1984 Mercury Grand Marquis Performance Engine Cooling

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    • (2 reviews)
      # 102218746
      Mercury Grand Marquis 5.0L 1984, Thermocap™ Radiator Cap by Mr. Gasket®. OEM Replacement. With Thermometer Built In. 16 PSI. Keeping your engine cool is pretty important, so Mr. Gasket has a full line of cooling system accessories....
      Brilliant triple-chrome platingPrevent boilovers
      +1
      $32.43 - $37.53
    • (0 reviews)
      # 86929618
      Mercury Grand Marquis 5.0L 1984, 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,...
      Prevents your engine from overheatingProvides increased horsepower and torque
      $208.34 - $208.35
    • (0 reviews)
      # 566414902
      Mercury Grand Marquis Windsor Engine with Ford Small Block Engine 1984, 300 Series High Flow Electric Water Pump by Meziere Enterprises®. Flow Rate: 55 GPM. Performance, sophistication and durability are by no means all the benefits...
      Suitable for street or drag strip use – 3000+ hour life expectancyHigh flow design provides 55 gallons per minute free flow rating
      +2
      $451.00 - $701.56
    • (0 reviews)
      # mpn2930419
      Mercury Grand Marquis 1984, Rapid-Cool™ Reversible Fan Kit by Hayden®. Diameter: 14". Current Draw: 11.5. 3 5/8" Depth. This product can be used for either primary or add-on cooling. The Hayden Rapid-Cool fan features a thin,...
      Reversible push/pull operationThin, aerodynamic profile for applications with limited space
      $64.31
    • (0 reviews)
      # 730637597
      Mercury Grand Marquis 5.0L 1984, O.E. Replacement Clutch Fan Blade by Flex-a-Lite®. Diameter: 18 1/4". Finish: Silver. This product is made of high-quality materials to sere you for years to come. Designed using state-of-the-art...
      High quality at an affordable priceExpertly made from premium materials
      $45.68 - $48.00
    • (0 reviews)
      # 730625850
      Mercury Grand Marquis 5.0L 1984, Stainless Steel Fan Blade by Flex-a-Lite®. Diameter: 18 1/4". 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
      $62.26 - $74.00
    • (0 reviews)
      # mpn1711366
      Mercury Grand Marquis 5.8L 1984, X-Treme Direct Fit S-Blade Electric Fan by Flex-a-Lite®. With Variable Speed Controller. Diameter: 12 1/8". Size: 26 1/4" x 15 1/2" x 4". With Full Shroud Measuring 26 1/4" x 15 1/2". Replace your old...
      Maximizes horsepower and torqueOptimizes gas mileage
      $486.93
    • (0 reviews)
      # 81570547
      Mercury Grand Marquis 5.0L 1984, 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,...
      Prevents your engine from overheatingProvides increased horsepower and torque
      $326.15 - $357.34
    • (0 reviews)
      # 91097882
      Mercury Grand Marquis Colony Park 1984, 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...
      Low profile allows for turbo applicationsReversible design for pusher or puller applications
      $165.64 - $227.30
    • (0 reviews)
      # mpn1852085
      Mercury Grand Marquis Colony Park 1984, 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...
      Standard-profile design for most applicationsAll glass-filled nylon construction
      $276.95
    • (0 reviews)
      # mpn1852084
      Mercury Grand Marquis Colony Park 1984, 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....
      Standard-profile design for most applicationsAll glass-filled nylon construction
      $215.30
    • (0 reviews)
      # mpn1724525
      Mercury Grand Marquis 5.0L 1984, 400 Series™ Nylon Flex Belt Driven Fan by Flex-a-Lite®. Diameter: 18". Finish: Black. The fan has been tested and proven both on and off the track to ensure that it fully meets your expectations. The...
      Standard rotation6 nylon blades
      $31.63
    • (0 reviews)
      # mpn477871327
      Mercury Grand Marquis 5.0L 1984, Tuff Stuff Engine Coolant Standard Rotation Water Pump by March Performance®. Finish: Chrome. Rotation: Standard. This product by March Performance is manufactured with a unique blend of durability and...
