1978 Mercury Cougar Belts and Hoses
Find Your Specific 1978 Mercury Cougar Belts and Hoses
Below you will find various in-demand Mercury Belts and Hoses, components and accessories for your 1978 Cougar. Advance Auto Parts has popular Cougar parts like Pulleys, Serpentine and V Belts, Engine Cooling Hoses and more. You’ll also find aftermarket and OEM Belts and Hoses for other Cougar model years including
1993,
1994,
1995,
1996,
1997,
1999,
2000,
2001,
2002 and more. Select a category of 1978 Mercury Cougar Belts and Hoses below and start saving instantly.
Popular 1978 Mercury Cougar Belts and Hoses Categories
Essential Belts and Hoses for 1978 Mercury Cougars
Driveworks – Automotive V-Belt, Driveworks, 34013 (Part No.34013)
from
$5.29
The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.
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Gates – Gates Automotive XL High Capacity V-Belt, 7450 (Part No.7450)
from
$27.49
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
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Imperial – Imperial Metal Line Kit for Engine Oil Coolers, 240293 (Part No.240293)
from
$59.99
Metal line kit for engine oil coolers. Routes oil lines past exhaust manifolds.
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Imperial – "Imperial 1/2"" x 12′ Engine Oil Cooler Hose, 240112" (Part No.240112)
from
$46.99
“1/2″” x 12′ engine oil cooler hose. Imperial engine hose is specifically designed for engine cooling applications.”
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Dayco – Idler Pulley, Dayco, 89001 (Part No.89001)
from
$21.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
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Dayco – Idler Pulley, Dayco, 89006 (Part No.89006)
from
$31.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
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Dayco – Dayco V-Belt Idler/Tensioner Pulley Steel, 94mm Dia., 16.4mm Width, Grooves, 89020 (Part No.89020)
from
$24.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
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Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25484 (Part No.25484)
from
$26.99
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19"" Long, 1.50"" Diameter, E70859" (Part No.E70859)
from
$15.99
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.
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Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25305 (Part No.25305)
from
$25.49
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.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 9 Inch Length, 87621 (Part No.87621)
from
$31.99
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 12 Inch Length, 80412 (Part No.80412)
from
$35.99
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 3/4 Inch Diameter, 25 Inch Length, 80414 (Part No.80414)
from
$14.49
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Flex Radiator Hoses EPDM Rubber, 16.5 Inch Long, 1.75 Inch Inner Dia., 81331 (Part No.81331)
from
$34.49
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 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.
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Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25478 (Part No.25478)
from
$19.99
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.
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Gates – Gates Premium Molded Coolant Hose, 22448 (Part No.22448)
from
$17.79
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 11"" Long, 1.31"" Diameter, E71942" (Part No.E71942)
from
$68.99
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 21.25"" Long, 1.44"" Diameter, E71910" (Part No.E71910)
from
$28.99
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.
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Dayco – Dayco Flex Radiator Hoses EPDM Rubber, 17.25 Inch Long, 1.25 Inch Inner Dia., 81051 (Part No.81051)
from
$25.99
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.
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Gates – Gates Premium Molded Heater Hose, 19605 (Part No.19605)
from
$39.99
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.
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Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 24 Inch Length, 80404 (Part No.80404)
from
$41.49
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 €œquick connect€ end allows for fast, convenient installation.
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Gates – Gates Molded 90 Degree Heater Hose, 28475 (Part No.28475)
from
$21.79
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.
