1965 GMC I-Series Performance Engine Cooling

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    • (1 review)
      # 60685085
      GMC I-Series 1965, 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
      $55.52 - $64.67
    • (0 reviews)
      # 608871828
      GMC I-Series 1965, 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)
      # 608879575
      GMC I-Series 1965, Direct-Fit Downflow Module by Be Cool®. Outlet Location: Lower Passenger Side. Be Coolant is an Extended-Life, Super Duty Coolant & Antifreeze that is ideal for all applications. Be Coolant features a new-generation...
      Made to improve your cooling system efficiencyDesigned to provide greater cooling power
      $1,399.99 - $2,499.99
    • (0 reviews)
      # mpn2239278934
      GMC I-Series Automatic Transmission 1965, Performance Direct Fit Combo Unit Radiator with Transmission Cooler by Griffin Thermal®. Size: 28" x 19" x 2.68". Inlet Location: Upper Passenger Side. Outlet Location: Lower Passenger Side....
      High quality at an affordable priceExpertly made from premium materials
      $817.24
    • (0 reviews)
      # 608845774
      GMC I-Series 1965, 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)
      # 608823096
      GMC I-Series 1965, 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)
      # mpn4478367599
      GMC I1000 / I1500 / I2500 Automatic Transmission 1965, Aluminum Performance Tri-Flow Radiator by Cold Case®. Cold Case® radiators are Tig welded 100% aluminum and absolutely beautiful. These radiators are original appearing and have...
      100% TIG weldedAll Aluminum
      $319.00
    • (0 reviews)
      # 70411659
      GMC I1500 / I2500 1965, 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)
      # 70411663
      GMC I1500 / I2500 1965, 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 I-Series Automatic Transmission 1965, 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
      $145.61
    • (0 reviews)
      # mpn4468246711
      GMC I1000 / I1500 / I2500 1965, 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...
      Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability
      $2.17
    • (0 reviews)
      # mpn4242881965
      GMC I-Series 1965, 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 with premium alloy materials and a...
      Great design and functionMade from sturdy materials
      $16.01
    • (0 reviews)
      # 71653413
      GMC I1500 / I2500 1965, 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.
      $2.07 - $4.55
    • (0 reviews)
      # 608027705
      GMC I1500 / I2500 1965, 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)
      # 70411671
      GMC I1500 / I2500 1965, 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)
      # 86154250
      GMC I-Series 1965, 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 to resist...
      Protective sleeves help duplicate GM Original Equipment for proper fit and function.Designed to resist electrochemical degradation for durability.
      $7.69 - $17.54
    • (0 reviews)
      # 49109048
      GMC I-Series 1965, 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 with this Gates...
      Great design and functionMade from sturdy materials
      $14.13
    • (0 reviews)
      # 451100379
      GMC I-Series 1965, 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
      $7.96 - $9.11
    • (0 reviews)
      # mpn1884232
      GMC I-Series 1965, Standard Radiator Coolant Flexible Hose by Gates®. Position: Upper. Centerline Length: 12". Inside Diameter 1: 1.5". 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
      $7.32
    • (0 reviews)
      # mpn335853363
      GMC I-Series 1965, Elite™ Molded Radiator Hose by Continental® ContiTech™. Position: Lower. Molded. Keep your engine cool with top-notch Continental ContiTech cooling products. They’ll restore the cooling system operation to...
      An excellent replacement for your old or malfunctioning cooling partDesigned to restore your vehicle’s performance and reliability
      $9.59
    • (1 review)
      # 60685063
      GMC I-Series 1965, 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
      $12.54 - $26.03
    • (0 reviews)
      # mpn947117488
      GMC I-Series 1965, 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
      $29.04
    • (0 reviews)
      # mpn4495259281
      GMC I-Series 1965, Electric Fan Switch 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 once and fix it right...
      Contains gaskets, o-rings, or seals to properly replace the productBrass construction for accurate temperature sensing
      $85.00
    • (0 reviews)
      # mpn1933795
      GMC I-Series 1965, Replacement Radiator Cap by Gates®. Pressure: 13 psi. Type: Optional System. Shell Diameter: 2.33". Filler Neck Outside Diameter: 2.13". Cap Depth: 1.25". Filler Neck Inside Diameter: 1.61". Filler Neck Depth: 0.75"....
