1977 Mercury Monarch Radiator Fans, Clutches & Components

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    • (0 reviews)
      # mpn947117488
      Mercury Monarch 1977, Cooling Fan Controller Relay by Four Seasons®. Terminal Quantity: 2. Connector Shape: Rectangle. Connector Gender: Male. Radiator Mounted. Activated by radiator temp and/or A/C Clutch. Adjustable (140° - 220 °F)...
      Contains gaskets, o-rings, or seals to properly replace the productBrass Construction for Accurate Temperature Sensing
      $30.30
    • (0 reviews)
      # 231964212
      Mercury Monarch 1977, Electric Fan Kit 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 Four Seasons.
      Motors Built and Tested to Quality SpecificationsIncludes Mounting Kit
      $67.15 - $78.17
    • (0 reviews)
      # 845976096
      Mercury Monarch 1977, Auxiliary Engine Cooling Reversible Fan Kit by CompressorWorks®. CompressorWorks products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix...
      Made with the use of the latest technologiesGuaranteed to provide ultimate strength and durability
      $86.41 - $100.03
    • (0 reviews)
      # 846003000
      Mercury Monarch 1977, Standard Duty Engine Cooling Fan Clutch by CompressorWorks®. Type: Thermal. CompressorWorks products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...
      Made with the use of the latest technologiesGuaranteed to provide ultimate strength and durability
      $18.47 - $22.52
    • (0 reviews)
      # mpn2937079
      Mercury Monarch 3.3L / 4.1L 1977, Fan Spacer Kit 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...
      2-1/4" Length, 5/8" - 3/4" Pilot, 5/16"-18 and 5/16"-24 BoltsFor use with Hayden Swirl-Flexr and Semi-Flex fans
      $13.45
    • (0 reviews)
      # mpn2937079
      Mercury Monarch 3.3L / 4.1L 1977, Fan Spacer Kit 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...
      2-1/4" Length, 5/8" - 3/4" Pilot, 5/16"-18 and 5/16"-24 BoltsFor use with Hayden Swirl-Flexr and Semi-Flex fans
      $13.45
    • (0 reviews)
      # mpn2937079
      Mercury Monarch 3.3L / 4.1L 1977, Fan Spacer Kit 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...
      2-1/4" Length, 5/8" - 3/4" Pilot, 5/16"-18 and 5/16"-24 BoltsFor use with Hayden Swirl-Flexr and Semi-Flex fans
      $13.45
    • (0 reviews)
      # mpn2930410
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Non-Thermal 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...
      Designed, tested, and built by applicationOE performance, fit, and appearance
      $17.77
    • (0 reviews)
      # mpn2930410
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Non-Thermal 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...
      Designed, tested, and built by applicationOE performance, fit, and appearance
      $17.77
    • (0 reviews)
      # mpn2930410
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Non-Thermal 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...
      Designed, tested, and built by applicationOE performance, fit, and appearance
      $17.77
    • (0 reviews)
      # 365128743
      Mercury Monarch 1977, Standard Duty Thermal 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 running cool....
      Designed, tested, and built by applicationOE performance, fit, and appearance
      $26.12 - $27.26
    • (0 reviews)
      # mpn1733060
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Non-Thermal Fan Clutch by Flex-a-Lite®. The Fan Clutch is a component of the cooling system that varies the fan speed to meet the cooling needs of the engine. These fan clutches are manufactured...
      Low cost alternative to standard thermal clutchesSpins at about 30-60% of the water pump speed
      $47.71
    • (0 reviews)
      # mpn1733060
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Non-Thermal Fan Clutch by Flex-a-Lite®. The Fan Clutch is a component of the cooling system that varies the fan speed to meet the cooling needs of the engine. These fan clutches are manufactured...
      Low cost alternative to standard thermal clutchesSpins at about 30-60% of the water pump speed
      $47.71
    • (0 reviews)
      # mpn1733060
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Non-Thermal Fan Clutch by Flex-a-Lite®. The Fan Clutch is a component of the cooling system that varies the fan speed to meet the cooling needs of the engine. These fan clutches are manufactured...
