1966 GMC P-Series Performance Engine Cooling

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    • (0 reviews)
      # 102119492
      GMC PB3500 Van 1966, Thermocap™ Radiator Cap by Mr. Gasket®. OEM Replacement. With Thermometer Built In. 13 PSI. Keeping your engine cool is pretty important, so Mr. Gasket has a full line of cooling system accessories. Whether it’s...
      Brilliant triple-chrome platingPrevent boilovers
      $32.43 - $35.68
    • (1 review)
      # 60685364
      GMC P-Series 1966, 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 comes...
      Reversible push/pull operationThin, aerodynamic profile for applications with limited space
      $56.82 - $67.23
    • (0 reviews)
      # 608845699
      GMC P-Series 1966, Direct-Fit Crossflow Module by Be Cool®. Be Coolant is an Extended-Life, Super Duty Coolant & Antifreeze that is ideal for all applications. Be Coolant features a new-generation earth-friendly biodegradable, propylene...
      Made to improve your cooling system efficiencyDesigned to provide greater cooling power
      $1,299.99 - $2,499.99
    • (0 reviews)
      # 608816488
      GMC P-Series 1966, Direct-Fit Downflow Module by Be Cool®. Be Coolant is an Extended-Life, Super Duty Coolant & Antifreeze that is ideal for all applications. Be Coolant features a new-generation earth-friendly biodegradable, propylene...
      Made to improve your cooling system efficiencyDesigned to provide greater cooling power
      $1,399.99 - $2,499.99
    • (0 reviews)
      # 1006450349
      GMC P-Series 1966, Hot Rod Downflow Engine Coolant Radiator by Northern Radiator®. Size: 19 3/4" x 20 1/4" x 3 1/8". If you are looking for an optimal cooling solution, this first-rate product from Northern Radiator is the way to go....
      High quality at an affordable priceExpertly made from premium materials
      $267.74 - $315.52
    • (0 reviews)
      # 608780478
      GMC P-Series 1966, Direct-Fit Crossflow Radiator by Be Cool®. When the radiator must fit as well as it cools, our Classic series is for you. The Classic Series comes standard in natural finish aluminum. Money back guaranteed to reduce...
      Made to improve your cooling system efficiencyDesigned to provide greater cooling power
      $599.99 - $943.99
    • (0 reviews)
      # 608891446
      GMC P-Series 1966, Direct-Fit Downflow Radiator by Be Cool®. Inlet Location: Upper Driver Side. Outlet Location: Lower Passenger Side. When the radiator must fit as well as it cools, our Classic series is for you. The Classic Series...
      Made to improve your cooling system efficiencyDesigned to provide greater cooling power
      $699.99 - $943.99
    • (0 reviews)
      # 912039932
      GMC P-Series 4.1L 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 - $9.85
    • (0 reviews)
      # 911893369
      GMC P-Series 4.1L 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)
      # mpn358591501
      GMC P-Series Automatic Transmission 1966, PRO-X™ Overflow Premium Canister by TCI®. Material: Aluminum. 1 Piece. Overflow Canister Pro x GM PG Transmission. New lightweight aluminum overflow canister for Powerglide transmissions...
      High quality at an affordable priceBuilt to match your exact requirements
      $147.21
    • (0 reviews)
      # mpn4468246711
      GMC P1000 / PB2500 Van / PB3500 Van 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...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $2.17
    • (0 reviews)
      # 231949953
      GMC P-Series 1966, 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
      $59.57 - $78.17
    • (0 reviews)
      # mpn4242881965
      GMC P-Series 3.2L / 3.8L / 4.1L 1966, Engine Coolant Standard Water Pump by Gates®. Material: Cast Iron. Gates water pumps are recognized in the industry for their durability and superior quality. Every Gates water pump is constructed...
      Great design and functionMade from sturdy materials
      $16.17
    • (0 reviews)
      # 71656824
      GMC P-Series 4.1L 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...
      Heavier-duty components and greater flow rates than standard-line thermostats.Designed to be OE-like.
      $2.67 - $5.89
    • (0 reviews)
      # 911862919
      GMC P-Series 4.1L 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)
      # 911894962
      GMC P-Series 4.1L 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)
      # 86154376
      GMC P-Series 1966, Professional™ Radiator Coolant Hose by ACDelco®. Composed of specially blended materials to deliver long-life performance, ACDelco Professional Automotive Coolant Hoses are designed to resist buckling or bending out...
      Protective sleeves help duplicate GM Original Equipment for proper fit and function.Designed to resist electrochemical degradation for durability.