      Great design and functionMade from sturdy materials
      $2.89
    • (0 reviews)
      # mpn1933787
      GMC I-Series 1965, Safety Release Radiator Cap by Gates®. Pressure: 13 psi. Type: Optional System. Shell Diameter: 2.61". Filler Neck Outside Diameter: 2.13". Cap Depth: 1.5". Filler Neck Inside Diameter: 1.61". Filler Neck Depth:...
      Great design and functionMade from sturdy materials
      $4.19
    • (0 reviews)
      # 101812577
      GMC I-Series 1965, Radiator Cap by Stant®. Pressure: 13 psi. Type: Optional System. Filler Neck Outside Diameter: 2.13". Filler Neck Inside Diameter: 1.61". Filler Neck Depth: 0.75". Test your radiator cap whenever you service the...
      Meets Original Equipment specificationsThe SWIV-EL design allows the cap to be installed and removed much easier than conventional radiator caps
      $4.74 - $6.58
    • (0 reviews)
      # mpn4242848812
      GMC I-Series 1965, 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 gaskets meet...
      Meets or exceeds all original equipment specificationsApplication specific design to Ensures a perfect fit
      $0.78
    • (0 reviews)
      # mpn741770
      GMC I-Series 1965, Engine Coolant Water Pump Gasket by Victor Reinz®. Intake Exhaust on Same Side of Engine. Water Pump Mounting Gasket. OEM Standard. Material: Paper. Location: Adapter To Pump. Use 1 per Car. Increase the life of your...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $0.87
    • (0 reviews)
      # mpn4466345031
      GMC I1500 / I2500 1965, 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
      $0.26
    • (0 reviews)
      # 761687662
      GMC I-Series 1965, 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)
      # mpn568338
      GMC I-Series 1965, 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 I-Series 1965, 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 vehicle's...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $0.69
    • (0 reviews)
      # mpn571333
      GMC I-Series without Water Bypass Hose 1965, Engine Coolant Water Outlet Gasket by Victor Reinz®. Use 1 per Car. Universal Type. OEM Standard. Material: Paper. Location: Spacer to Manifold. Increase the life of your vehicle's engine by...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $1.03
    • (0 reviews)
      # 846037050
      GMC I-Series 1965, 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
      $86.41 - $100.03
    • (0 reviews)
      # 231960961
      GMC I-Series 1965, 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
      $68.10 - $81.39
    • (0 reviews)
      # mpn620633985
      GMC I-Series 1965, 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 developed from its...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $20.27
    • (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
      Universal 11 fl. oz 10 Minute Radiator Flush by Motor Medic®. Plastic Bottle. Dual action formula especially designed to remove grease and scum plus loose rust and scale. Especially useful when changing anti-freeze or engine coolant.
      Designed and manufactured using innovative technologiesWill help boost the performance of your vehicle
      $1.88
    • (0 reviews)
      # mpn157725236
      Universal 11 fl. oz. Radiator Anti-Rust & Water Pump Lube by Motor Medic®. Plastic Bottle. Stops cooling system rust, scale, and corrosion in all types of water-cooled engines. Protective fi lm prevents new rust forming. Neutralizes...
      Designed and manufactured using innovative technologiesWill help boost the performance of your vehicle
      $1.88
    • (0 reviews)
      # mpn4482724119
      Universal 2 oz. Radiator Repair by Motor Medic®. Plastic Bottle. 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.
      Designed and manufactured using innovative technologiesWill help boost the performance of your vehicle
      $1.96
    • (0 reviews)
      # mpn4482724122
      Universal 5.5 oz. Multi-Purpose Radiator Sealant and Conditioner by Motor Medic®. Plastic Bottle. Multi-Purpose Radiator Sealant and Conditioner treats the entire cooling system. This product is made of high-quality materials to serve...
      Designed and manufactured using innovative technologiesWill help boost the performance of your vehicle
      $2.67
    • (0 reviews)
      # mpn4482724115
      Universal Liquid Kool™ 32 oz. Cooling System Protector by Motor Medic®. Plastic Bottle. Starts working immediately. Easy to use. Keeps cooling system cleaner. Prevents acid and corrosion build-up. Great for air conditioned cars.
