1966 Checker Marathon Engine Cooling Parts

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Keep Your 1966 Checker Marathon in Top Shape with Quality Engine Cooling Parts

Whether you’re repairing or upgrading your Engine Cooling Part, using high-quality parts is key to keeping your 1966 Checker Marathon looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Thermostat and Water Outlet Gaskets, Water Pump Gaskets, and Radiator Caps. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Engine Cooling Parts from Trusted Brands

Looking for a reliable Engine Cooling Part? We’ve got you covered with options from brands you know and trust like Carquest Premium and Felpro. For example, Carquest Premium Engine Cooling Parts start at just $10.99 with an average 4.5 star rating. Felpro offer similar pricing and quality, backed by strong customer feedback. With over 2,758 reviews and a solid 4.7 star average, you can shop with confidence knowing other Checker Marathon owners approve.

Competitive Prices and Extensive Inventory

The average price for a 1966 Checker Marathon Engine Cooling Part at Advance Auto Parts is around $55.84, with a range that starts at $1.99 and goes up to $384.99. With 38 options in stock from 8 trusted brands, finding the right fit is easy. Popular picks like Felpro Engine Water Pump Gasket, 5152, Carquest Standard Thermostat: 180 Degrees, 13358, and Motorad UltraStats UltraStat Thermostat: 195 Degrees, 5200-195 start at just $4.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Engine Cooling Part, don’t forget to check out other key components like Air Conditioning Parts. At Advance Auto Parts, we’re here to help you keep your 1966 Checker Marathon in peak condition, inside and out.

Find Your Specific 1966 Checker Marathon Engine Cooling Parts

Looking for the perfect Engine Cooling Part for your 1966 Checker Marathon? You’re in the right place. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Engine Cooling Parts, ensuring durability and a precise fit for your Checker Marathon. Whether you’re driving a 1966 model or another popular model year like 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, and 1982, we’ve got you covered. Purchasing Engine Cooling Parts from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Engine Cooling Parts that fit your vehicle.

Essential 1966 Checker Marathon Engine Cooling Parts

Carquest Premium – Carquest Engine Cooling Fan Module, ACC1313 (Part No.ACC1313)

Carquest Engine Cooling Fan Module, ACC1313

from

$99.99
All modern vehicles consist of several independent operating systems controlled by a main system processor with independent sub-processors. The sub-processors provide class 2 serial information data to the main processor while handling the operation of the system and carry the circuit load to protect the main operating system. When replacing any level processor programming may be needed to enter the unit into the vehicles main operating system.
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Carquest Premium – Carquest Universal Fan Clutch – Non-Thermal, 211011 (Part No.211011)

Carquest Universal Fan Clutch - Non-Thermal, 211011

from

$52.99
Please note: Advance Auto Parts is proud to carry comparable exact-fit parts from multiple vendors, as such, the item you receive may be one of two quality brands. Both brands meet the same fitment requirements and are equal in their performance and specifications. The fan clutch is the component of the cooling system that varies the fan speed to meet the cooling needs of the engine. The fan clutch provides high airflow volume and, by only operating the fan as needed, promotes good fuel economy. Carquest fan clutches are designed to meet OE performance specifications.
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Edelbrock – "Edelbrock Competition Water Pump for Small-Block – 3/8"" NPT Pipe Aux Outlet, 8817" (Part No.8817)

"Edelbrock Competition Water Pump for Small-Block - 3/8"" NPT Pipe Aux Outlet, 8817"

from

$379.99
For circle track and endurance racing engines. Black anodized finish with 0.10 inch thicker rear cover. Impeller is larger than others for max pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of black with in 1 piece. Only flows in one-direction for optimum efficiency.
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Edelbrock – Edelbrock Water Pump Small-Block Victor Pro, 8819 (Part No.8819)

Edelbrock Water Pump Small-Block Victor Pro, 8819

from

$384.99
For circle track and endurance racing engines. Black anodized finish with 0.10 inch thicker rear cover. Impeller is larger than others for max pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block with in 1 piece. Only flows in one-direction for optimum efficiency.
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Felpro – Felpro Engine Water Pump Gasket, 13032 (Part No.13032)

Felpro Engine Water Pump Gasket, 13032

from

$3.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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(6 reviews)
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Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T3111 (Part No.T3111)

