1966 Checker Marathon Performance Thermostats

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    • (0 reviews)
      # 129194303
      Checker Marathon 1966, 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 important, so Flex-a-Lite...
      High qualityDurable construction
      $16.38
    • (0 reviews)
      # 102054147
      Checker Marathon 3.8L Legal for Race Use Only 1966, 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)
      # 607923375
      Checker Marathon 1966, 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
      $9.58 - $9.63
    • (0 reviews)
      # 608053692
      Checker Marathon 1966, 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)
      # 608049697
      Checker Marathon 4.6L / 5.3L 1966, Coolant Thermostat Housing by Proform®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality materials, it will...
      Carefully designed to improve the performance of your vehicleCrafted from first-rate materials
      $15.09 - $18.22
    • (0 reviews)
      # 492037625
      Checker Marathon 4.6L / 5.3L 1966, Officially Licensed GM Coolant Thermostat Housing by Proform®. To keep your engine cool and improve your vehicle's performance, this product is just the right solution. Manufactured from high-quality...
      Officially Licensed GM ProductsCarefully designed to improve the performance of your vehicle
      $22.83 - $23.32
    • (0 reviews)
      # mpn4468246711
      Checker Marathon 1966, 0.47" Fiber Engine Coolant Thermostat Gasket by Cometic Gasket®. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $2.17
    • (0 reviews)
      # 95266345
      Checker Marathon 1966, 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.
      $2.07 - $4.55
    • (0 reviews)
      # 100306327
      Checker Marathon 1966, 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 product....
      Great design and functionMade from sturdy materials
      $2.98
    • (0 reviews)
      # 607527458
      Checker Marathon 1966, Engine Coolant OE Type Thermostat by Gates®. Depth from Flange: 0.78". Flange Diameter: 2.125". Height from Flange: 0.8". 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
      $3.48 - $3.51
    • (0 reviews)
      # 607621401
      Checker Marathon 1966, 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 product....
      Great design and functionMade from sturdy materials
      $4.71 - $5.65
    • (0 reviews)
      # 607632445
      Checker Marathon 1966, 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® Thermostat...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $3.27
    • (0 reviews)
      # 607599525
      Checker Marathon 1966, OE Type Thermostat without Gaskets, Check Valves and Seal by Stant®. Without Installation Tool and Jiggle Pin. OE Quality. Get fast engine warm-up and dependable engine operating temperature with a Stant...
      Quality construction ensures exact fit and prolonged service life.Stainless steel bridge with channel-design for strength and rigidity.
      $5.58 - $5.88
    • (0 reviews)
      # 101774723
      Checker Marathon 1966, 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® Thermostat...
      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)
      # 608131575
      Checker Marathon 1966, 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)
      # 107542967
      Checker Marathon 1966, 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)
      # mpn1296826216
      Checker Marathon 3.8L 1966, Coolant Thermostat Housing by Dorman®. Type: 180 Angle Degree. Bolt Hole Diameter: 0.313". Outlet Size: 1.438". Quantity: 2 Bolt Hole. Finish: Natural. Re-engineered to address common failure points in the...
      Direct replacement for a proper fit every timeHoses slide on for easy installation
      $7.78
    • (0 reviews)
      # mpn869340705
      Checker Marathon 1966, Professional™ Engine Coolant Thermostat Housing Gasket by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $0.34
    • (0 reviews)
      # 761816411
      Checker Marathon 1966, 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 engineering...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $1.05 - $1.06
    • (0 reviews)
      # mpn589686
      Checker Marathon 3.8L 1966, Engine Coolant Thermostat Housing Gasket by Victor Reinz®. Use 1 per Car. Housing to Head. Water Pump Mounting Gasket. OEM Standard. Material: Paper. Location: Housing to Head. Increase the life of your...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $0.69
    • (1 review)
      # mpn1903251488
      Checker Marathon 1966, Thermostat Housing Gasket by Stant®. Hole Diameter: 1 27/32". Cut installation time by as much as 50% with Stat Lok® adhesive backed thermostat gaskets. They’ll hold the thermostat in place, leaving your hands...
      Gaskets are cut to specific application requirementsStat Lok® Gaskets have adhesive backs to aid installation
      $1.12
    • (0 reviews)
      # mpn2009337112
      Checker Marathon 1966, 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 lasting seal.
      Made of High quality materialsResistance to high tempertures
      $0.24


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    1966 Checker Marathon Thermostats Reviews

    Average rating:  5  5 - 1 review
    4.8 of 5
    Great Product
    Good coolant for a good price.
    CPosted by Chris (Lakeville, MN) / April 9, 2017
    Was this review helpful for you? Yes

    1966 Checker Marathon Models
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