      $8.90 - $18.48
    • (0 reviews)
      # mpn1878941
      GMC P-Series 3.2L / 3.8L / 4.1L 1966, Heavy Duty Radiator Coolant Flexible Hose by Gates®. Position: Lower. Centerline Length: 19". Inside Diameter 1: 1.75". If you want to keep your vehicle safe on the road for many years to come, go...
      Great design and functionMade from sturdy materials
      $13.64
    • (0 reviews)
      # 451001244
      GMC P-Series 1966, 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 utmost...
      Heat and ozone resistant coverRe-engineered materials resist vacuum collapse, this reduces the need for internal springs in many applications
      $7.68 - $7.91
    • (0 reviews)
      # mpn126067060
      GMC P-Series 3.2L / 3.8L 1966, Standard Radiator Coolant Flexible Hose by Gates®. Position: Upper. Centerline Length: 8". Inside Diameter 1: 1.5". 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
      $7.30
    • (0 reviews)
      # 83174739
      GMC P-Series 1966, Coolant Thermostat Housing by Dorman®. Bolt Hole Diameter: 0.313". Quantity: 2 Bolt Hole. Finish: Natural. Re-engineered to address common failure points in the original equipment, Dorman’s Engine Coolant Thermostat...
      Direct replacement for a proper fit every timeHoses slide on for easy installation
      $7.13 - $8.78
    • (1 review)
      # 60685380
      GMC P-Series 1966, Cooling Fan Temperature Switch by Hayden®. Take control of your electric fan with this product. Designed specifically for single or dual fan applications, this adjustable cycling temperature switch features brass...
      Designed for single or dual fan applicationsBrass construction for accurate temperature sensing
      $13.27 - $28.28
    • (0 reviews)
      # mpn947117488
      GMC P-Series 1966, 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)
      # mpn4242848812
      GMC P-Series 1966, Engine Coolant Water Pump 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 resources, the...
      Meets or exceeds all original equipment specificationsApplication specific design to Ensures a perfect fit
      $0.78
    • (0 reviews)
      # 83174742
      GMC P-Series 1966, Radiator Drain Petcock by Dorman®. Dorman offers a variety of Radiator Drain Petcocks for a range of applications. Their high-quality design ensures effective draining of the cooling system.
      Designed to maintain proper cooling level and prevent overheatingDurably engineered for a long service life
      $2.76 - $4.38
    • (0 reviews)
      # mpn4466345031
      GMC P-Series 4.1L 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $0.39
    • (0 reviews)
      # 761679647
      GMC P-Series 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 resources,...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $1.05 - $1.06
    • (1 review)
      # 906543933
      GMC P-Series 1966, Engine Coolant Water Outlet Gasket by Fel-Pro®. 1-13/16" Inner Diameter. Material: PermaDryPlus Rigid Carrier. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using...
      Quality that you can trustValidated for fit, form and function
      $8.31
    • (0 reviews)
      # mpn589686
      GMC P-Series 3.2L / 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
    • (0 reviews)
      # 911837317
      GMC P-Series 1966, Engine Coolant Water Outlet Gasket by Victor Reinz®. Material: Paper. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $0.87 - $1.07
    • (0 reviews)
      # mpn914832845
      GMC P-Series 4.1L 1966, 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...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $42.82
    • (0 reviews)
      # 845969858
      GMC P-Series 1966, 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 it...
      Motors built and tested to quality specificationsMade with the use of the latest technologies
      $76.63 - $100.03
    • (0 reviews)
      # mpn4495257680
      GMC P-Series 4.1L 1966, Engine Coolant Water Outlet by CompressorWorks®. Without Thermostat. CompressorWorks products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...
      Meets and/or exceeds OEM standardIncludes quality gasket or O-ring to ensure proper seal (where applicable)
      $7.02
    • (0 reviews)
      # 845970856
      GMC P-Series 4.1L 1966, Standard Duty Engine Cooling Fan Clutch by CompressorWorks®. Type: Thermal. Type: Thermal. CompressorWorks products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of...
      Designed, tested, and built by applicationOE performance, fit, and appearance
      $17.52 - $21.24
    • (0 reviews)
      # mpn943786383
      GMC P-Series 4.1L 1966, 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 experience, fix it...
      OE Performance, Fit, and AppearancePrecision Machined
      $20.75
    • (0 reviews)
      # mpn943786382
      GMC P-Series 4.1L 1966, 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
      $26.73
    • (0 reviews)
      # mpn620633985
      GMC P-Series 3.8L / 4.1L 1966, 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 knowledge...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $20.27
    • (0 reviews)
      # mpn2930407
      GMC P-Series 4.1L 1966, Non-Thermal Fan Clutch by Hayden®. Rotation: Reverse/Standard. Prevent your engine from overheating with this product. Designed specifically for your vehicle, this nonthermal fan clutch performs well, spinning at...
