Mercedes-Benz 300SL Heater Hoses

Your Mercedes-Benz 300SL will be happy to know that the search for the right Heater Hoses you’ve been looking for is over! Advance Auto Parts has 1 different Heater Hoses for your vehicle, ready for shipping or in-store pick up. The best part is, our Mercedes-Benz 300SL Heater Hoses start from as little as $24.99.

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

We even have reviews of our OEM and aftermarket Heater Hoses products to help you buy with confidence. Hear from other customers via the 4 reviews on parts for your Mercedes-Benz 300SL.

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 Heater Hoses for your 300SL, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 19 Mercedes-Benz Heater Hoses

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25" Long, .63" Diameter (Part No.A70001)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 3.25" Long, .63" Diameter

from

$10.99
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
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Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 12 Inch Length (Part No.80412)

Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 12 Inch Length

from

$24.99
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
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Dayco – Molded Heater Hose; EPDM Rubber, 1/2 Inch Diameter, 7 1/2 Inch Length (Part No.87310)

Molded Heater Hose; EPDM Rubber, 1/2 Inch Diameter, 7 1/2 Inch Length

from

$14.99
Providing reliable service in applications requiring molded hoses in small diameters, the Dayco small I.D. heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • The knitted polyester reinforcement provides high burst strength and resists degradation from temperature extremes and moisture
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Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length (Part No.80400)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length

from

$18.29
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
See More

Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 6 Inch Length (Part No.80411)

Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 6 Inch Length

from

$7.79
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
See More

Dayco – Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 25 Inch Length (Part No.80414)

Molded Heater Hose; EPDM Rubber, 3/4 Inch Diameter, 25 Inch Length

from

$12.99
Providing reliable service in applications requiring molded hoses, the Dayco heater hose is designed to replace OEM coolant hoses. Made with the same bends and routing as the original assembly, this molded hose is meant to fit the vehicle precisely. The knitted reinforcement and synthetic EPDM construction provide high-strength performance and resistance to detrimental environmental elements, coolants and temperature variations of -40°F (-40°C) to +257°F (+125°C) and the “quick connect” end allows for fast, convenient installation.

Product Features:
  • Meets the requirements of SAE J20R3, Class D-1
  • Designed to meet Type EC electro-chemical requirements as specified in SAE J1684, which prevents inner tube deterioration caused by the build-up of static electric charges
  • Engineered as an OEM replacement
  • Meets Type EC electro-chemical requirements as specified in SAE J1684
See More

Gates – Premium 5/16 X 50 Ft Heater Hose by Gates (sold by each) (Part No.28408)

Premium 5/16 X 50 Ft Heater Hose by Gates (sold by each)

from

$1.79
Premium hose constructed for long service life.

Product Features:
  • Good resistance to high temperatures for extended periods of time
  • Similar to SAE 20R3 Class D-3
  • Temperature rating: -40 Deg. F to +257 Deg. F (-40 Deg. C to +125 Deg. C)
  • CAUTION: Do not use for fuel or oil transfer applications.
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Meyle – Meyle Cooling Hose (Part No.G2021251180MEY)

Meyle Cooling Hose

from

$37.35
Only highest-grade components are used on MEYLE cooling hoses to guarantee exceptionally long product life.

Product Features:
  • Hose is 20% thicker than its OE equivalent and crafted with expert workmanship.
  • Original Norma connector provides for excellent sealing.
  • Made of extremely robust Kevlar fabric.
  • Excellent temperature resistance.
  • Smooth, anti-soiling surface repellent to dust, oil and rust.
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APA/URO Parts – Heater Hose Junction (Part No.R3029110409APA)

Heater Hose Junction

from

$23.99
Heater Hose Junction

APA/URO Parts – Heater Hose (Part No.R303018160APA)

Heater Hose

from

$16.91
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
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APA/URO Parts – Heater Hose (Part No.R3030288322APA)

Heater Hose

from

$56.13
Heater Hose

Rein – Heater Hose (Part No.CHH0241R)

Heater Hose

from

$49.99
Rein Automotive OE quality heater 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.
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APA/URO – APA/URO Heater Hose (Part No.R303073983APA)

APA/URO Heater Hose

from

$30.80
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

Burgaflex – Heater Hose (Part No.R303037178BUR)

Heater Hose

from

$26.19
Heater Hose

Elaplast – Elaplast Heater Hose (Part No.R3030252771ELA)

Elaplast Heater Hose

from

$17.45
Elaplast brand engine cooling products are designed and manufactured to exceed original equipment (OE) specifications and are engineered to operate in the highly-stressful environment of today’s higher performance cooling systems. The Elaplast line of cooling system hoses are designed to meet OE standards and are subjected to rigorous quality and performance tests.

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

Rein – Heater Hose (Part No.CHH0285R)

Heater Hose

from

$14.49
Rein Automotive OE quality heater 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

Vaico – Vaico Heater Hose (Part No.R3030183429VCO)

Vaico Heater Hose

from

$9.75
Vaico engine cooling products are designed and manufactured to exceed original equipment (OE) specifications and are engineered to operate in the highly-stressful environment of today’s higher performance cooling systems. The Vaico line of cooling system hoses are designed to meet OE standards and are subjected to rigorous quality and performance tests.

Product Features:
  • Quick connector made in Germany
  • 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

Elaplast – Elaplast Heater Hose (Part No.R3030267746ELA)

Elaplast Heater Hose

from

$8.74
Elaplast brand engine cooling products are designed and manufactured to exceed original equipment (OE) specifications and are engineered to operate in the highly-stressful environment of today’s higher performance cooling systems. The Elaplast line of cooling system hoses are designed to meet OE standards and are subjected to rigorous quality and performance tests.

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

Elaplast – Elaplast Heater Hose (Part No.R3030183494ELA)

Elaplast Heater Hose

from

$6.33
Elaplast brand engine cooling products are designed and manufactured to exceed original equipment (OE) specifications and are engineered to operate in the highly-stressful environment of today’s higher performance cooling systems. The Elaplast line of cooling system hoses are designed to meet OE standards and are subjected to rigorous quality and performance tests.

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