Mercury Mountaineer Heater Hoses

Your One-Stop Shop For Trusted Mercury Mountaineer Heater Hoses

If you’re in search of Mercury Mountaineer Heater Hoses aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 37 Heater Hoses from top brands with prices ranging from $10.15 to $142.98.

Beyond great prices, we stock trusted brands manufacturing all types of Heater Hoses for your Mercury Mountaineer. Of the 4 OEM and aftermarket parts brands we carry, some of the most popular are Dayco, Dorman, and Motorcraft.

And don’t forget to read customer reviews across all Heater Hoses categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Heater Hoses have to cost top dollar, and we prove it. Browse our top Mercury Mountaineer Heater Hoses below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Mercury Mountaineer Heater Hoses

Dorman – Heater Hose Connecto (Part No.R30361329114DOR)

Heater Hose Connecto

from

$10.15
Heater Hose Connecto

Dorman – Coolant Fitting (Part No.626-571)

Coolant Fitting

from

$12.49
Made of quality materials, this HVAC heater hose connector matches the fit and function of an original equipment connector to restore leak-free performance.

Product Features:
  • Quality replacement – this heater hose connector matches the fit and function of the original equipment connector
  • Durable construction – this heater hose connector is made of quality materials for a precise fit and leak-free durability
  • Cost-effective solution – offers original equipment quality at competitive price
  • Performance tested – this connector has been rigorously pressure tested to ensure reliable performance
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Gates – Premium Molded Heater Hose (Part No.19183)

Premium Molded Heater Hose

from

$21.99
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.

Product Features:
  • Has all the quality features of Gates molded coolant hose and similar to OEM specifications
  • Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
  • EPDM tube, synthetic fiber knit reinforcement, EPDM cover
  • Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
  • Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 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
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length (Part No.87801)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 18 Inch Length

from

$20.29
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
See More

Dorman – Molded Heater Hose: Rubber (Part No.626-546)

Molded Heater Hose: Rubber

from

$10.79
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this HVAC heater hose assembly directly replaces the original heater hose on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in heater hose assemblies
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Gates – Molded 90 Degree Heater Hose (Part No.28466)

Molded 90 Degree Heater Hose

from

$19.29
Specially designed for difficult heater hose applications requiring sharp 90 degree bends in the hose. Eliminates the need for extensive inventory of OE type curved heater hose. Just 22 sizes handle thousands of applications.

Product Features:
  • Resists electrochemical degradation and water permeation
  • Use with heater hose connectors and bulk heater hose to create custom assemblies
  • Compatible for coolant, air and water applications
  • EPDM tube and cover, synthetic fiber reinforcement
  • SAE 20R3 EC Class D1, SAE 20R4 EC Class D1
  • Temperature Range: -40 Deg. F to +275 Deg. F (-40 Deg. C to +135 Deg. C)
  • Caution: Do not use for fuel or oil transfer applications
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Motorcraft – Motorcraft Heater Hose (Part No.R3030201686MTR)

Motorcraft Heater Hose

from

$77.13
The Motorcraft rubber goods line, including belts and hoses, combines quality materials and design excellence that promote product integrity and customer satisfaction. Manufactured with the right lengths and widths to replace original equipment (OE) hoses, they are the only hoses recommended by Ford Motor Company. Motorcraft hoses offer long-lasting quality – Ethylene-propylene diolefin monomer (EPDM) rubber used in most underhood hoses resists heat, oil, grease, antifreeze and all approved coolant additives.

Product Features:
  • Ethylene-propylene diolefin monomer (EPDM) rubber reinforced with single rayon-braid tube
  • Provides resistance to the damaging effects of coolants, antifreeze and additives
  • Stands up to high pressures
  • Resists deterioration from heat, aging, ozone and underhood chemicals
  • Recommended by Ford Motor Company
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 Inch Length (Part No.87730)

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

from

$28.99
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
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 16 1/2 Inch Length (Part No.87867)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 16 1/2 Inch Length

from

$18.79
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
See More

Dayco – Heater Hose (Part No.R3030162839DAY)

Heater Hose

from

$15.03
Heater Hose

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 5 Inch Length (Part No.87659)

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

from

$16.79
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
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 9 1/2 Inch Length (Part No.87731)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 9 1/2 Inch Length

from

$30.99
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
See More

Gates – Premium Molded Heater Hose (Part No.19103)

Premium Molded Heater Hose

from

$43.49
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.

Product Features:
  • Has all the quality features of Gates molded coolant hose and similar to OEM specifications
  • Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
  • EPDM tube, synthetic fiber knit reinforcement, EPDM cover
  • Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
  • Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 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
See More

Dorman – Heater Hose Set (Part No.R30311026189DOR)

Heater Hose Set

from

$142.98
Heater Hose Set

Motorcraft – Heater Hose (Part No.R3030201689MTR)

Heater Hose

from

$29.95
The Motorcraft rubber goods line, including belts and hoses, combines quality materials and design excellence that promote product integrity and customer satisfaction. Manufactured with the right lengths and widths to replace original equipment (OE) hoses, they are the only hoses recommended by Ford Motor Company. Motorcraft hoses offer long-lasting quality – Ethylene-propylene diolefin monomer (EPDM) rubber used in most underhood hoses resists heat, oil, grease, antifreeze and all approved coolant additives.