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Yukon Gear – Yukon Gear Seal Puller Tool for Popular Gm, Ford, Toyota, and Dana Differentials, 56063 (Part No.56063)
from
$57.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
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Litens – Litens Idler/Tensioner Pulley: Direct Fit, Steel, 70mm Diameter, 900448A (Part No.900448A)
from
$46.99
This Litens supplied pulley is manufactured to original equipment specifications. Heavy duty steel pulley construction ensures long life and trouble-free performance. This pulley meets or exceeds all original equipment fit, form, and performance characteristics. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38001 (Part No.38001)
from
$35.49
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
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Dorman – Dorman Idler/Tensioner Pulley: Specific Fit, Plastic, 132.5 mm Diameter, 419-644 (Part No.419-644)
from
$21.99
This replacement accessory drive belt idler pulley has been engineered to match the function and performance of the original pulley on select vehicle years, makes and models, properly restoring critical vehicle operations.
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Gates – Gates DriveAlign Belt Drive Idler/Tensioner Pulley, 38018 (Part No.38018)
from
$27.99
Gates is a leading manufacturer of Original Equipment (OE) idler pulleys. Gates DriveAlign(R) Idler Pulleys meet or exceed OE specifications. High quality, high strength bearings run cooler and last longer than original bearings. DriveAlign Idler Pulleys are built to last by resisting dirt, salt, and other under-hood contaminants. Designed for use on automobiles and light trucks as locked center tensioning, automatic belt tensioning and idler pulleys.
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Litens – Litens Idler Pulley: Direct Fit, Steel, 95mm Diameter, with Hardware, 900067A (Part No.900067A)
from
$29.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in Canada to the O.E. specified design and meets all performance and durability requirements. Heavy duty split-steel pulley preassembled on a steel belt tensioning bracket for Ford/Mercury applications. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
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Upgrade your 1978 Mercury Cougar with Top-Quality Belts and Hoses
When it comes to maintaining or upgrading your 1978 Mercury Cougar, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Mercury or enhancing its overall performance, Belts and Hoses are key to keeping your Cougar functioning at its best. At Advance Auto Parts, we offer a wide selection of 50 Belts and Hoses for the 1978 Mercury Cougar, designed to meet your needs without breaking the bank.
From
Pulley
replacements to
Serpentine and V Belts
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Belts and Hoses for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Belts and Hoses for your 1978 Mercury Cougar at great prices.
Our Belts and Hoses inventory for this model
ranges from just $2.25 to $59.99, with
an average price of $25.18.
Our 50 Belts and Hoses in stock come from 6 trusted brands, so you’re sure to find the right part for your 1978 Mercury Cougar without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1978 Mercury Cougar, we stock popular OEM and aftermarket Belts and Hoses from top names
like Dayco Driveworks, and more.
Dayco Belts and Hoses
start at just $16.79 and boast an impressive 4.5 stars average rating from customers.
With 304 customer reviews and counting, our 1978 Mercury Cougar Belts and Hoses have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Belts and Hose upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 1978 Mercury Cougar is always ready to roll. We’re committed to providing you with everything you need to keep your Cougar in top shape, all in one place.
Start shopping confidently below for your 1978 Mercury Cougar!
Best-Selling Pulleys for 1978 Mercury Cougars
Enhance the driving experience in your Mercury with 1 quality Pulley components, starting at $29.99.
Litens – Litens Idler Pulley: Direct Fit, Steel, 94mm Diameter, 900048A (Part No.900048A)
from
$29.99
This Litens pulley is manufactured by one of the largest original equipment pulley suppliers to ensure proper fit and performance. This pulley is produced for serpentine belt routing applications and conforms to original equipment material, tolerances, and specifications. This replacement part is made in the U.S.A. to the O.E. specified design and meets all performance and durability requirements. Heavy duty steel construction. Litens is the world’s largest supplier of original equipment (O.E.) power transmission products. At Litens, we design systems that are more efficient, resulting in tangible fuel economy/emissions benefits. Litens holds over 2000 patents and continues to respond to the ever-changing automotive industry by investing heavily in new technology, facilities, and people. 90% of our line is made of products coming from the OE manufacturer, which makes the Litens Tensioning Products portfolio the purest OE tensioning line in the North American aftermarket.