      Precisely engineered for perfect fit and functionMade with a unique blend of durability and style
      $214.72
    • (0 reviews)
      # mpn4242890518
      Mercury Grand Marquis 1984, High Flow Electric Racing Water Pump by PRW®. Finish: Clear. The new Performance Quotient High Flow Billet Aluminum Electric Water Pumps are designed to equalize the flow into both sides of the engine with...
      Made to keep your engine running coolImproves your vehicle's performance
      $353.24
    • (0 reviews)
      # 901422006
      Mercury Grand Marquis TBI 1984, Water Pump by PRW®. The electric water pump was designed to alleviate the power drag produced by conventional pulley drive units. A heavy duty electric motor, turning at approximately 1,500 rpm, is more...
      LightweightSuitable for Street or Strip
      $211.05 - $256.05
    • (0 reviews)
      # 898314004
      Mercury Grand Marquis 5.0L 1984, Aluminum Electric Water Pump by Racing Power Company®. High flow pumps. Stainless hardware included. This top-grade product is expertly made in compliance with stringent industry standards to offer a...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      +1
      $145.65 - $248.70
    • (0 reviews)
      # 898290213
      Mercury Grand Marquis 5.0L 1984, Mechanical Aluminum Water Pump by Racing Power Company®. Left Inlet, Block to Hub 5.700". High flow pumps. Up to 50 gpm with billet and 35 gpm with cast. Stainless hardware included. This top-grade...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $92.77 - $112.70
    • (0 reviews)
      # 983919599
      Mercury Grand Marquis 1984, Engine Water Pump by Eastern Industries®. All of Eastern Industries water pumps are engineered from original equipment samples and specifications. In many instances the bearing and seal are upgraded which...
      Original Equipment QualityContinuous Improvement
      $29.65 - $30.79
    • (0 reviews)
      # 912052645
      Mercury Grand Marquis 5.0L Legal for Race Use Only 1984, High Performance Thermostat by Mr. Gasket®. Diameter: 2.12". Keeping your engine cool is pretty important, so Mr. Gasket has a full line of cooling system accessories. Whether...
      Designed to resist large variations of coolant pressure at high RPMOpens at correct temperature consistently regardless of engine RPM
      $16.20
    • (0 reviews)
      # 911907326
      Mercury Grand Marquis with Ford small block Windsor Engine 1984, High Performance Thermostat by Stewart Components®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured...
      High quality at an affordable priceExpertly made from premium materials
      $33.18
    • (0 reviews)
      # 911940792
      Mercury Grand Marquis 1984, Fail Safe Series™ Engine Coolant Thermostat by MotoRad®. Fail-Safe Thermostats offer premium, patented technology for superior protection over any thermostat on the market. Only Fail-Safe is designed to...
      Exclusive, patented designHigh quality Stainless Steel and Copper construction
      $9.58 - $9.85
    • (0 reviews)
      # 993516988
      Mercury Grand Marquis 1984, High-Flow Series™ Engine Coolant Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality...
      Made of stainless steelProvide increased flow
      $6.94
    • (0 reviews)
      # mpn1091702
      Mercury Grand Marquis TBI 1984, Circulating Tank Heater by Kats Heaters®. Material: Aluminum Casting. Fluid Capacity: 26-40 quart. 12.5 Amps, 1500 Watts, 120V. The circulating tank heater is designed to keep the coolant in your engine...
      Thermostatically controlled 135° - 175°Uses versatile strap type mounting
      $76.13
    • (0 reviews)
      # 898316492
      Mercury Grand Marquis 5.0L 1984, Chrome Steel Water Neck by Racing Power Company®. 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...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $13.57 - $13.61
    • (0 reviews)
      # mpn358727066
      Mercury Grand Marquis 5.0L Early Model 1984, Water Neck by Trans-Dapt®. 1 Piece. Water Neck made from Zinc alloy. (O-Ring Seal). CHEVY ORANGE Powder Coated. Perfect for accurate restoration of older Chevy vehicles, or to give a new look...