      Low cost alternative to standard thermal clutchesSpins at about 30-60% of the water pump speed
      $47.71
    • (0 reviews)
      # 86930191
      Mercury Monarch 1977, Thermal Fan Clutch by Flex-a-Lite®. Rotation: Standard. The Fan Clutch is a component of the cooling system that varies the fan speed to meet the cooling needs of the engine. These fan clutches are manufactured to...
      Fan speed varies with temperature of the airWhen engaged provides maximum cooling
      $60.63
    • (0 reviews)
      # 365128749
      Mercury Monarch 1977, Standard Thermal Fan Clutch by Derale Performance®. This 7.25" standard thermal, aluminum bodied, CNC machined bolt on fan clutch. Derale Fan Clutches are designed with quality in mind. All product applications...
      Thermal fan clutch meets or exceeds OEM specificationsHigh quality, heavy duty bearing with high-temperature moly grease
      $34.61 - $39.29
    • (0 reviews)
      # mpn620633986
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Engine Cooling Fan Clutch by GMB®. Rotation: Clockwise. Thermal Fan Clutch. Standard Duty. GMB Fan Clutch assures the optimal quality through reliability based on GMB wide experience and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $21.50
    • (0 reviews)
      # mpn620633986
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Engine Cooling Fan Clutch by GMB®. Rotation: Clockwise. Thermal Fan Clutch. Standard Duty. GMB Fan Clutch assures the optimal quality through reliability based on GMB wide experience and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $21.50
    • (0 reviews)
      # mpn620633986
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Engine Cooling Fan Clutch by GMB®. Rotation: Clockwise. Thermal Fan Clutch. Standard Duty. GMB Fan Clutch assures the optimal quality through reliability based on GMB wide experience and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $21.50
    • (0 reviews)
      # mpn4487695114
      Mercury Monarch 1977, Coolant Temperature Sending Unit 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $4.36
    • (1 review)
      # 60695770
      Mercury Monarch 1977, 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
      $13.58 - $26.20
    • (0 reviews)
      # 60695739
      Mercury Monarch 1977, Rapid-Cool™ 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 blades. The fan...
      Reversible push/pull operationThin, aerodynamic profile for applications with limited space
      $60.67 - $64.04
    • (0 reviews)
      # mpn2942862
      Mercury Monarch 3.3L / 4.1L 1977, Semi-Flex™ Fan Blade by Hayden®. Diameter: 17". Rotation: Clockwise. Finish: Polished. Stainless Steel 6 Blades. Prevent your engine from overheating with this part. Manufactured from anodized...
      Low pitch design to reduce drag on the engineMade of high quality materials to ensure long service life
      $44.45
    • (0 reviews)
      # 86930184
      Mercury Monarch 1977, 400 Series™ Nylon Flex Belt Driven Fan by Flex-a-Lite®. Finish: Black. The fan has been tested and proven both on and off the track to ensure that it fully meets your expectations. The part has features a rigid...
      Standard rotation6 nylon blades
      $31.63
    • (0 reviews)
      # 81571377
      Mercury Monarch 1977, Black Magic Electric Fan by Flex-a-Lite®. With Control. Diameter: 15". Keep your engine cool and free up some extra horsepower and torque. The fan makes quicker cool downs, extended water pump life, improved A/C...
      Prevents your engine from overheatingProvides increased horsepower and torque
      $326.15 - $357.34
    • (0 reviews)
      # mpn1721314
      Mercury Monarch 3.3L / 4.1L 1977, Electra-Fan II Electric Fan by Flex-a-Lite®. With Adjustable Thermostat Controller. Diameter: 15". Keep your engine cool and free up some extra horsepower and torque. The fan makes quicker cool downs,...
      Prevents your engine from overheatingProvides increased horsepower and torque
      $280.50
    • (0 reviews)
      # 86930198
      Mercury Monarch 1977, Lo-Profile Direct Fit Single Electric Fan by Flex-a-Lite®. With Adjustable Thermostat Controller. Keep your engine cool and free up some extra horsepower and torque. The fan makes quicker cool downs, extended water...