See More
Most Popular 1978 Mercury Cougar Serpentine and V Belts
Customize your Mercury with 32 Serpentine and V Belts products
like V-Belts,
Drive Belt Idler Assemblies, and
Pullers, all
priced under $57.99.
Dayco – Dayco Bottom Cog V-Belt 39 Inch Long, Exact Fit Premium Quality, 15390 (Part No.15390)
from
$16.79
Dayco has combined raw-edge construction and a smooth top to ensure high performance on vehicles and drives that utilize V-belts. The Dayco high performance V-belt delivers more flexibility and increases airflow around the belt so it runs cooler and lasts longer. Three plies of neoprene impregnated fabric resist heat, oil and grease while a specially-formulated treatment of the polyester cord provides the strength, stability and reliability that are required for one of the most innovative, top-performing V-belts.
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Dayco – Dayco V-Belt Idler/Tensioner Pulley Steel, 94mm Dia., 16.4mm Width, Grooves, 89020 (Part No.89020)
from
$24.99
Dayco idler/tensioner pulleys are built with smoother surfaces and tighter dimensional tolerances, which translates to less vibration and longer belt life. In addition to stamped, forged steel and powdered metal pulleys, Dayco also designs ultra-strong plastic pulleys with specially formulated glass-filled polymers that resist wear and tear. Premium lubricated ball bearings and double high temperature seals ensure peak bearing performance, the most critical element of a pulley’s service life.
See More
Driveworks – Automotive V-Belt, Driveworks, 52017 (Part No.52017)
from
$5.99
The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.
See More
Driveworks – Automotive V-Belt, Driveworks, 51017 (Part No.51017)
from
$5.49
The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.
See More
Driveworks – Automotive V-Belt, Driveworks, 41513 (Part No.41513)
from
$5.49
The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.
See More
Dayco – Dayco Bottom Cog V-Belt 40.5 Inch Long, Exact Fit Premium Quality, 15405 (Part No.15405)
from
$16.79
Dayco has combined raw-edge construction and a smooth top to ensure high performance on vehicles and drives that utilize V-belts. The Dayco high performance V-belt delivers more flexibility and increases airflow around the belt so it runs cooler and lasts longer. Three plies of neoprene impregnated fabric resist heat, oil and grease while a specially-formulated treatment of the polyester cord provides the strength, stability and reliability that are required for one of the most innovative, top-performing V-belts.
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Driveworks – Automotive V-Belt, Driveworks, 55017 (Part No.55017)
from
$6.29
The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.
See More
Driveworks – Automotive V-Belt, Driveworks, 40515 (Part No.40515)
from
$5.49
The Driveworks V-Belt is manufactured with top quality components to deliver the maximum power and performance on all passenger cars and light duty trucks in service today.
See More
Dayco – Dayco Bottom Cog V-Belt 41.5 Inch Long, Exact Fit Premium Quality, 15415 (Part No.15415)
from
$16.99
Dayco has combined raw-edge construction and a smooth top to ensure high performance on vehicles and drives that utilize V-belts. The Dayco high performance V-belt delivers more flexibility and increases airflow around the belt so it runs cooler and lasts longer. Three plies of neoprene impregnated fabric resist heat, oil and grease while a specially-formulated treatment of the polyester cord provides the strength, stability and reliability that are required for one of the most innovative, top-performing V-belts.