      Built to match your exact requirementsHigh quality you can rely on
      $45.44
    • (0 reviews)
      # mpn2973827387
      Mercury Grand Marquis 5.0L 1984, Thermostat Housing with Heater Bypass Provision by Billet Specialties®. 1 Piece. Billet Specialties thermostat housings are precision machined from 6061-T6 billet aluminum and feature a polished or black...
      Buna N® O-rings for a positive sealO-ring seal eliminates the need for a gasket or sealant
      $99.95
    • (0 reviews)
      # 86929603
      Mercury Grand Marquis 5.0L 1984, 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...
      Converts a variety of hub pilot diameters to a 5/8" pilotEnsures the necessary spacing from the radiator
      $17.47 - $20.98
    • (0 reviews)
      # 566576738
      Mercury Grand Marquis Windsor Engine with Ford Small Block Engine 1984, 300 Series Electric Pump Center Section by Meziere Enterprises®. Performance, sophistication and durability are by no means all the benefits you'll get if you...
      Powerful and efficient designExtended service life
      +1
      $275.61 - $330.00
    • (0 reviews)
      # 901533015
      Mercury Grand Marquis TBI 1984, Industries Water Pump Elbow by PRW®. Location: to Block. Designed utilizing the latest technology, this product by PRW Industries features premium quality and will perform better than advertised. Perfect...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $33.75 - $39.15
    • (0 reviews)
      # 901458996
      Mercury Grand Marquis TBI 1984, Water Pump Block-Off Plate by PRW®. Designed utilizing the latest technology, this product by PRW Industries features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $38.25
    • (0 reviews)
      # mpn4498739842
      Mercury Grand Marquis 5.0L 1984, Water Neck O-Rings by Racing Power Company®. For R9440. 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...
      One-of-a-kind style will help customize your autoWill deliver unparalleled levels of durability
      $1.53
    • (0 reviews)
      # mpn1733035
      Mercury Grand Marquis Base / LS 5.0L 1984, 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...
      Sold as a kitDirect fit
      $12.57
    • (0 reviews)
      # mpn4478761596
      Mercury Grand Marquis Windsor Engine with Ford Small Block Engine 1984, Water Pump O-Ring's by Meziere Enterprises®. Performance, sophistication and durability are by no means all the benefits you'll get if you purchase this product by...
      Powerful and efficient designExtended service life
      $2.00
    • (0 reviews)
      # mpn2973827419
      Mercury Grand Marquis 5.0L 1984, Thermostat Housing O-Ring Kit by Billet Specialties®. 2 Pieces. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...
      High quality at an affordable priceExpertly made from premium materials
      $5.95
    • (0 reviews)
      # mpn943785221
      Mercury Grand Marquis 1984, 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...
      Motors Built and Tested to Quality SpecificationsIncludes Mounting Kit
      $73.06
    • (0 reviews)
      # 566559675
      Mercury Grand Marquis 1984, Replacement Water Pump by GMB®. Rotation: Standard. GMB proudly announces that all principal component parts are designed, manufactured and tested in house, such as bearings, impellers, mechanical seal kits...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $21.68 - $46.65
    • (0 reviews)
      # 20229086
      Mercury Grand Marquis 1984, Engine Coolant Water Pump by Pronto®. This water pump is built in an ISO (International Organization for Standardization) certified factory to meet standards of fit, form, and operation. It features premium...
      Sturdy internal structure sets Pronto Water Pumps apart from the competition and delivers dependable and durable performanceCastings are designed and machined for precise fit of all components and maximum cooling capacity
      $25.37 - $25.88
    • (0 reviews)
      # 901602996
      Mercury Grand Marquis 5.0L 1984, Standard Water Pump by Gates®. Gates water pumps are recognized in the industry for their durability and superior quality. Every Gates water pump is constructed with premium alloy materials and a 100%...