Carquest Engine Water Pump: New, Gasket/Seals Included, T3111

from

$76.99
Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.
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(4 reviews)
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Carquest Premium – Carquest Engine Water Pump_New, T3061 (Part No.T3061)

Carquest Engine Water Pump_New, T3061

from

$54.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.
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(23 reviews)
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Carquest Premium – Carquest Coolant Housing/Water Outlet: Includes Gasket, CH4841 (Part No.CH4841)

Carquest Coolant Housing/Water Outlet: Includes Gasket, CH4841

from

$26.99
Carquest Premium Coolant Housings are manufactured with OEM quality materials and safety standards by an OE Supplier. This housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.
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Carquest Premium – Carquest Coolant Housing/Water Outlet: Gasket Included, 84852 (Part No.84852)

Carquest Coolant Housing/Water Outlet: Gasket Included, 84852

from

$26.99
We are proud to offer this Carquest product line: Carquest Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.
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Motorad – Motorad Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, 195 Degrees, 4841KT (Part No.4841KT)

Motorad Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, 195 Degrees, 4841KT

from

$31.99
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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Motorad UltraStats – Motorad UltraStats UltraStat Thermostat: 195 Degrees, 5200-195 (Part No.5200-195)

Motorad UltraStats UltraStat Thermostat: 195 Degrees, 5200-195

from

$19.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.
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Carquest Premium – Carquest Radiator Cap Tester Adapter, 12552 (Part No.12552)

Carquest Radiator Cap Tester Adapter, 12552

from

$14.99
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.
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Carquest Premium – Carquest Radiator Cap: 13 PSI, 10229 (Part No.10229)

Carquest Radiator Cap: 13 PSI, 10229

from

$10.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
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(51 reviews)
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Carquest Premium – Carquest Radiator Cap: 13 PSI, 10329 (Part No.10329)

Carquest Radiator Cap: 13 PSI, 10329

from

$10.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
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(48 reviews)
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Felpro – Felpro Engine Water Pump Gasket, 6584 (Part No.6584)

Felpro Engine Water Pump Gasket, 6584

from

$2.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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(2 reviews)
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Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-13983-00 (Part No.71-13983-00)

Victor Reinz Engine Water Pump Gasket, 71-13983-00

from

$2.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Felpro – Felpro Engine Coolant Outlet Gasket, 35562 T (Part No.35562 T)

Felpro Engine Coolant Outlet Gasket, 35562 T

from

$20.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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(14 reviews)
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Stant – Stant Thermostat Gasket (Sold by each), 20800 (Part No.20800)

Stant Thermostat Gasket (Sold by each), 20800

from

$0.49
Stant Thermostat Gasket (Sold by each), 20800.
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Spectre – Spectre Chrome Water Neck Olds, 4733 (Part No.4733)

Spectre Chrome Water Neck Olds, 4733

from

$26.99
Spectre’s Oldsmobile V8 water neck fits Oldsmobile 330, 350, 425 and 455 engines. This water neck has been designed around the OEM specifications and has a chrome plated finish for a lasting look that fits great. This water neck has an additional by-pass hose connection and includes the bolts.
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Carquest Premium – Carquest Coolant Housing/Water Outlet: Includes Gasket and Plugs, CH4852 (Part No.CH4852)

Carquest Coolant Housing/Water Outlet: Includes Gasket and Plugs, CH4852

from

$23.99
Carquest Premium Coolant Housings are manufactured with OEM quality materials and safety standards by an OE Supplier. This housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.
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Carquest Premium – Carquest Standard Thermostat: 160 Degrees, 13356 (Part No.13356)

Carquest Standard Thermostat: 160 Degrees, 13356

from

$12.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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(25 reviews)
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Felpro – Felpro Engine Coolant Thermostat Housing Gasket, 13224 (Part No.13224)

Felpro Engine Coolant Thermostat Housing Gasket, 13224

from

$2.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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(1 reviews)
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Motorad – Motorad Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, 195 Degrees, 4832KT (Part No.4832KT)

Motorad Engine Coolant Thermostat Housing Assembly Thermostat: With Gasket, 195 Degrees, 4832KT

from

$24.99
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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Dorman – Dorman Coolant Housing/Water Outlet: with Housing and Gasket, 45 Degree Neck Angle, 902-2030 (Part No.902-2030)