      Designed, tested, and built by applicationOE performance, fit, and appearance
      $18.00
    • (0 reviews)
      # mpn2934027
      GMC P-Series 4.1L 1966, Standard Duty Thermal Fan Clutch by Hayden®. Rotation: Standard. Replace your failed fan clutch with this premium part. Designed specifically for your vehicle, this thermal standard duty fan clutch provides...
      Designed, tested, and built by applicationOE performance, fit, and appearance
      $22.62
    • (0 reviews)
      # mpn4499783705
      GMC P-Series Automatic Transmission 1966, Aluminum Performance Radiator with Fan by Cold Case®. Fan Diameter: 16". This COLD-CASE radiator is Tig welded 100% aluminum and absolutely beautiful. This radiator is original appearing and...
      100% TIG weldedAll Aluminum
      $475.00
    • (0 reviews)
      # mpn4499783705
      GMC P-Series Automatic Transmission 1966, Aluminum Performance Radiator with Fan by Cold Case®. Fan Diameter: 16". This COLD-CASE radiator is Tig welded 100% aluminum and absolutely beautiful. This radiator is original appearing and...
      100% TIG weldedAll Aluminum
      $475.00
    • (0 reviews)
      # mpn4499783705
      GMC P-Series Automatic Transmission 1966, Aluminum Performance Radiator with Fan by Cold Case®. Fan Diameter: 16". This COLD-CASE radiator is Tig welded 100% aluminum and absolutely beautiful. This radiator is original appearing and...
      100% TIG weldedAll Aluminum
      $475.00
    • (0 reviews)
      # mpn4495716625
      Universal Kool-It™ Radiator Flush and Protect Pack by Lubegard®. Contains Kool-It™ Supreme Coolant Treatment and Radiator Flush. Capacity: 2 pack of 16 oz. Kool-It® Radiator Flush is formulated with additives that circulate through...
      Quickly and safely removes scum, oily residue, sediments, rust, deposits and other degradation products from the cooling system of any car or truckSafe for all cooling systems including aluminum radiators
      $13.91
    • (0 reviews)
      # mpn4495716621
      Universal Kool-It™ Supreme Coolant Treatment by Lubegard®. Capacity: 16 oz. Kool-It™ Supreme Coolant Treatment is chemically engineered to reduce the surface tension of coolant, penetrating metal surfaces at vital heattransfer...
      Protects all metals from chemical electrolysisProvides unsurpassed cooling system corrosion protection
      $7.21
    • (0 reviews)
      # 89258802
      Universal Cool-Aide Concentrate, 16 oz by Maxima Racing Oils®. Cool-Aide is an additive formulated to reduce engine temperatures and provides significantly better contact on heated surfaces allowing for greater and more efficient heat...
      Powerful concentrateApproved for racing on paved surfaces
      $8.10 - $94.81
    • (0 reviews)
      # mpn154347100
      11 fl. oz. 10 Minute Radiator Flush by Motor Medic®. Dual action formula especially designed to remove grease and scum plus loose rust and scale. Especially useful when changing anti-freeze or engine coolant.
      Quickly removes grease, scum, rust and scaleƒƒA fast, one step product that requires no neutralizer
      $1.88
    • (0 reviews)
      # mpn157725236
      11 fl. oz. Radiator Anti-Rust and Water Pump Lube by Motor Medic®. Stops cooling system rust, scale, and corrosion in all types of water-cooled engines. Protective fi lm prevents new rust forming. Neutralizes acids and protects against...
      Compatible with all conventional and extended life coolants/anti-freezesƒƒPrevents evaporation, formation of rust and corrosion
      $1.93
    • (0 reviews)
      # mpn4482724119
      2 oz. Radiator Repair Powder by Motor Medic®. A non-metallic solder. Use super heavy duty radiator Cleaner to clean your cooling system thoroughly. Use water Pump lubricant and rust inhibitor to keep it clean.
      The original heavy-duty powder radiator repairƒƒQuickly seals leak with a durable bond
      $1.96
    • (0 reviews)
      # mpn4482724122
      5.5 oz. Multi-Purpose Radiator Sealant and Conditioner by Motor Medic®. M-P (Multi-Purpose) Radiator Sealant and Conditioner treats the entire cooling system.
      Circulates through the cooling systemƒƒSeals leaks, stops head gasket and combustion chamber seepage
      $2.67
    • (0 reviews)
      # mpn4482724115
      Liquid Kool™ 32 oz. Cooling System Protector by Motor Medic®. Starts working immediately! Easy to use! Keeps cooling system cleaner! Prevents acid and corrosion build-up! Great for air conditioned cars!