      Great design and functionMade from sturdy materials
      $23.06 - $25.27
    • (0 reviews)
      # mpn1646069
      Mercury Grand Marquis without Heavy Duty Towing Package / without Police Package / without Taxi Package 1984, Engine Coolant Water Pump by Airtex®. Type: Standard Version. This water pump is engineered by the experts at Airtex to keep...
      Precision-ground and permanently lubricated unitized bearing assembliesUnitized seals for superior protection against leakage and contamination
      $23.23
    • (0 reviews)
      # 566588884
      Mercury Grand Marquis 1984, Water Pump by Cardone®. Number of Hose Connectors: 3. Impeller Vane Quantity: 6. Cardone 100% New Water Pumps are backed by over 44 years of making the highest quality remanufactured parts in the industry....
      100% leak testing and hub-pull testing ensures reliable performance.O.E.-supplied NEW unitized seals ensure long-lasting, trouble-free performance.
      $17.89 - $23.23
    • (0 reviews)
      # 607634613
      Mercury Grand Marquis 1984, Professional™ Engine Coolant Thermostat by ACDelco®. ACDelco has a Thermostat and Cap for most GM vehicles on the road today. Engineered to work with your car, truck or SUV, ACDelco Professional Thermostats...
      Heavier-duty components and greater flow rates than standard-line thermostats.Designed to be OE-like.
      $2.67 - $5.89
    • (0 reviews)
      # mpn136796
      Mercury Grand Marquis 1984, Engine Coolant Thermostat with Gasket/Seal and without Housing by Beck Arnley®. Temperature: 192 Degree. For one hundred years, Beck Arnley has been providing premium OE quality parts for vehicles. Beginning...
      Features a standard Jiggle Valve where required by OE and has a long stroke for maximum coolingSelf Cleaning and controls the flow of coolant through radiator regulating heat dissipation and allows engine to reach operating temp as quickly as possible
      $6.11
    • (0 reviews)
      # 607479334
      Mercury Grand Marquis 1984, Economy Thermostat by Gates®. Depth from Flange: 0.78". Flange Diameter: 2.125". Height from Flange: 0.88". If you want to keep your vehicle safe on the road for many years to come, go with this Gates...
      Great design and functionMade from sturdy materials
      $2.69 - $2.83
    • (0 reviews)
      # 607583465
      Mercury Grand Marquis 1984, Premium Thermostat by Gates®. Depth from Flange: 0.91". Flange Diameter: 2.125". Height from Flange: 0.91". If you want to keep your vehicle safe on the road for many years to come, go with this Gates...
      Great design and functionMade from sturdy materials
      $4.51 - $4.59
    • (0 reviews)
      # mpn122849045
      Mercury Grand Marquis 5.0L 1984, Thermostat by Motorcraft®. Temperature: 190 Degree. With today’s complicated automotive engines, it is crucial to have the right cooling system components for accurate temperature control, pressure...
      Heavy-duty quality for long lifeStainless steel or brass bridge and spring frame, channel-constructed for strength and rigidity
      $10.22
    • (0 reviews)
      # 906552972
      Mercury Grand Marquis 1984, Economy Thermostat without Check Valves and Seal by Stant®. Without Jiggle Pin. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC®...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $3.22
    • (0 reviews)
      # 101839677
      Mercury Grand Marquis 1984, Premium Thermostat without Check Valves and Seal by Stant®. Without Jiggle Pin. Get fast engine warm-up and dependable engine operating temperature with a Stant thermostat. Stant’s exclusive ELAC®...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $7.62 - $7.71
    • (0 reviews)
      # 911814109
      Mercury Grand Marquis 1984, Economy Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality product used in their vehicle.
      Offer precise pressure controlEnsure the proper fit
      $1.37
    • (0 reviews)
      # 911944954
      Mercury Grand Marquis 1984, Engine Coolant Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality product used in their...
      Offer precise pressure controlEnsure the proper fit
      $2.43 - $2.53
    • (0 reviews)
      # mpn888406917
      Mercury Grand Marquis 1984, Professional™ Molded Engine Coolant Bypass Hose by ACDelco®. Inside Diameter 1: 0.61". Inside Diameter 2: 0.75". Number of Branches: 0. Contains Spring: No. Construction: Molded Assembly. Finish: Black....