Product Features:
  • Ethylene-propylene diolefin monomer (EPDM) rubber reinforced with single rayon-braid tube
  • Provides resistance to the damaging effects of coolants, antifreeze and additives
  • Stands up to high pressures
  • Resists deterioration from heat, aging, ozone and underhood chemicals
  • Recommended by Ford Motor Company
See More

Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, .63" Diameter (Part No.A71877)

Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5" Long, .63" Diameter

from

$25.99
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 – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 1/2 Inch Length (Part No.87725)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 1/2 Inch Length

from

$11.79
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
See More

Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 Inch Length (Part No.87633)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 Inch Length

from

$16.79
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
See More

Gates – Premium Molded Heater Hose (Part No.18453)

Premium Molded Heater Hose

from

$21.99
Gates Small I.D. Molded Coolant Hose is factory-molded, OEM style hose to fit today’s smaller, tighter-fitting engine compartments. Can be used for coolant, water and air applications. Approved for marine applications.

Product Features:
  • Has all the quality features of Gates molded coolant hose and similar to OEM specifications
  • Engineered to resist electrochemical degradation ┐ the leading cause of hose failure
  • EPDM tube, synthetic fiber knit reinforcement, EPDM cover
  • Meets SAE 20R3 Type EC Class D-1 and D-2 specifications
  • Temperature Range: -40 Deg. F to 275 Deg. F (-40 Deg. C -135 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
See More

Dorman – Molded Heater Hose: Aluminum/Rubber, OE Fix, Upgraded Material (Part No.626-551)

Molded Heater Hose: Aluminum/Rubber, OE Fix, Upgraded Material

from

$124.99
This replacement HVAC heater hose assembly is engineered to match the fit and durability of the stock heater hose assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Upgraded material – this replacement engine heater hose assembly features aluminum Y-connectors for added durability
  • Application specific – designed to match the original fit and function of heater hoses on certain vehicle years, makes and models
  • Convenient replacement – replace only the damaged coolant collector, not the entire hose assembly
  • Quality engineering – designed in the United States and backed by decades of automotive aftermarket experience
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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, 5/8 Inch Diameter, 36 Inch Length (Part No.80405)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 36 Inch Length

from

$21.29
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, 5/8 Inch Diameter, 8 Inch Length (Part No.87675)

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

from

$18.29
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
See More

Dayco – Molded Small ID Heater Hose (Part No.R3030359234DAY)

Molded Small ID Heater Hose

from

$13.83
Designed to replace original equipment manufacturer hose, Dayco Molded Heater Hose are built with knitted reinforcement and EPDM construction which provides high strength and resistance to oil, mud, salt, road debris, ozone, coolants, and temperature variations of -40F (-40C) to +257F (+125C) that are required for OEM hose replacements. The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose. The Dayco Molded Radiator and Bypass Hose has a convenient plastic hang strap for quick and easy merchandising. In addition to meeting SAE J20R4, Class D-1 requirements, this hose is now designed to meet Type EC electro- chemical requirements as specified in SAE J1684.

Product Features:
  • Made with synthetic EPDM rubber compounds that provide resistance to deterioration from ozone, coolants, and temperature variations of -40F (-40C) to +257F (+125C)
  • The inner base tube is reinforced with knitted rayon for maximum strength and burst resistance for the life of the hose
  • Meets SAE J20R4, Class D-1 requirements for improved service hose
  • Meets Type EC electro-chemical requirements as specified in SAE J1684; which eliminates premature deterioration of the inner tube caused by the build up of static electric charges
  • Limited Three Year Warranty
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Dayco – Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 1/2 Inch Length (Part No.87927)

Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 6 1/2 Inch Length

from

$24.99
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 fi

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
See More

Heater Hoses Brands You Can Trust For Your Mercury Mountaineer

4 trusted brands of Heater Hoses line our shelves, ready to help keep your Mercury Mountaineer running smooth. Below are some of the most popular brands and their top Heater Hoses offerings:

Top Mercury Mountaineer Heater Hoses from Dayco

Your Mercury Mountaineer will be purring again thanks to Dayco brand Heater Hoses available for online order or in-store pick up. Popular Dayco parts include:

Most Purchased Mercury Mountaineer Heater Hoses from Dayco

When you buy the most frequently purchased Dayco brand Heater Hoses, you can be confident it will be the right part for your Mercury Mountaineer. Here are the Dayco Heater Hoses Advanced Auto customers buy the most:
Molded Heater Hose: Rubber/Plastic
from $82.99
(4)
Molded Heater Hose: Rubber/Plastic
Heater Hoses

FAQs for Mercury Mountaineer Heater Hoses

What are the most purchased Heater Hoses for the Mercury Mountaineer?

Out of 37 Heater Hoses for the Mercury Mountaineer, the most popular in our inventory are:
Molded Heater Hose: Rubber/Plastic
from $82.99
(4)
Molded Heater Hose: Rubber/Plastic
Heater Hoses
Coolant Fitting
from $12.49
This product is not rated
Coolant Fitting
Heater Hose Fittings

What are the top-rated Mercury Mountaineer Heater Hoses?

Top-rated Heater Hoses for your Mercury Mountaineer based on customer reviews/ratings are:
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 Inch Length
from $16.79
(4)
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 10 Inch Length
“Fit perfectly in my 2000 civic dx”
Molded Heater Hose: Rubber
from $10.79
(1)
Molded Heater Hose: Rubber
“WOW great hose”
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 8 Inch Length
from $18.29
(1)
Molded Heater Hose; EPDM Rubber, 5/8 Inch Diameter, 8 Inch Length
“GREAT PART , HAD TO CUT TO MAKE IT FIT MY VEHICLE. BUT I EXPECTED THAT.”