Dorman Coolant Housing/Water Outlet: with Housing and Gasket, 45 Degree Neck Angle, 902-2030

from

$19.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
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Dorman – Dorman Coolant Housing/Water Outlet: with Housing and Gasket, 180 Degree Neck Angle, 902-2018 (Part No.902-2018)

Dorman Coolant Housing/Water Outlet: with Housing and Gasket, 180 Degree Neck Angle, 902-2018

from

$22.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.
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Most Popular Thermostat and Water Outlet Gaskets for 1966 Checker Marathons

Enhance your 1966 Checker Marathon with one of the 4 Thermostat and Water Outlet Gaskets we have in stock, starting at just $2.79.
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Felpro – Felpro Engine Coolant Outlet Gasket, 35062 (Part No.35062)

Felpro Engine Coolant Outlet Gasket, 35062

from

$5.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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(100 reviews)
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Felpro – Felpro Engine Coolant Outlet Gasket, 35562 T (Part No.35562 T)

Felpro Engine Coolant Outlet Gasket, 35562 T

from

$20.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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(14 reviews)
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Victor Reinz – Victor Reinz Engine Coolant Outlet Gasket, 71-13524-00 (Part No.71-13524-00)

Victor Reinz Engine Coolant Outlet Gasket, 71-13524-00

from

$6.89
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Victor Reinz – Victor Reinz Engine Coolant Thermostat Gasket, 71-13537-00 (Part No.71-13537-00)

Victor Reinz Engine Coolant Thermostat Gasket, 71-13537-00

from

$2.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Best-Selling 1966 Checker Marathon Water Pump Gaskets

Upgrade your Marathon with one of our 4 best-selling Water Pump Gaskets, earning an average 4.5 stars rating across 68 reviews.
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Felpro – Felpro Engine Water Pump Gasket, 5152 (Part No.5152)

Felpro Engine Water Pump Gasket, 5152

from

$4.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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(68 reviews)
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Felpro – Felpro Engine Water Pump Gasket Kit, ES 73030 (Part No.ES 73030)

Felpro Engine Water Pump Gasket Kit, ES 73030

from

$8.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
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Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-13983-00 (Part No.71-13983-00)

Victor Reinz Engine Water Pump Gasket, 71-13983-00

from

$2.49
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
See More
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Victor Reinz – Victor Reinz Engine Water Pump Gasket, 71-14657-00 (Part No.71-14657-00)

Victor Reinz Engine Water Pump Gasket, 71-14657-00

from

$1.99
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.
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Top-Quality Radiator Caps for 1966 Checker Marathons

Choose a high-quality OEM or aftermarket Radiator Cap for Checker Marathons and enjoy top-notch performance from $10.99.
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Carquest Premium – Carquest Radiator Cap: 13 PSI, 10329 (Part No.10329)

Carquest Radiator Cap: 13 PSI, 10329

from

$10.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
See More

(48 reviews)
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Carquest Premium – Carquest Radiator Cap: 13 PSI, 10229 (Part No.10229)

Carquest Radiator Cap: 13 PSI, 10229

from

$10.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.
See More

(51 reviews)
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Top Picks for 1966 Checker Marathon Water Pumps

Invest in one of our 5 durable Water Pumps for your 1966 Checker, knowing you’re getting trusted brands and expert craftsmanship.
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Carquest Premium – Carquest Engine Water Pump_New, T2070 (Part No.T2070)

Carquest Engine Water Pump_New, T2070

from

$49.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.
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(2 reviews)
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Carquest Premium – Carquest Engine Water Pump_New, T3043 (Part No.T3043)

Carquest Engine Water Pump_New, T3043

from

$59.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.
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(15 reviews)
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Carquest Premium – Carquest Engine Water Pump: New, Gasket/Seals Included, T3044 (Part No.T3044)

Carquest Engine Water Pump: New, Gasket/Seals Included, T3044

from

$55.99
Carquest Premium drive motor inverter cooler water pumps are 100% new, high-quality parts that meet or exceed original equipment (O.E.) specifications. All components, including the housing, impeller, controller, gaskets, and seals are designed for long-lasting service life. These electric water pumps are supplied with the gaskets or seals necessary for installation. Our Carquest Premium auxiliary water pumps undergo stringent testing to ensure superior performance that we stand behind with an industry-leading warranty.
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Edelbrock – Edelbrock Competition Water Pump for Small-Block – 8 AN Pipe Aux Outlet, 8816 (Part No.8816)