      Protective sleeves help duplicate GM Original Equipment for proper fit and function.Designed to resist electrochemical degradation for durability.
      $9.26
    • (0 reviews)
      # 86156529
      Mercury Grand Marquis 1984, Professional™ Radiator Coolant Hose by ACDelco®. Number of Branches: 0. Composed of specially blended materials to deliver long-life performance, ACDelco Professional Automotive Coolant Hoses are designed...
      Protective sleeves help duplicate GM Original Equipment for proper fit and function.Designed to resist electrochemical degradation for durability.
      $9.87 - $14.38
    • (0 reviews)
      # 450977446
      Mercury Grand Marquis 1984, Radiator Molded Coolant Hose by Gates®. Number of Branches: 0. Contains Spring: No. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the...
      Heat and ozone resistant coverRe-engineered materials resist vacuum collapse, this reduces the need for internal springs in many applications
      $6.68 - $11.81
    • (0 reviews)
      # 49117074
      Mercury Grand Marquis 1984, Standard Radiator Coolant Flexible Hose by Gates®. Position: Upper. 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...
      Great design and functionMade from sturdy materials
      $10.23 - $12.20
    • (0 reviews)
      # 163479388
      Mercury Grand Marquis 1984, 90 Degree Molded Coolant Hose by Dayco®. Centerline Length: 36". Inside Diameter 1: 3/4". Inside Diameter 2: 3/4". Hose Type: Single I.D. Hose. Contains Heat Shield: No. Contains Protective Sleeve: No....
      Constructed with a molded 90 Degree elbow to fit the engine compartment configurationOE quality and performance at an affordable price
      $12.03
    • (0 reviews)
      # 588964676
      Mercury Grand Marquis 1984, Curved Radiator Hose by Dayco®. Hose Type: Dual I.D. Hose. Contains Heat Shield: No. Contains Protective Sleeve: No. Replace your cracked, spongy, worn out, or damaged radiator hose with this Dayco product...
      Designed as the OE replacementOE quality and performance at an affordable price
      $6.30 - $11.25
    • (0 reviews)
      # 588734944
      Mercury Grand Marquis 1984, Elite™ Molded Radiator Hose by Continental® ContiTech™. Molded. Keep your engine cool with top-notch Continental ContiTech cooling products. They’ll restore the cooling system operation to ensure a long...
      An excellent replacement for your old or malfunctioning cooling partDesigned to restore your vehicle’s performance and reliability
      $9.81 - $13.27
    • (0 reviews)
      # mpn132490039
      Mercury Grand Marquis 1984, Coolant Bypass Hose by Motorcraft®. With today’s complicated automotive engines, it is crucial to have the right cooling system components for accurate temperature control, pressure relief, and gasket...
      Direct OEM replacementMeets strict Ford Motor Company standards
      $8.14
    • (0 reviews)
      # mpn282119
      Mercury Grand Marquis without Tow Package without Heavy Duty Cooling System 1984, Radiator by Replace®. The radiator contains a series of small tubes through which coolant flows from the engine. A network of fins surrounds the tubes....
      Same quality as OE for less moneyDesigned with the latest software and manufactured with modern tooling
      $129.09
    • (0 reviews)
      # 22846984
      Mercury Grand Marquis 1984, Radiator by Spectra Premium®. The radiator is a heat exchanger that transfers heat from your engine to the air flowing through the fins. If it’s damaged your engine can overheat. Before you end up with...
      Highly trained in-house staff of engineers & designersAll models are validated for fit, form, and function before released into the market
      $95.66 - $237.81
    • (0 reviews)
      # 22128828
      Mercury Grand Marquis 1984, Radiator by APDI®. Outlet: 1 1/2". Row quantity: 1. Construction: Plastic Tank Aluminum. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine...
      Same quality as OE for less moneyDesigned with the latest software and manufactured with modern tooling
      $98.62 - $221.41




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    1984 Mercury Grand Marquis Models
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