      Recommended for all air conditioned vehiclesƒƒPrevents engine overheating, vapor lock, acid formation, corrosion and rust
      $4.48
    • (0 reviews)
      # mpn4498464558
      Transmedic™ 10 oz. Synthetic Automatic Transmission Flush by Motor Medic®. Solder Seal/Gunk Synthetic Transmission Flush is a unique blend of synthetic oil base stock formulated for cleaning automatic transmissions. Designed to remove...
      Use with or without flush equipmentƒƒCleans internal components and valves
      $5.34
    • (0 reviews)
      # 46063619
      Universal Radiator Sealer by Prestone®. Super Radiator Sealer's special formula helps seal larger size leaks. Its unique combination of natural and synthetic components provides the ability to seal leaks.
      Seals without interfering with the flow through the radiator and heater core tubesPatented formula provides a strong durable seal
      $2.97 - $3.20
    • (1 review)
      # 681879367
      Universal Purple Ice™ High Performance Radiator Coolant Additive by Royal Purple®. 12 oz. Purple Ice® is a high performance coolant additive and radiator fluid conditioner. Its advanced 2-in-1 corrosion inhibitor and wetting agent...
      Reduces surface tension of a coolant allowing more heat to transfer outside the radiator resulting in more horsepowerReduces hot spots in the engine and cylinder heads, reducing the possibility of engine failure
      $9.71 - $134.24
    • (0 reviews)
      # 791158395
      Universal Radiator Stop Leak Concentrate Sealer by Bar's Leaks®. Most car owners aren't expert mechanics. When they notice a puddle underneath their vehicles, or when they turn the steering wheel and hear the telltale whine that...
      Stops and Seals Coolant LeaksSeals Leaks in Radiators, Gaskets, Heater Cores and Freeze Plugs
      $1.70 - $2.71
    • (0 reviews)
      # mpn4517284841
      Universal Radiator Cleaner by Liqui Moly®. 300 ml. Can. Removes calcareous deposits from radiators and cooling systems, ensuring the ideal engine temperature and reliability. Does not contain any aggressive acids and lyes. For all...
      Made to provide unmatched efficiency and winDesigned to help get the most out of your vehicle
      $5.62
    • (0 reviews)
      # mpn4495284755
      Universal 0.75 Oz Powder Radiator Stop Leak and Conditioner by Bar's Leaks®. That is why developed Bar's Leaks Powder Radiator Stop Leak. It's a tube of tiny technology ready to stop minor cooling system leaks so you can get your...
      Seals leaks and seepageLubricates water pump seal - some of the powder is super fine and works like graphite and penetrates the water pump seal to lubricate
      $0.97
    • (0 reviews)
      # mpn4495284753
      Universal 11 Oz Heavy Duty Pelletized Radiator Stop Leak by Bar's Leaks®. Original Rhizex® Pelletized Formula Heavy Duty Stop Leak seals internal, external and coolant-to-oil leaks. It is specially formulated to seal larger leaks...
      Protects the Entire Cooling SystemStops Current and Future Leaks
      $3.06
    • (0 reviews)
      # mpn4495284754
      Universal DiFM Professional Cooling System Treatment by Bar's Leaks®. Bar's Leaks Professional DiFM Cooling System Treatment 5-gram tablets are the perfect product to use any time servicing the cooling system, including parts...
      Prevent the formation of rust and scaleControl electrolysis
      $15.42
    • (0 reviews)
      # mpn4495284750
      Universal Radiator Stop Leak Tablets by Bar's Leaks®. 60 grams. Product engineers created these Bar's Leaks Radiator Stop Leak Tablets to repair radiator leaks from within so you can get back on the road in no time. These tablets might...
      Professional Strength FormulaWorks with All Types of Antifreeze
      $1.89




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      April 29, 2016
      Performance Cooling Fans: How To Measure, How...
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      by Timothy Zahl
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    • Replacement Engine Cooling Parts
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      Antifreeze Explained: What It Does And Why It's...
      "Antifreeze" is a chemical, primarily consisting of ethylene glycol, which when mixed with water serves to lower the freezing point and raise the boiling point of the...
      by Michael Grayen
    • Replacement Engine Cooling Parts
      February 07, 2014
      Servicing Your Vehicle's Cooling System
      Everyone knows that your vehicle's engine needs its oil and filter changed at regular intervals. Most folks also know that there are other items which need regular...
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    1966 GMC P-Series Models
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