1981 Mercury Marquis Thermostats & Components

Show items:
Sort by:
Select Engine
  • Select Engine
  • 4.2L
  • 5.0L
  • 5.8L
    • (0 reviews)
      # 912050947
      Mercury Marquis 1981, 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 vehicle.
      Offer precise pressure controlEnsure the proper fit
      $2.21 - $2.47
    • (0 reviews)
      # mpn1417804434
      Mercury Marquis 1981, Engine Coolant Thermostat Housing by Dorman®. Position: Upper. Type: 60 Angle Degree. Bolt Hole Diameter: 0.313". Outlet Size: 1.41". Quantity: 2 Bolt Hole. Finish: Natural. Re-engineered to address common failure...
      Direct replacement for a proper fit every timeHoses slide on for easy installation
      $6.07
    • (0 reviews)
      # mpn136796
      Mercury Marquis 5.0L / 5.8L 1981, 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....
      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)
      # 71673020
      Mercury Marquis 1981, 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 come...
      Heavier-duty components and greater flow rates than standard-line thermostats.Designed to be OE-like.
      $2.67 - $5.89
    • (0 reviews)
      # 911947845
      Mercury Marquis 1981, Engine Coolant 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...
      Offer precise pressure controlEnsure the proper fit
      $1.31
    • (0 reviews)
      # 911924087
      Mercury Marquis 1981, Engine Coolant Thermostat 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...
      Heavy-duty quality for long lifeStainless steel or brass bridge and spring frame, channel-constructed for strength and rigidity
      $8.45 - $18.33
    • (0 reviews)
      # 1216345639
      Mercury Marquis 1981, Engine Coolant 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.
      $1.81
    • (0 reviews)
      # 1216345638
      Mercury Marquis 1981, Engine Coolant 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.
      $4.60 - $4.65
    • (0 reviews)
      # 1216345640
      Mercury Marquis 1981, Engine Coolant 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...
      Great design and functionMade from sturdy materials
      $2.69 - $2.83
    • (0 reviews)
      # 607520286
      Mercury Marquis 1981, Engine Coolant 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...
      Great design and functionMade from sturdy materials
      $4.51 - $4.97
    • (0 reviews)
      # 1216345641
      Mercury Marquis 1981, Engine Coolant Thermostat Housing Seal by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $1.05
    • (0 reviews)
      # mpn1786358
      Mercury Marquis 1981, Engine Coolant Thermostat Housing Gasket by Stant®. Hole Diameter: 1 13/16". Cut installation time by as much as 50% with Stat Lok® adhesive backed thermostat gaskets. They’ll hold the thermostat in place,...
      Gaskets are cut to specific application requirementsStat Lok® Gaskets have adhesive backs to aid installation
      $0.64
    • (0 reviews)
      # mpn4517491984
      Mercury Marquis 5.0L / 5.8L 1981, Engine Coolant Thermostat Housing O-Ring by Apex Auto®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this...
      Quick accurate delivery with excellent fill-rateExcellent inventory availability
      $0.65
    • (0 reviews)
      # 993510985
      Mercury Marquis 1981, 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 lock in...
      Exclusive, patented designHigh quality Stainless Steel and Copper construction
      $9.24 - $9.27
    • (0 reviews)
      # 1216621959
      Mercury Marquis 1981, 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 product...
      Made of stainless steelProvide increased flow
      $6.28
    • (0 reviews)
      # 911904937
      Mercury Marquis Base / Brougham 5.0L 1981, Performance Thermostat by Flex-a-Lite®. Flex-a-Lite Thermostats offer professional quality for superior protection over any thermostat on the market. Keeping your engine cool is pretty...
      High qualityDurable construction
      $16.38
    • (0 reviews)
      # 1216621958
      Mercury Marquis Legal for Race Use Only 1981, 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 it’s a...
      Designed to resist large variations of coolant pressure at high RPMOpens at correct temperature consistently regardless of engine RPM
      $16.20
    • (0 reviews)
      # 1216621956
      Mercury Marquis with Ford small block Windsor Engine 1981, 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 from...
      High quality at an affordable priceExpertly made from premium materials
      $33.18
    • (0 reviews)
      # mpn2009337155
      Mercury Marquis 1981, 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, long...
      Made of High quality materialsResistance to high tempertures
      $0.26
    • (0 reviews)
      # mpn1872274491
      Mercury Marquis 5.0L with Small Block 1981, Swivel Thermostat Housing by CVR Performance®. Finish: Black. Diameter: 1-1/2". This product is made of high-quality materials to serve you for years to come. Designed usig state-of-the-art...
      Built to match your exact requirementsMade from premium materials to endure years of abuse
      $96.56
    • (0 reviews)
      # mpn2973827387
      Mercury Marquis 4.2L / 5.0L 1981, Thermostat Housing with Heater Bypass Provision by Billet Specialties®. Finish: Black. To keep your engine cool and improve your vehicle's performance, this product is just the right solution....
      Buna N® O-rings for a positive sealO-ring seal eliminates the need for a gasket or sealant
      $99.95


    Popular Products



    1981 Mercury Marquis Models


    Low Prices Price match guarantee
    In-House Experts We know our products
    Guaranteed Fitment Always the correct part
    Easy Returns Quick & Hassle Free

    All manufacturer names, symbols, and descriptions, used in our images and text are used solely for identification purposes only. It is neither inferred nor implied that any item sold by CARiD.com is a product authorized by or in any way connected with any vehicle manufacturers displayed on this page.

    SECURE SHOPPING