1966 Mercury Comet Heater Hoses
Keep Your 1966 Mercury Comet in Top Shape with Quality Heater Hoses
Whether you’re repairing or upgrading your Heater Hose, using high-quality parts is key to keeping your 1966 Mercury Comet looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Heater 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 1966 Mercury Comet Heater Hose at Advance Auto Parts is around $3.94, with a range that starts at $1.99 and goes up to $9.79. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Straight Heater Hose; EPDM Rubber, 5/8 Inch Diameter (sold by foot) and Premium Molded Coolant Hose start at just $1.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Heater Hose, don’t forget to check out other key components like Oil Cooler Hoses and Serpentine and V Belts. At Advance Auto Parts, we’re here to help you keep your 1966 Mercury Comet in peak condition, inside and out.
Find Your Specific 1966 Mercury Comet Heater Hoses
Looking for the perfect Heater Hose for your 1966 Mercury Comet? You’re in the right place. Below, you’ll find links to various types of Heater Hoses that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Heater Hoses, ensuring durability and a precise fit for your Mercury Comet. Whether you’re driving a 1966 model or another popular model year like
1968,
1969,
1971,
1972,
1973,
1974,
1975,
1976, and
1977, we’ve got you covered. Purchasing Heater 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 Heater Hoses that fit your vehicle.
Essential 1966 Mercury Comet Heater Hoses
Gates – Premium Molded Coolant Hose (Part No.20338)
from
$9.79
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 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 – Premium Molded Coolant Hose (Part No.20662)
from
$21.99
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 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
Dayco – Straight Heater Hose; EPDM Rubber, 5/8 Inch Diameter (sold by foot) (Part No.80271)
from
$1.99
Specifically designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine, this Dayco Standard Heater Hose is constructed using all EPDM compounds and spiral reinforcement for high burst strength and excellent heat resistance. Made for general service on light trucks and passenger cars, this hose is similar to SAE 20R3, Class D-2 and has a temperature rating of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). This Dayco Standard Heater Hose is compatible with all common coolant and coolant additives. Note: This hose is NOT suitable for fuel or oil transfer.
Product Features:
See More
Product Features:
- Specifically designed to be compatible with all common coolants and coolant additives
- Constructed using all EPDM compounds and spiral reinforcements
- Similar to SAE 20R3, Class D-2
- Has a high burst strength and excellent heat resistance of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
- PLEASE NOTE: Item is sold and priced by the foot. See store for details.
Popular 1966 Mercury Comet Heater Hoses Categories
Most Popular Heater Hoses for 1966 Mercury Comets
Enhance your 1966 Mercury Comet with one of the 2 Heater Hoses we have in stock, starting at just $1.99.
Dayco – Straight Heater Hose; EPDM Rubber, 5/8 Inch Diameter (sold by foot) (Part No.80271)
from
$1.99
Specifically designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine, this Dayco Standard Heater Hose is constructed using all EPDM compounds and spiral reinforcement for high burst strength and excellent heat resistance. Made for general service on light trucks and passenger cars, this hose is similar to SAE 20R3, Class D-2 and has a temperature rating of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C). This Dayco Standard Heater Hose is compatible with all common coolant and coolant additives. Note: This hose is NOT suitable for fuel or oil transfer.
Product Features:
See More
Product Features:
- Specifically designed to be compatible with all common coolants and coolant additives
- Constructed using all EPDM compounds and spiral reinforcements
- Similar to SAE 20R3, Class D-2
- Has a high burst strength and excellent heat resistance of -40 Degree F (-40 Degree C) to +257 Degree F (+125 Degree C)
- PLEASE NOTE: Item is sold and priced by the foot. See store for details.
Gates – Premium Molded Coolant Hose (Part No.20338)
from
$9.79
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 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
FAQs for 1966 Mercury Comet Heater Hoses
What are the best-selling Heater Hoses for 1966 Mercury Comets?
Out of 2 Heater Hoses that fit 1966 Mercury Comets, the following parts are the top sellers:
- Straight Heater Hose; EPDM Rubber, 5/8 Inch Diameter (sold by foot) (10844721) – $1.99
- Premium Molded Coolant Hose (10511393) – $9.79
What’s the price range for 1966 Mercury Comet Heater Hoses?
The prices of Heater Hoses for the 1966 Mercury Comet range from $1.99 up to $9.79 for the most premium parts.
What is the average price of a Heater Hose for a 1966 Mercury Comet?
The average price for Heater Hoses for the 1966 Mercury Comet is $3.94. Keep in mind the variety of part types within our Heater 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 Heater Hoses for other Mercury Comet model years?
What are the cheapest Heater Hoses for my 1966 Mercury Comet?
The cheapest 1966 Mercury Comet Heater Hoses we carry are:
- Straight Heater Hose; EPDM Rubber, 5/8 Inch Diameter (sold by foot) (10844721) – $1.99
- Premium Molded Coolant Hose (10511393) – $9.79
Does Advance Auto Parts sell Heater Hoses for any other 1966 Mercury models?
Yes. We stock Heater Hoses for 9 other popular 1966 Mercury models. Some of the most popular are 1966 Villager Heater Hoses, 1966 Caliente Heater Hoses, 1966 Voyager Heater Hoses, 1966 Capri Heater Hoses, and 1966 Colony Park Heater Hoses.
What types of Heater Hoses do you sell for my 1966 Mercury Comet?
We currently have just 1 Heater Hose in stock for a 1966 Mercury Comet, and as of 11/2/25, it is a Heater Hose.
Can I get help with 1966 Mercury Comet Heater Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Heater Hoses and more.
What is your return policy for Mercury Comet Heater Hoses?
Advance Auto Parts keeps returns simple. For new Mercury Comet Heater Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.