      Prevents your engine from overheatingProvides increased horsepower and torque
      $208.34 - $208.35
    • (0 reviews)
      # 730641770
      Mercury Monarch 1977, O.E. Replacement Clutch Fan Blade by Flex-a-Lite®. Rotation: Clockwise. Finish: Silver. This product is made of high-quality materials to sere you for years to come. Designed using state-of-the-art technology and...
      High quality at an affordable priceExpertly made from premium materials
      $46.91 - $48.00
    • (0 reviews)
      # 730635795
      Mercury Monarch 1977, Stainless Steel Fan Blade by Flex-a-Lite®. Rotation: Clockwise. Material: Stainless Steel. Finish: Silver. This product is made of high-quality materials to sere you for years to come. Designed using...
      High quality at an affordable priceExpertly made from premium materials
      $61.53 - $62.26
    • (0 reviews)
      # 91098061
      Mercury Monarch 1977, Jetstreme I™ Low Profile Electric Fan by Maradyne®. Diameter: 12". CFM: 1155cfm. Current Draw: 7.2 Amp. Watt Motor: 130W. With S-Blade. Reversible rotation. Finish: Black. Sufficient for most 4-cylinder engines...
      Low profile allows for turbo applicationsReversible design for pusher or puller applications
      $171.44 - $235.26
    • (0 reviews)
      # 331294482
      Mercury Monarch 1977, Mach One™ 16" Electric Fan with MFA100 Control by Maradyne®. With MFA100 Control. Diameter: 16". CFM: 2160cfm. Current Draw: 18.0 Amp. Watt Motor: 225W. 16" Width x 17" Height. With Curved Blade. Puller. Finish:...
      Standard-profile design for most applicationsAll glass-filled nylon construction
      $286.64
    • (0 reviews)
      # 91098064
      Mercury Monarch 1977, Mach One™ 16" Electric Fan without Control by Maradyne®. Without Control. Diameter: 16". CFM: 2160cfm. Current Draw: 18.0 Amp. Watt Motor: 225W. 16" Width x 17" Height. With Curved Blade. Puller. Finish: Black....
      Standard-profile design for most applicationsAll glass-filled nylon construction
      $222.84
    • (0 reviews)
      # 86930194
      Mercury Monarch 1977, Belt Driven Fan Spacer Kit by Flex-a-Lite®. 5/16" with NF Bolts. This sturdy aluminum part will stop your Flex-a-lite fan from wobbling due to misalignment. Flex-a-lite fan spacers have a large bearing surface and...
      Converts a variety of hub pilot diameters to a 5/8" pilotEnsures the necessary spacing from the radiator
      $17.47 - $20.98
    • (0 reviews)
      # mpn1733035
      Mercury Monarch 1977, Electric Fan Mounting Hardware by Flex-a-Lite®. Flex-a-lite mounting kit is designed for mounting a transmission cooler, engine oil cooler, or electric fan. Includes mounting straps, retaining nuts, and all...
      Sold as a kitDirect fit
      $12.57
    • (0 reviews)
      # 231964269
      Mercury Monarch 1977, Thermal 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 and fix it...
      OE Performance, Fit, and AppearancePrecision Machined
      $26.86 - $27.70
    • (0 reviews)
      # 86100381
      Mercury Monarch 1977, 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
      $42.59
    • (0 reviews)
      # mpn943786194
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Non-Thermal 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 Performance, Fit, and AppearancePrecision Machined
      $21.20
    • (0 reviews)
      # mpn943786194
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Non-Thermal 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 Performance, Fit, and AppearancePrecision Machined
      $21.20
    • (0 reviews)
      # mpn943786194
      Mercury Monarch 4.1L / 5.0L / 5.8L 1977, Non-Thermal 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 Performance, Fit, and AppearancePrecision Machined
      $21.20
    • (0 reviews)
      # 60695762
      Mercury Monarch 3.3L / 4.1L 1977, Swirl-Flex™ Fan Blade by Hayden®. Rotation: Standard. Restore proper performance of your fan with this product. Manufactured from stainless steel, these blades flatten out completely at high RPM to...
      Flattens out completely at high RPM to reduce drag on the engineEnsures dependable and lasting operation
      $41.03 - $56.82


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