Edelbrock Competition Water Pump for Small-Block - 8 AN Pipe Aux Outlet, 8816

from

$379.99
For circle track and endurance racing engines. Black anodized finish with 0.10 inch thicker rear cover. Impeller is larger than others for max pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of black with in 1 piece. Only flows in one-direction for optimum efficiency.
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Top Street Performance – Top Street Performance Chevy Small Block Short,Style High,Flow Mechanical Water Pump , Black, HC8011BK (Part No.HC8011BK)

Top Street Performance Chevy Small Block Short,Style High,Flow Mechanical Water Pump , Black, HC8011BK

from

$236.99
TSP’s high,flow mechanical water pumps provide that extra cooling power your high,performance engine demands. They are lightweight and flow at a rate up to 40 percent over stock pumps.
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Top-Rated Thermostats for 1966 Checker Marathons

Make a smart move for your 1966 Checker Marathon with products all priced from $10.79 to $33.59.
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Carquest Premium – Carquest Standard Thermostat: 180 Degrees, 13358 (Part No.13358)

Carquest Standard Thermostat: 180 Degrees, 13358

from

$12.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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(36 reviews)
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Carquest Premium – Carquest Standard Thermostat: 205 Degrees, 13352 (Part No.13352)

Carquest Standard Thermostat: 205 Degrees, 13352

from

$11.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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(1 reviews)
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Carquest Premium – Carquest Standard Thermostat: 195 Degrees, 13359 (Part No.13359)

Carquest Standard Thermostat: 195 Degrees, 13359

from

$10.79
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.
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(107 reviews)
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Motorad UltraStats – Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5200-180 (Part No.5200-180)

Motorad UltraStats UltraStat Thermostat: 180 Degrees, 5200-180

from

$16.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.
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(2 reviews)
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Mr. Gasket – Mr. Gasket High Performance 180 Degree Thermostat For Increased Flow, 4364 (Part No.4364)

Mr. Gasket High Performance 180 Degree Thermostat For Increased Flow, 4364

from

$31.99
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
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(20 reviews)
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Motorad UltraStats – Motorad UltraStats UltraStat Thermostat: 195 Degrees, 5200-195 (Part No.5200-195)

Motorad UltraStats UltraStat Thermostat: 195 Degrees, 5200-195

from

$19.99
This premium upgraded thermostat is everything you were looking for. UltraStat Thermostats are the toughest thermostats on the market. All heavy gauge stainless steel construction provides long-life durability, as well as complete corrosion resistance. Exclusive BLVT Valve technology minimizes thermal shock to cooling system components. This is the perfect upgrade to help insure your cooling system is working exactly as you need and expect it to for longevity.
See More
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Edelbrock – Edelbrock High Performance 180 Degree Thermostat for Improved Engine Efficiency, 8604 (Part No.8604)

Edelbrock High Performance 180 Degree Thermostat for Improved Engine Efficiency, 8604

from

$24.99
Edelbrock High Performance 180 Degree Thermostat for Improved Engine Efficiency, 8604.
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Mr. Gasket – Mr. Gasket High Performance Thermostat, 4365 (Part No.4365)

Mr. Gasket High Performance Thermostat, 4365

from

$33.59
Mr. Gasket High Performance Thermostats are designed to resist large variations of coolant pressure at high RPM (revolutions per minute). This allows them to fully open at correct temperature consistently regardless of engine RPM. The design also provides the high flow that engines operated a higher RPM need. This thermostat also features a copper/brass construction to further resist corrosion. Mr. Gasket High Performance / High Flow Thermostats are suitable for street, drag race, or oval track applications.
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Edelbrock – Edelbrock High Performance Thermostat (53mm) – 160 Deg, 8603 (Part No.8603)

Edelbrock High Performance Thermostat (53mm) - 160 Deg, 8603

from

$24.99
Edelbrock thermostats are designed to ensure consistent cooling in high-performance applications. Feature a brass and copper valve assembly with a stainless steel body for durability. This 160 Deg F thermostat is a bolt-on OEM style replacement that measures 53mm.
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Top-Rated Engine Cooling Part Brands For Your 1966 Checker Marathon

When it comes to finding the perfect Engine Cooling Part for your 1966 Checker Marathon, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 8 trusted brands. We carry the most popular Engine Cooling Part brands including Felpro and Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $3.99. Purchasing a Engine Cooling Part from us here at Advance Auto Parts is a smart move for both you and your 1966 Checker Marathon, providing peace of mind with parts that meet or exceed OEM standards.