See More
Dayco – V-Belt, Top Cog, Dayco, 17510 (Part No.17510)
from
$15.79
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
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Dayco – Dayco Bottom Cog V-Belt 52 Inch Long, Exact Fit Premium Quality, 17520 (Part No.17520)
from
$15.79
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
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Dayco – Dayco Bottom Cog V-Belt 53 Inch Long, Exact Fit Premium Quality, 17530 (Part No.17530)
from
$15.79
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
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Dayco – V-Belt, Top Cog, Dayco, 17550 (Part No.17550)
from
$28.99
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
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Dayco – Dayco Bottom Cog V-Belt 54 Inch Long, Exact Fit Premium Quality, 17540 (Part No.17540)
from
$27.49
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
See More
Dayco – Dayco Bottom Cog V-Belt 49 Inch Long, Exact Fit Premium Quality, 17490 (Part No.17490)
from
$31.99
Dayco’s high performance HD V-belt is one of the most innovative, top performing belts for its application. By combining raw-edge construction with a specially formulated polyester cord treatment, it offers excellent resistance to repeated flexing and protection against heat, oil and grease as well as the strength, stability and reliability required for vehicles that still need a heavy-duty V-belt.
See More
Yukon Gear – Yukon Gear Seal Puller Tool for Popular Gm, Ford, Toyota, and Dana Differentials, 56063 (Part No.56063)
from
$57.99
Yukon Gear & Axle offers a full line of top quality differential tools to save time and money.
See More
Gates – Gates Automotive XL High Capacity V-Belt, 7417 (Part No.7417)
from
$25.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Dayco – Dayco Bottom Cog V-Belt 33 Inch Long, Exact Fit Premium Quality, 09330 (Part No.09330)
from
$27.99
Dayco has combined raw-edge construction and a smooth top to ensure high performance on vehicles and drives that utilize V-belts. The Dayco high performance V-belt delivers more flexibility and increases airflow around the belt so it runs cooler and lasts longer. Three plies of neoprene impregnated fabric resist heat, oil and grease while a specially-formulated treatment of the polyester cord provides the strength, stability and reliability that are required for one of the most innovative, top-performing V-belts.
See More
Dayco – "Dayco Bottom Cog V-Belt: 50"" Long, Exact Fit Premium Quality, 17500" (Part No.17500)
from
$25.49
Dayco® High Performance V-Belt is the workhorse of the heavy-duty industry. Polyester cord provides maximum power transfer and tension holding capability for the life of the belt. The laminated construction helps absorb greater shock loads associated with diesel engines. These Dayco® High Performance V-Belt advantages translate into less downtime, lower maintenance costs, and increased dependability. Dayco’s High Performance V-Belt meets or exceeds SAE J636 and J637 specifications.
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Gates – Gates Automotive XL High Capacity V-Belt, 9530 (Part No.9530)
from
$49.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Gates – Gates Automotive XL High Capacity V-Belt, 9510 (Part No.9510)
from
$48.49
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Gates – Gates Automotive XL High Capacity V-Belt, 9520 (Part No.9520)
from
$46.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Gates – Gates Automotive XL High Capacity V-Belt, 9550 (Part No.9550)
from
$41.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Gates – Gates Automotive XL High Capacity V-Belt, 9500 (Part No.9500)
from
$40.99
Replacement belt for the most demanding engine drives. Due to thermal forces, this variable notched belt actually tightens on the drive as it gets hot. This results in improved belt performance by reducing tension decay and noise.
See More
Top Picks for 1978 Mercury Cougar Engine Cooling Hoses
Upgrade Mercury Cougars with top-quality Engine Cooling Hoses parts, including 5 OEM and aftermarket selections for your 1978 model.
Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 21"" Long, 1.50"" Diameter, E70755" (Part No.E70755)
from
$17.99
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.
See More
Dayco – Dayco Flex Radiator Hoses EPDM Rubber, 22 Inch Long, 1.5 Inch Inner Dia., 81191 (Part No.81191)
from
$16.99
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.
See More
Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 19"" Long, 1.50"" Diameter, E70859" (Part No.E70859)
from
$15.99
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.
See More
Gates – Gates Safety Stripe Standard Straight Heater Hose (Sold by foot), 28412 (Part No.28412)
Gates – Gates Safety Stripe Standard Straight Heater Hose (Sold by foot), 28411 (Part No.28411)
In-Demand Radiator Hoses for 1978 Mercury Cougars
Select from 8 premium Radiator Hoses parts for your 1978 Mercury Cougar, with prices ranging from $12.99 to $45.99.
Dayco – Dayco Flex Radiator Hoses EPDM Rubber, 22 Inch Long, 1.75 Inch to 1.5 Inch Inner Dia., 81271 (Part No.81271)
from
$45.99
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 5.50"" Long, .63"" Diameter, A70646" (Part No.A70646)
from
$12.99
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.
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Dayco – "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 18.50"" Long, 1.50"" Diameter, E70729" (Part No.E70729)
from
$18.49
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.
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Dayco – Dayco Flex Radiator Hoses EPDM Rubber, 19.88 Inch Long, 1.5 Inch Inner Dia., 81181 (Part No.81181)
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 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.
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Gates – Gates Premium Molded Coolant Hose, 20662 (Part No.20662)
from
$23.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25532 (Part No.25532)
from
$45.99
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.
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Gates – Gates Premium Molded Coolant Hose, 20763 (Part No.20763)
from
$34.49
Gates Molded Coolant Hose is manufactured to fit specific applications. Similar to OEM specifications. Approved for marine applications.
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Gates – Gates Vulco-Flex II Flexible Coolant Hose, 25480 (Part No.25480)
from
$27.49
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.
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Most Sold 1978 Mercury Cougar Heater Hoses
Explore our best-selling Mercury parts for the 1978 Cougar among 2 OEM and aftermarket options starting from $2.99.
Dayco – Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 48 Inch Length, 80406 (Part No.80406)
from
$18.79
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 €œquick connect€ end allows for fast, convenient installation.
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Dayco – Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271 (Part No.80271)
from
$2.99
Dayco Standard Heater Hose is designed to carry the heated coolant from the engine block to the heater core under the dashboard and return it to the engine. Note: This hose is NOT suitable for fuel or oil transfer.
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Top-Rated Belts and Hoses Brands For Your 1978 Mercury Cougar
Shop for the best-rated brands offering Belts and Hoses and other products for your 1978 Mercury Cougars. Below you’ll find some of our best rated Belts and Hoses from Dayco and Driveworks, and more. Belts and Hoses from these brands that fit a 1978 Cougar start at just $5.49 and are rated as high as 4.5 stars. OEM and aftermarket Belts and Hoses don’t get more top quality, durable, and affordable than from the brands below.
Popular Dayco 1978 Mercury Cougar Belts and Hoses
When it comes to maintaining or upgrading your 1978 Mercury Cougar, using quality Belts and Hoses is essential to ensure durability and a perfect fit. Dayco ticks all of those boxes. We offer a wide selection of Dayco Belts and Hoses, specifically designed for the 1978 Mercury Cougar. With over 3 Dayco brand Belts and Hoses in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $16.79, with an average price of just $27.19. Plus, with over 8 customer reviews and an average rating of 4.5 stars, you can trust that our Dayco Belts and Hoses will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$45.99
(2)
Dayco Flex Radiator Hoses EPDM Rubber, 22 Inch Long, 1.75 Inch to 1.5 Inch Inner Dia., 81271
“hose is above standard very strong well built”
from
$16.79
(2)
Dayco Bottom Cog V-Belt 39 Inch Long, Exact Fit Premium Quality, 15390
“I ORDERED THIS AS A REPLACEMENT BELT FOR A MERCRUISER 3.0. I WAS ABLE TO IDENTIFY THE BELT BY LOOKING UP THE NUMBER AND MANUFACTURER FROM THE OLD BEL”
from
$18.79
(4)
Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 48 Inch Length, 80406
“Great product”
Popular Driveworks 1978 Mercury Cougar Belts and Hoses
Driveworks auto parts is one of the highest quality Belts and Hose brands in the market. Any 1978 Mercury Cougar owner should feel confident when installing genuine Driveworks parts in their vehicle. To ensure the best fit and performance for your 1978 Cougar, Advance Auto Parts carries a full inventory of 3 Driveworks Belts and Hoses. Plus you will be keeping your Mercury in peak condition while saving money because prices on these Driveworks Belts and Hoses range from $5.49 to $5.99, plus, with more than 4 customer reviews and an impressive 4.2 stars average rating, you can be confident the Fram Belts and Hoses below will deliver on both quality and value.
FAQs for 1978 Mercury Cougar Belts and Hoses
Which Belts and Hoses are best-sellers for 1978 Mercury Cougars?
Out of 50 Belts and Hoses that fit 1978 Mercury Cougars, the following parts are the top sellers:
- Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271 (10844721) – $2.99
- Dayco Molded Heater Hose EPDM Rubber, 5/8 Inch Diameter, 48 Inch Length, 80406 (5198429) – $18.79
- "Dayco Curved Radiator Hoses: EPDM Rubber, Standard Duty, 21"" Long, 1.50"" Diameter, E70755" (5190908) – $17.99
What’s the price range for 1978 Mercury Cougar Belts and Hoses?
Belts and Hose prices for the 1978 Mercury Cougar start at $2.25 and go up to $59.99 for the most premium parts.
What’s the average price of a Belts and Hose for a 1978 Mercury Cougar?
The average price for Belts and Hoses for the 1978 Mercury Cougar is $25.18. Keep in mind the variety of part types within our Belts and Hose category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Belts and Hoses for other Mercury Cougar model years?
What are the cheapest Belts and Hoses for my 1978 Mercury Cougar?
The cheapest 1978 Mercury Cougar Belts and Hoses we carry in stock are:
- Dayco Straight Heater Hose EPDM Rubber, 5/8 Inch Diameter (Sold by foot), 80271 (10844721) – $2.99
- Gates Safety Stripe Standard Straight Heater Hose (Sold by foot), 28411 (10505038) – $3.99
- Automotive V-Belt, Driveworks, 33009 (5060990) – $4.99
- Gates Safety Stripe Standard Straight Heater Hose (Sold by foot), 28412 (10505007) – $4.99
- Automotive V-Belt, Driveworks, 53017 (5060575) – $5.29
What are the top-rated Belts and Hoses that fit the 1978 Mercury Cougar?
Out of 304 reviews by customers, our 1978 Mercury Cougar Belts and Hoses have an average customer rating of . These are some of the highest-rated Belts and Hose types for the 1978 Mercury Cougar and their top-rated products:
- Serpentine and V Belts
- Automotive V-Belt, Driveworks, 51017 (5060516) – $5.49
- Dayco Bottom Cog V-Belt 39 Inch Long, Exact Fit Premium Quality, 15390 (3300035) – $16.79
- Automotive V-Belt, Driveworks, 52017 (5060540) – $5.99
- Engine Cooling Hoses
- Automotive V-Belt, Driveworks, 51017 (5060516) – $5.49
- Dayco Bottom Cog V-Belt 39 Inch Long, Exact Fit Premium Quality, 15390 (3300035) – $16.79
- Automotive V-Belt, Driveworks, 52017 (5060540) – $5.99
- Radiator Hoses
- Automotive V-Belt, Driveworks, 51017 (5060516) – $5.49
- Dayco Bottom Cog V-Belt 39 Inch Long, Exact Fit Premium Quality, 15390 (3300035) – $16.79
- Automotive V-Belt, Driveworks, 52017 (5060540) – $5.99
What types of Belts and Hoses do you sell for my 1978 Mercury Cougar?
As of 8/2/26, these are some of the most in-demand types of Belts and Hoses for a 1978 Mercury Cougar:
Can I get help with 1978 Mercury Cougar Belts and Hose orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Mercury Belts and Hoses and more.
What is your return policy for Mercury Cougar Belts and Hoses?
Advance Auto Parts keeps returns simple. For new Mercury Cougar Belts and Hoses and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
