1978 Mercury Cougar Engine Cooling Parts

Replacement Cooling System Parts
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5.0L
5.8L
6.6L
  • Four Seasons® - Auxiliary Engine Cooling Fan
    Four Seasons®Auxiliary Engine Cooling Fan
    0
    # 2569238423
    Mercury Cougar 1978, Auxiliary Engine Cooling Fan by Four Seasons®. Location: Auxiliary. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once and...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $112.02 - $121.57
  • Hayden® - Cooling Fan Temperature Switch
    Hayden®Cooling Fan Temperature Switch
    2
    # 1014904167
    Mercury Cougar 1978, Cooling Fan Temperature Switch by Hayden®. Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle running cool. From fan clutches and...
    Designed for single or dual fan applicationsBrass construction for accurate temperature sensing
    $17.32 - $37.30
  • Hayden® - Rapid-Cool™ Universal Fit Reversible Fan Kit
    Hayden®Rapid-Cool™ Universal Fit Reversible Fan Kit
    0
    # mpn4890057268
    Mercury Cougar 1978, Rapid-Cool™ Universal Fit Reversible Fan Kit by Hayden®. This product can be used for either primary or add-on cooling. The Hayden Rapid-Cool fan features a thin, aerodynamic profile and reversible push/pull...
    $70.68
  • ACDelco® - Professional™ Molded Engine Coolant Bypass Hose
    ACDelco®Professional™ Molded Engine Coolant Bypass Hose
    0
    # 73602098
    Mercury Cougar 1978, Professional™ Molded Engine Coolant Bypass Hose by ACDelco®. Contains Spring: No. Construction: Molded Assembly. Composed of specially blended materials to deliver long-life performance, ACDelco Professional™...
    Protective sleeves help duplicate GM Original Equipment™ for proper fit and function.Designed to resist electrochemical degradation for durability.
    $23.17Save: 16%
    $19.42
  • Gates® - Vulco-Flex II™ Radiator Coolant Flexible Hose
    Gates®Vulco-Flex II™ Radiator Coolant Flexible Hose
    0
    # 49116675
    Mercury Cougar 1978, Vulco-Flex II™ Radiator Coolant Flexible Hose by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and...
    Great design and functionMade from sturdy materials
    $17.49 - $23.06
  • Continental® ContiTech™ - Elite™ Engine Coolant Flexible Radiator Hose
    Continental® ContiTech™Elite™ Engine Coolant Flexible Radiator Hose
    0
    # 5615737529
    Mercury Cougar 1978, Elite™ Engine Coolant Flexible Radiator Hose by Continental® ContiTech™. Location: Pipe to Radiator. Keep your engine cool with top-notch Continental ContiTech cooling products. They’ll restore the cooling...
    An excellent replacement for your old or malfunctioning cooling partDesigned to restore your vehicle’s performance and reliability
    $14.12 - $15.17
  • Continental® ContiTech™ - Elite™ Engine Coolant Molded Bypass Hose
    Continental® ContiTech™Elite™ Engine Coolant Molded Bypass Hose
    0
    # 5069188623
    Mercury Cougar 5.0L 1978, Elite™ Engine Coolant Molded Bypass Hose by Continental® ContiTech™. This flexible hose can be used to replace a molded radiator hose. It has a corrugated cover that easily follows the bends of the OE...
    Versigard EPDM rubber tube and coverDesigned to withstand temperature from -40°F to +257°F
    $10.30 - $16.18
  • Four Seasons® - Engine Coolant Water Outlet
    Four Seasons®Engine Coolant Water Outlet
    0
    # 5738974736
    Mercury Cougar 1978, Engine Coolant Water Outlet by Four Seasons®. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once and fix it right with...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $9.07 - $11.93
  • Motorcraft® - Coolant Temperature Switch
    Motorcraft®Coolant Temperature Switch
    0
    # mpn122854076
    Mercury Cougar without Automatic Temperature Control 1978, Coolant Temperature Switch by Motorcraft®. Terminal Quantity: 1. Overall Length: 1 1/2". Green Insulator. 1.5" Long. Illumaware. Looking to maintain the top condition of your...
    Direct OEM replacementMeets strict Ford Motor Company standards
    $22.74
  • Dorman® - Engine Coolant Thermostat Housing
    Dorman®Engine Coolant Thermostat Housing
    0
    # 83176379
    Mercury Cougar 1978, Engine Coolant Thermostat Housing by Dorman®. Material: Metal. Bolt Hole Diameter: 0.313". Quantity: 2 Bolt Hole. Finish: Natural. Re-engineered to address common failure points in the original equipment, Dorman’s...
    Ideal replacement - this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and modelsDurable construction - this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
    $12.16 - $17.13
  • MotoRad® - Engine Coolant Thermostat and Housing Assembly
    MotoRad®Engine Coolant Thermostat and Housing Assembly
    0
    # 5738758702
    Mercury Cougar 1978, Engine Coolant Thermostat and Housing Assembly by MotoRad®. Temperature: 192F. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the...
    Offer precise pressure controlEnsure the proper fit
    $18.92 - $25.78
  • Gates® - Engine Coolant Replacement Radiator Cap
    Gates®Engine Coolant Replacement Radiator Cap
    0
    # mpn1933796
    Mercury Cougar 1978, Engine Coolant Replacement Radiator Cap by Gates®. Pressure: 16 psi. Type: Optional System. Shell Diameter: 2.33". Filler Neck Outside Diameter: 2.13". Cap Depth: 1.25". Filler Neck Inside Diameter: 1.61". Filler...
    Wide range of applications covering all makes and modelsManufactured to meet or exceed OEM specifications in function, form and fit
    $5.34
  • Four Seasons® - Thermal Engine Cooling Fan Clutch
    Four Seasons®Thermal Engine Cooling Fan Clutch
    0
    # 2569264698
    Mercury Cougar 1978, Thermal Engine Cooling Fan Clutch by Four Seasons®. Rotation: Standard. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $39.32
  • iD Select® - Engine Cooling Fan Clutch
    iD Select®Engine Cooling Fan Clutch
    0
    # 3629424929
    Mercury Cougar 1978, Engine Cooling Fan Clutch by iD Select®. Rotation: Clockwise. Clutch Style: Standard Duty. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications...
    Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value
    $51.63
  • MotoRad® - Engine Coolant Radiator Cap
    MotoRad®Engine Coolant Radiator Cap
    0
    # mpn4652383177
    Mercury Cougar 1978, Engine Coolant Radiator Cap by MotoRad®. Pressure: 16 psi. MotoRad radiator caps are designed and manufactured to offer precise control for the automotive cooling system. This top-grade product is expertly made in...
    Offer precise pressure controlEnsure the proper fit
    $3.93
  • Motorcraft® - Engine Coolant Radiator Cap
    Motorcraft®Engine Coolant Radiator Cap
    0
    # mpn122851983
    Mercury Cougar 1978, Engine Coolant Radiator Cap by Motorcraft®. Pressure: 16 lbs. With today’s complicated automotive engines, it is crucial to have the right cooling system components for accurate temperature control, pressure...
    Direct OEM replacementMeets strict Ford Motor Company standards
    $7.00
  • MotoRad® - Engine Coolant Safety Lever Radiator Cap
    MotoRad®Engine Coolant Safety Lever Radiator Cap
    0
    # mpn4652383189
    Mercury Cougar 1978, Engine Coolant Safety Lever Radiator Cap by MotoRad®. Pressure: 16 psi. MotoRad radiator caps are designed and manufactured to offer precise control for the automotive cooling system. MotoRad safety lever radiator...
    Offer precise pressure controlEnsure the proper fit
    $5.66
  • USMW Professional Series® - Heavy Duty Engine Cooling Fan Clutch
    USMW Professional Series®Heavy Duty Engine Cooling Fan Clutch
    0
    # 3632554484
    Mercury Cougar 1978, Heavy Duty Engine Cooling Fan Clutch by USMW Professional Series®. Rotation: Bi-Directional. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of...
    Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency
    $34.44 - $43.66
  • MotoRad® - Engine Coolant Thermostat Water Outlet
    MotoRad®Engine Coolant Thermostat Water Outlet
    0
    # 5739003391
    Mercury Cougar 1978, Engine Coolant Thermostat Water Outlet by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each water outlet ensure customers that they can trust the high-quality product used...
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $7.22 - $15.32
  • Mahle® - Engine Coolant Outlet Gasket
    Mahle®Engine Coolant Outlet Gasket
    0
    # 5738824942
    Mercury Cougar 1978, Engine Coolant Outlet Gasket by Mahle®. Keep your cooling system running leak-free, with superior-grade Mahle seals and gaskets designed to provide OE form, fit, and function. Made using advanced technology and the...
    Designed to seal your cooling system from leaksMade from high-quality materials for utmost reliability
    $1.34 - $11.01
  • Fel-Pro® - Engine Coolant Water Outlet Gasket
    Fel-Pro®Engine Coolant Water Outlet Gasket
    0
    # 18917198
    Mercury Cougar 1978, Engine Coolant Water Outlet Gasket by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...
    Quality that you can trustValidated for fit, form and function
    $1.60 - $10.79
  • Walker Products® - Engine Coolant Temperature Sender
    Walker Products®Engine Coolant Temperature Sender
    0
    # mpn4684795956
    Mercury Cougar 1978, Engine Coolant Temperature Sender by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...
    High quality at an affordable priceExpertly made from premium materials
    $12.92
  • Stant® - Engine Coolant Radiator Cap
    Stant®Engine Coolant Radiator Cap
    1
    # 1123574228
    Mercury Cougar 1978, Engine Coolant Radiator Cap by Stant®. Pressure: 16 psi. Type: Optional System. Filler Neck Outside Diameter: 2.13". Filler Neck Inside Diameter: 1.61". Filler Neck Depth: 0.75". Test your radiator cap whenever you...
    Meets Original Equipment specificationsThe SWIV-EL design allows the cap to be installed and removed much easier than conventional radiator caps
    $3.24 - $4.65
  • Four Seasons® - Non-Thermal Engine Cooling Fan Clutch
    Four Seasons®Non-Thermal Engine Cooling Fan Clutch
    0
    # 2569358255
    Mercury Cougar 1978, Non-Thermal Engine Cooling Fan Clutch by Four Seasons®. Rotation: Standard or Reverse. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $26.36
  • ACDelco® - Professional™ Engine Cooling Fan Clutch
    ACDelco®Professional™ Engine Cooling Fan Clutch
    0
    # mpn914832846
    Mercury Cougar 1978, Professional™ Engine Cooling Fan Clutch by ACDelco®. Standard Rotation Standard Duty Thermal Fan Clutch. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $65.63Save: $9.85 (15%)
    $55.78
  • GMB® - Engine Cooling Fan Clutch
    GMB®Engine Cooling Fan Clutch
    0
    # 2569230740
    Mercury Cougar 1978, Engine Cooling Fan Clutch by GMB®. GMB Fan Clutch assures the optimal quality through reliability based on GMB wide experience and knowledge developed from its own production techniques.
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $37.21 - $44.39
  • Gates® - Engine Coolant Thermostat Housing Gasket
    Gates®Engine Coolant Thermostat Housing Gasket
    0
    # 1374767933
    Mercury Cougar 1978, Engine Coolant Thermostat Housing Gasket by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and...
    Great design and functionMade from sturdy materials
    $0.51 - $0.52
  • SKP® - Engine Coolant Radiator Cap
    SKP®Engine Coolant Radiator Cap
    0
    # mpn4933874109
    Mercury Cougar 1978, Engine Coolant Radiator Cap by SKP®. Pressure: 16 psi. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of...
    High quality at an affordable priceExpertly made from premium materials
    $2.40
  • Hayden® - Non-Thermal Engine Cooling Fan Clutch
    Hayden®Non-Thermal Engine Cooling Fan Clutch
    0
    # 2569372722
    Mercury Cougar 1978, Non-Thermal Engine Cooling Fan Clutch by Hayden®. Rotation: Reverse/Standard. Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle...
    Low cost alternative for some standard thermal clutchesAlways engaged, less fuel savings than a thermal clutch
    $28.17
  • Hayden® - Standard Duty Thermal Engine Cooling Fan Clutch
    Hayden®Standard Duty Thermal Engine Cooling Fan Clutch
    0
    # 2569334426
    Mercury Cougar 1978, Standard Duty Thermal Engine Cooling Fan Clutch by Hayden®. Rotation: Standard. Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle...
    Flat plate impeller design with 11.4 sq. in. of working surfaceTurns the fan 60-70% of the shaft speed when engaged
    $39.70




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