1966 Mercury S-55 Engine Cooling Hoses
Keep Your 1966 Mercury S-55 in Top Shape with Quality Engine Cooling Hoses
Whether you’re repairing or upgrading your Engine Cooling Hose, using high-quality parts is key to keeping your 1966 Mercury S-55 looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Upper Radiator Hoses and Lower Radiator 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.
Top-Rated Engine Cooling Hoses from Trusted Brands
Looking for a reliable Engine Cooling Hose? We’ve got you covered with options from brands you know and trust like Dayco. For example, Dayco Engine Cooling Hoses start at just $18.29 with an average 4.5 star rating. With over 4 reviews and a solid 5 star average, you can shop with confidence knowing other Mercury S-55 owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1966 Mercury S-55 Engine Cooling Hose at Advance Auto Parts is around $15.59, with a range that starts at $11.99 and goes up to $18.29. With 3 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12.50" Long, 1.75" Diameter and Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 1.75" Diameter start at just $11.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Engine Cooling 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 S-55 in peak condition, inside and out.
Find Your Specific 1966 Mercury S-55 Engine Cooling Hoses
Looking for the perfect Engine Cooling Hose for your 1966 Mercury S-55? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Hoses that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Hoses, ensuring durability and a precise fit for your Mercury S-55. Whether you’re driving a 1966 model or another popular model year like
1967, we’ve got you covered. Purchasing Engine Cooling 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 Engine Cooling Hoses that fit your vehicle.
Essential 1966 Mercury S-55 Engine Cooling Hoses
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 1.75" Diameter (Part No.B70446)
from
$11.99
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:
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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, 16.5 In. Long, 1.75 In. to 1.5 In. Inner Dia. (Part No.81251)
from
$10.99
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 splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
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
Gates – Vulco-Flex II Flexible Coolant Hose (Part No.25528)
from
$34.49
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 minimal inventory
- Heat, oil and ozone resistant
- Rated for SAE 20R5 Class D-2 performance
- Temperature Range: up to +257 Degrees F (+125 Degrees C)
- Note: Gates recommends replacing clamps each time a new coolant hose is installed
- Warning: Do not use for fuel or oil transfer applications
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12.50" Long, 1.75" Diameter (Part No.C70448)
from
$16.49
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:
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, 16.5 Inch Long, 2 Inch to 1.75 Inch Inner Dia. (Part No.81381)
from
$18.29
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 splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
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" Long, 1.75" Diameter (Part No.C70447)
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
Popular 1966 Mercury S-55 Engine Cooling Hoses Categories
Most Popular Upper Radiator Hose for 1966 Mercury S-55s
Enhance your 1966 Mercury S-55 with this popular Upper Radiator Hose we have in stock, for $11.99.
Dayco – Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 1.75" Diameter (Part No.B70446)
from
$11.99
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
Best-Selling 1966 Mercury S-55 Lower Radiator Hoses
Upgrade your S-55 with one of our 2 best-selling Lower Radiator Hoses, earning an average 5 stars rating across 1 reviews.
Dayco – Flex Radiator Hoses; EPDM Rubber, 16.5 Inch Long, 2 Inch to 1.75 Inch Inner Dia. (Part No.81381)
from
$18.29
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 splitting, ballooning and elongation as well as resist ozone and other detrimental environmental elements, coolants and temperature variations of -40øF (-40øC) to +257øF (+125øC). With corrugations that provide excellent hose flexibility without flattening or collapsing, the Dayco flex radiator hose also features a helical steel coil spring for increased flexibility.
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, 12.50" Long, 1.75" Diameter (Part No.C70448)
from
$16.49
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:
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
Top-Rated Engine Cooling Hose Brands For Your 1966 Mercury S-55
When it comes to finding the perfect Engine Cooling Hose for your 1966 Mercury S-55, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 1 trusted brands. We carry the most popular Engine Cooling Hose brands including Dayco, and more, all known for their exceptional customer ratings (average brand rating of 4.5 stars) and competitive prices, as low as $18.29. Purchasing a Engine Cooling Hose from us here at Advance Auto Parts is a smart move for both you and your 1966 Mercury S-55, providing peace of mind with parts that meet or exceed OEM standards.
Popular Dayco 1966 Mercury S-55 Engine Cooling Hoses
If you’re looking for a top-quality Engine Cooling Hose for your 1966 Mercury S-55, Advance Auto Parts has exactly what you need with our selection of Dayco Engine Cooling Hoses. We have 1 Dayco Engine Cooling Hoses in stock for this fitment, all known for their durability and precision fit. With prices starting at just $18.29, you’ll find the perfect Engine Cooling Hose for your needs and budget. Dayco Engine Cooling Hoses for the 1966 Mercury S-55 come highly rated, with over 1 customer reviews and an impressive average rating of 4.5 stars. Choosing a Dayco Engine Cooling Hose from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$18.29
(1)
Flex Radiator Hoses; EPDM Rubber, 16.5 Inch Long, 2 Inch to 1.75 Inch Inner Dia.
“It fits and is priced right”
FAQs for 1966 Mercury S-55 Engine Cooling Hoses
What are the best-selling Engine Cooling Hoses for 1966 Mercury S-55s?
Out of 3 Engine Cooling Hoses that fit 1966 Mercury S-55s, the following parts are the top sellers:
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12.50" Long, 1.75" Diameter (19590015) – $16.49
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 1.75" Diameter (19590013) – $11.99
What’s the price range for 1966 Mercury S-55 Engine Cooling Hoses?
The prices of Engine Cooling Hoses for the 1966 Mercury S-55 range from $11.99 up to $18.29 for the most premium parts.
What is the average price of an Engine Cooling Hose for a 1966 Mercury S-55?
The average price for Engine Cooling Hoses for the 1966 Mercury S-55 is $15.59. Keep in mind the variety of part types within our Engine Cooling Hose category, where you are likely to find a wide range of prices across a variety of parts and components.
What are the cheapest Engine Cooling Hoses for my 1966 Mercury S-55?
The cheapest 1966 Mercury S-55 Engine Cooling Hoses we carry are:
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 1.75" Diameter (19590013) – $11.99
- Curved Radiator Hoses: EPDM Rubber, Standard Duty, 12.50" Long, 1.75" Diameter (19590015) – $16.49
- Flex Radiator Hoses; EPDM Rubber, 16.5 Inch Long, 2 Inch to 1.75 Inch Inner Dia. (5191254) – $18.29
Does Advance Auto Parts sell Engine Cooling Hoses for any other 1966 Mercury models?
Yes. We stock Engine Cooling Hoses for 9 other popular 1966 Mercury models. Some of the most popular are 1966 Monterey Engine Cooling Hoses, 1966 Marauder Engine Cooling Hoses, 1966 Colony Park Engine Cooling Hoses, 1966 Villager Engine Cooling Hoses, and 1966 Comet Engine Cooling Hoses.
What are the top-rated Engine Cooling Hoses that fit the 1966 Mercury S-55?
The one 1966 Mercury S-55 Engine Cooling Hose we have in stock is the Curved Radiator Hoses: EPDM Rubber, Standard Duty, 9" Long, 1.75" Diameter. It costs $11.99.
What types of Engine Cooling Hoses do you sell for my 1966 Mercury S-55?
As of 11/2/25, these are some of the most in-demand types of Engine Cooling Hoses for a 1966 Mercury S-55:
Can I get help with 1966 Mercury S-55 Engine Cooling Hose orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Mercury Engine Cooling Hoses and more.
What is your return policy for Mercury S-55 Engine Cooling Hoses?
Advance Auto Parts keeps returns simple. For new Mercury S-55 Engine Cooling Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.