44" Diameter

from

$22.49
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 – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17" Long, 1.38" Diameter (Part No.D71097)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 17" Long, 1.38" Diameter

from

$13.29
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

Rein – Radiator Hose (Part No.CHR0469)

Radiator Hose

from

$90.99
Rein Automotive OE quality radiator hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses and hose assemblies, Rein hoses are identical to the OEM, from the size and shape of their branches to the thermoplastic quick connect fittings.

Product Features:
  • Reduces installation time.
  • No cutting, refitting or adjusting the hose.
  • Prevents leaks and comebacks from reusing old quick connectors and o-rings.
  • Resistant to heat, salt, road debris, oil and other contaminants.
See More

Rein – Radiator Hose (Part No.CHR0366R)

Radiator Hose

from

$44.99
Rein Automotive OE quality radiator hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses and hose assemblies, Rein hoses are identical to the OEM, from the size and shape of their branches to the thermoplastic quick connect fittings.

Product Features:
  • Reduces installation time.
  • No cutting, refitting or adjusting the hose.
  • Prevents leaks and comebacks from reusing old quick connectors and o-rings.
  • Resistant to heat, salt, road debris, oil and other contaminants.
See More

APA/URO – APA/URO Radiator Hose (Part No.G2000142370APA)

APA/URO Radiator Hose

from

$47.41
All APA/URO rubber coolant hoses are pre-shaped and double reinforced for extra strength and durability. Each hose is manufactured from ECD (Electro Chemical Degradation) resistant materials, which prevents electrolysis from breaking down the rubber from the inside out. All APA/URO cooling components are made to meet or exceed OE standards.

Product Features:
  • All cooling-water hose inner linings are resistant to electrochemical cracking
  • high strength and resistance to oil, mud, salt, road debris, and ozone
  • Resistance to distilled water and water ethylene glycol mixtures
  • Resistance to air temperatures of up to 125C
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 8" Long, 1.50" Diameter (Part No.B71070)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 8" Long, 1.50" Diameter

from

$9.99
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:
  • 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

Rein – Radiator Hose (Part No.CHR0435)

Radiator Hose

from

$75.99
Rein Automotive OE quality radiator hoses fit European vehicles the way the original manufacturer intended. Designed to be direct replacements for OE hoses and hose assemblies, Rein hoses are identical to the OEM, from the size and shape of their branches to the thermoplastic quick connect fittings.

Product Features:
  • Reduces installation time.
  • No cutting, refitting or adjusting the hose.
  • Prevents leaks and comebacks from reusing old quick connectors and o-rings.
  • Resistant to heat, salt, road debris, oil and other contaminants.
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11.50" Long, 1.25" Diameter (Part No.B70832)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11.50" Long, 1.25" Diameter

from

$13.49
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 – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.28" Diameter (Part No.E73098)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19" Long, 1.28" Diameter

from

$72.99
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:
  • 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 – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.5" Long, 1.56" Diameter (Part No.E72746)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.5" Long, 1.56" Diameter

from

$58.99
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:
  • 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 – Premium Modular Coolant Hose (Part No.23746)

Premium Modular Coolant Hose

from

$111.99
Modular coolant hoses are on many of today’s vehicles and are much more complex than the standard molded hoses of the past. Modular coolant hoses are hose assemblies with one or more components built into the hose. Some examples of these components include hose branches, quick connectors, valves, sensors, bleeders and flow restrictors. Manufactured identical or equivalent to the OE hose, modular coolant hoses will keep your vehicle’s cooling system running properly and efficiently for years to come.

Product Features:
  • Specifically-engineered materials resist collapse under vacuum
  • Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
  • EPDM tube: synthetic fiber knit reinforcement, heat-, ozone- and chemical coolant-resistant EPDM cover
  • Manufactured with OEM-exact hose components (quick connects, branch connectors/tees, sensors, etc.)
  • Meets SAE 20R3 EC Class D1 under 25mm (1 in.) ID, SAE 20R4 EC Class D1 for 25mm (1 in.) ID and over
  • Temperature Range: -40 Deg. F to +257 Deg. F (-40 Deg. C to +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
See More

FAQs for Mercedes-Benz 300D Upper Radiator Hoses

What are the most popular Upper Radiator Hoses for the Mercedes-Benz 300D?

With 2 brands you can trust, our most popular Upper Radiator Hoses for the Mercedes-Benz 300D are: