1978 Mercury Grand Marquis Engine Cooling Parts

Replacement Cooling System Parts
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5.8L
6.6L
7.5L
  • MotoRad® - Engine Coolant Thermostat and Housing Assembly
    MotoRad®Engine Coolant Thermostat and Housing Assembly
    0
    # mpn4774264365
    Mercury Grand Marquis 6.6L 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...
    Offer precise pressure controlEnsure the proper fit
    $25.78
  • Four Seasons® - Thermal Engine Cooling Fan Clutch
    Four Seasons®Thermal Engine Cooling Fan Clutch
    0
    # 231962139
    Mercury Grand Marquis 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...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $31.64 - $39.32
  • Gates® - Engine Coolant Replacement Radiator Cap
    Gates®Engine Coolant Replacement Radiator Cap
    0
    # mpn1933796
    Mercury Grand Marquis 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"....
    Wide range of applications covering all makes and modelsManufactured to meet or exceed OEM specifications in function, form and fit
    $5.34
  • iD Select® - Engine Cooling Fan Clutch
    iD Select®Engine Cooling Fan Clutch
    0
    # 3629350870
    Mercury Grand Marquis 1978, Engine Cooling Fan Clutch by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and function...
    Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value
    $43.18 - $51.63Save: 10%
    $38.85 - $46.47
  • MotoRad® - Engine Coolant Radiator Cap
    MotoRad®Engine Coolant Radiator Cap
    0
    # mpn4652383177
    Mercury Grand Marquis 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...
    Offer precise pressure controlEnsure the proper fit
    $3.93
  • MotoRad® - Engine Coolant Thermostat Housing
    MotoRad®Engine Coolant Thermostat Housing
    0
    # mpn4743239876
    Mercury Grand Marquis 7.5L 1978, Engine Coolant Thermostat Housing by MotoRad®. MotoRad conducts highly controlled validation using advanced testing equipment that is integrated into the production process of all products.
    Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating
    $13.67
  • Fel-Pro® - Engine Coolant Thermostat Housing Gasket
    Fel-Pro®Engine Coolant Thermostat Housing Gasket
    0
    # mpn349924477
    Mercury Grand Marquis 7.5L 1978, Engine Coolant Thermostat Housing 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...
    Direct OEM replacement for a proper fitEnsures reliable sealing performance
    $11.38
  • WVE® - Engine Coolant Temperature Sensor
    WVE®Engine Coolant Temperature Sensor
    0
    # mpn4692946175
    Mercury Grand Marquis 5.8L with California Emission 1978, Engine Coolant Temperature Sensor by WVE®. Terminal Quantity: 2. Connector Shape: Round. Terminal Type: Pin. Replace your worn-out or faulty component with this quality...
    Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile
    $12.63
  • Motorcraft® - Engine Coolant Radiator Cap
    Motorcraft®Engine Coolant Radiator Cap
    0
    # mpn122851983
    Mercury Grand Marquis 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,...
    Direct OEM replacementMeets strict Ford Motor Company standards
    $7.23
  • MotoRad® - Engine Coolant Safety Lever Radiator Cap
    MotoRad®Engine Coolant Safety Lever Radiator Cap
    0
    # mpn4652383189
    Mercury Grand Marquis 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...
    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
    # mpn4751532158
    Mercury Grand Marquis 7.5L 1978, Heavy Duty Engine Cooling Fan Clutch by USMW Professional Series®. Rotation: Clockwise. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit...
    Designed as a replacement for your worn-out fuel system partWill help optimize your vehicle’s performance and fuel efficiency
    $45.21
  • MotoRad® - Engine Coolant Thermostat Water Outlet
    MotoRad®Engine Coolant Thermostat Water Outlet
    0
    # 5738754070
    Mercury Grand Marquis 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...
    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
    # 5738997895
    Mercury Grand Marquis 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...
    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
    # 40675086
    Mercury Grand Marquis 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...
    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 Grand Marquis 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...
    High quality at an affordable priceExpertly made from premium materials
    $12.92
  • Stant® - Engine Coolant Radiator Cap
    Stant®Engine Coolant Radiator Cap
    1
    # 515784884
    Mercury Grand Marquis 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...
    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
    # mpn943786194
    Mercury Grand Marquis 5.8L / 6.6L 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...
    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
    # 86100325
    Mercury Grand Marquis 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...
    Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
    $63.81 - $65.63Save: 15%
    $54.24 - $55.78
  • GMB® - Engine Cooling Fan Clutch
    GMB®Engine Cooling Fan Clutch
    0
    # 2569220473
    Mercury Grand Marquis 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
    # 1374882929
    Mercury Grand Marquis 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
    $0.52
  • SKP® - Engine Coolant Radiator Cap
    SKP®Engine Coolant Radiator Cap
    0
    # mpn4933874109
    Mercury Grand Marquis 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
    # mpn5077882798
    Mercury Grand Marquis 5.8L / 6.6L 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...
    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
    # 2569243598
    Mercury Grand Marquis 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...
    Flat plate impeller design with 11.4 sq. in. of working surfaceTurns the fan 60-70% of the shaft speed when engaged
    $39.70 - $39.76
  • iD Select® - Engine Coolant Thermostat Housing Gasket
    iD Select®Engine Coolant Thermostat Housing Gasket
    0
    # 5739048414
    Mercury Grand Marquis 1978, Engine Coolant Thermostat Housing Gasket by iD Select®. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit,...
    Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value
    $1.00Save: 10%
    $0.90
  • MotoRad® - Engine Coolant Thermostat Housing Gasket
    MotoRad®Engine Coolant Thermostat Housing Gasket
    0
    # 5738926665
    Mercury Grand Marquis 1978, Engine Coolant Thermostat Housing Gasket by MotoRad®. MotoRad seals and gaskets are made from high quality materials suitable for resistance to high temperatures and engine coolant to maintain a superior,...
    Made of High quality materialsResistance to high tempertures
    $0.22 - $0.65
  • Apex Auto® - Engine Coolant Thermostat Housing Gasket
    Apex Auto®Engine Coolant Thermostat Housing Gasket
    0
    # mpn4517491984
    Mercury Grand Marquis 5.8L Windsor Engine 1978, Engine Coolant Thermostat Housing Gasket by Apex Auto®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling...
    Quick accurate delivery with excellent fill-rateExcellent inventory availability
    $1.23
  • Standard® - Engine Coolant Temperature Sender
    Standard®Engine Coolant Temperature Sender
    0
    # mpn632272194
    Mercury Grand Marquis 1978, Engine Coolant Temperature Sender by Standard®. With Gauge. Terminal Quantity: 1. Connector Shape: Round. Connector Gender: Male. Connector Quantity: 1. Terminal Type: Stud. Standard is to be the leading...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $18.17
  • Standard® - Engine Coolant Temperature Switch
    Standard®Engine Coolant Temperature Switch
    0
    # mpn632271293
    Mercury Grand Marquis without Automatic Temperature Control 1978, Engine Coolant Temperature Switch by Standard®. Terminal Quantity: 1. Connector Shape: Round. Connector Gender: Male. Connector Quantity: 1. Terminal Type: Stud. Standard...
    In production, all thermal switches are factory-calibrated to make electrical contact at the specified lower-temperature set pointStandard switches feature a robust design with high grade materials to meet the stringent demands of today's service professional
    $15.42
  • Standard® - Tru-Tech™ Engine Coolant Temperature Sender
    Standard®Tru-Tech™ Engine Coolant Temperature Sender
    0
    # mpn1423768
    Mercury Grand Marquis 1978, Tru-Tech™ Engine Coolant Temperature Sender by Standard®. Terminal Quantity: 1. Connector Shape: Round. Connector Gender: Male. Connector Quantity: 1. Terminal Type: Stud. With Gauge. Standard is to be the...
    The terminal is manufactured with high grade materialsThe housing is fabricated using polyamide resins
    $8.58
  • Standard® - Tru-Tech™ Engine Coolant Temperature Switch
    Standard®Tru-Tech™ Engine Coolant Temperature Switch
    0
    # mpn1387264
    Mercury Grand Marquis without Automatic Temperature Control 1978, Tru-Tech™ Engine Coolant Temperature Switch by Standard®. Terminal Quantity: 1. Connector Gender: Male. Terminal Type: Stud. Standard is to be the leading independent...
    OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
    $12.79




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