Popular Felpro 1966 Checker Marathon Engine Cooling Parts

If you’re looking for a top-quality Engine Cooling Part for your 1966 Checker Marathon, Advance Auto Parts has exactly what you need with our selection of Felpro Engine Cooling Parts. We have 3 Felpro Engine Cooling Parts in stock for this fitment, all known for their durability and precision fit. With prices starting at just $3.99 and an average cost of $10.16, you’ll find the perfect Engine Cooling Part for your needs and budget. Felpro Engine Cooling Parts for the 1966 Checker Marathon come highly rated, with over 120 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Engine Cooling Part from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Felpro Engine Coolant Outlet Gasket, 35562 T
from $20.99
(14)
Felpro Engine Coolant Outlet Gasket, 35562 T
“Installed easy and didn’t need any sealant. It did not leak at all.”
Felpro Engine Coolant Outlet Gasket, 35062
from $5.49
(100)
Felpro Engine Coolant Outlet Gasket, 35062
“Perfect replacement”
Felpro Engine Water Pump Gasket, 13032
from $3.99
(6)
Felpro Engine Water Pump Gasket, 13032
“Easy to order and friendly staff! A+++”

Top-Quality Carquest Premium 1966 Checker Marathon Engine Cooling Parts

For those in search of a high-quality Engine Cooling Part for their 1966 Checker Marathon, Advance Auto Parts offers a great selection of Carquest Premium Engine Cooling Parts. With 3 Carquest Premium Engine Cooling Parts in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Engine Cooling Parts start at just $10.99, with an average price of $12.32, giving you a range of options to suit your budget. Backed by over 109 customer ratings and an average rating of 4.5 stars, Carquest Premium Engine Cooling Parts provide both reliability and excellent performance. Choosing a Carquest Premium Engine Cooling Part from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
Carquest Standard Thermostat: 160 Degrees, 13356
from $12.99
(25)
Carquest Standard Thermostat: 160 Degrees, 13356
“Good price and quality”
Carquest Standard Thermostat: 180 Degrees, 13358
from $12.99
(36)
Carquest Standard Thermostat: 180 Degrees, 13358
“It worked as it should.”
Carquest Radiator Cap: 13 PSI, 10329
from $10.99
(48)
Carquest Radiator Cap: 13 PSI, 10329
“Like the pressure release handle”

FAQs for 1966 Checker Marathon Engine Cooling Parts

What are the best-selling Engine Cooling Parts for 1966 Checker Marathons?

Out of 38 Engine Cooling Parts that fit 1966 Checker Marathons, the following parts are the top sellers:

What’s the price range for 1966 Checker Marathon Engine Cooling Parts?

The prices of Engine Cooling Parts for the 1966 Checker Marathon range from $1.99 up to $384.99 for the most premium parts.

What is the average price of an Engine Cooling Part for a 1966 Checker Marathon?

The average price for Engine Cooling Parts for the 1966 Checker Marathon is $55.84. Keep in mind the variety of part types within our Engine Cooling Part category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Engine Cooling Parts for other Checker Marathon model years?

Yes, we carry Engine Cooling Parts for 20 model years of Checker Marathons between 1961 and 1982. The following model years are the most popular for Engine Cooling Part purchases: 1982, 1981, 1980, 1979, 1978, 1977, 1976, 1975, and 1974.

What are the cheapest Engine Cooling Parts for my 1966 Checker Marathon?

The cheapest 1966 Checker Marathon Engine Cooling Parts we carry are:

What are the top-rated Engine Cooling Parts that fit the 1966 Checker Marathon?

Based on 2,758 reviews by customers, our 1966 Checker Marathon Engine Cooling Parts have an average customer rating of 4.7 stars. These are the highest-rated categories of Engine Cooling Parts for the 1966 Checker Marathon and their top-rated products:

What types of Engine Cooling Parts do you sell for my 1966 Checker Marathon?

As of 8/2/26, these are some of the most in-demand types of Engine Cooling Parts for a 1966 Checker Marathon:

Can I get help with 1966 Checker Marathon Engine Cooling Part orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Checker Engine Cooling Parts and more.

What is your return policy for Checker Marathon Engine Cooling Parts?

Advance Auto Parts keeps returns simple. For new Checker Marathon Engine Cooling Parts and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.

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