      Designed and manufactured using innovative technologiesWill help boost the performance of your vehicle
      $3.81
    • (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
      $8.99 - $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)
      # 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
    • (0 reviews)
      # mpn4494301643
      Universal 32 oz. Radiator Flush by BlueDevil®. BlueDevil Radiator Flush restores efficiency to vehicles by helping remove grease, rust, grime or any other build up that occurs during normal vehicle use. Specially formulated coolant...
      Extends Vehicle LifeAdvanced Cleaning Power
      $4.70
    • (0 reviews)
      # 820795159
      Universal Cooling System Repair Kit by BlueDevil®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...
      Designed to maximize your vehicle's performanceProprietary high tech formula for exceptional quality
      $13.58 - $38.80
    • (0 reviews)
      # 197282578
      Universal Flex-a-Chill™ Radiator Coolant Additive by Flex-a-Lite®. Flex-a-Chill™ coolant additive is compatible with all types of antifreeze, and it provides 100-percent corrosion protection with straight water. It utilizes...
      Provides corrosion protection for aluminumPrevent scale and blockage
      $13.45 - $160.68
    • (0 reviews)
      # mpn358502353
      Universal Dike Temporary Radiator Stop Leak 16 oz by C&R Racing®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product will...
      High quality at an affordable priceExpertly made from premium materials
      $8.95
    • (0 reviews)
      # mpn358502354
      Universal Safe Coolant Corrosion Inhibiter Additive 16 oz by C&R Racing®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product...
      High quality at an affordable priceExpertly made from premium materials
      $6.95
    • (0 reviews)
      # mpn358594818
      Universal Radiator Relief™ Additive by Design Engineering®. 16 oz. 1 Piece. Includes Rust and Corrosion Inhibitors. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...
      High quality at an affordable priceExpertly made from premium materials
      $9.06
    • (0 reviews)
      # 97614914
      Universal CSP Coolant System Protector by Driven Racing Oil®. Includes Rust and Corrosion Inhibitors. 12 Oz, 12 x 12 oz. Bottle. Joe Gibbs Driven CSP Coolant System Protector offers cast iron and aluminum insurance. Your radiator, water...
      Boiling Point / Boiling Range: > 104 °C / 219 °FColor: Brown
      $8.99 - $107.89
    • (0 reviews)
      # mpn126612058
      Universal Super Heavy Duty Radiator Cleaner by GUNK®. 32 oz. Cooling System Lubricant contains powerful cleaning agents and neutralizer that quickly dissolve rust, scale, grease, and corrosion deposits. It is completely safe for use...
      Green, Translucent4.5 to 6.0 pH
      $8.31
    • (0 reviews)
      # mpn126612057
      Universal Super Heavy Duty Radiator Flush by GUNK®. 22 oz. Cooling System Lubricant contains powerful cleaning agents and neutralizer that quickly dissolve rust, scale, grease, and corrosion deposits. It is completely safe for use with...
      Yellow, Translucent4.5 to 6.0 pH
      $5.54
    • (0 reviews)
      # 81781219
      Universal Coolant Inugel Ultra by Motul USA®. 1.05 Quart. Concentrated formula (down to -54°C / -65°F) Concentrated anti-freeze to dilute with water.
      Protects the cooling system from freezing and metallic parts from corrosionProvides an excellent thermal exchange and therefore improves engine cooling efficiency
      $10.89
    • (0 reviews)
      # mpn358955803
      Universal MoCool Non-glycol Cooling Additive by Motul USA®. 16.9 oz. A non-glycol based radiator additive for use in racing applications where a glycol based product cannot be used. Engines run cooler up to 30°F (15°C). Improves...
      Cooling system optimal protection against corrosionRecommended for magnesium, aluminium alloys cases, cast iron, copper, brass and bronze systems
      $15.68
    • (0 reviews)
      # mpn126712088
      Universal Radiator Complete Care by Prestone®. 22 oz. Radiator Complete Care is formulated with patented Grafted Polymer Technology to extend and protect water pump life by reducing friction and protecting against corrosion in just 1...
      Extends and protects water pump lifeFormulated with patented Grafted Polymer Technology
      $8.74




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    1965 GMC I-Series Performance Engine Cooling 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? YesThis review was helpful for 1 user!

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