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1981 CHEVROLET K20 Cooling & Heating

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Results 1 - 24 of 160

Griffin Performance Fit Radiator Combos

Griffin Performance Fit combos offer the right fit with the right performance--and the right price! These high performance combos deliver cooling capability for extreme horsepower mixed with modern styling, do-it-yourself installation, and American craftsmanship. In these perfect combinations, Griffin packages their lightweight aluminum radiators constructed with 1.25 or 1.50 in. induction-welded MegaCool tubing, high performance electric fans, hand-formed aluminum shrouds, wiring harnesses, and radiator caps for a complete install. Choose the style and size needed to equip your ride with the ideal solution for engine temperature control--Griffin Performance Fit combos. * Griffin Performance Fit radiator combos may require modifications for installation. * See Griffin Exact Fit radiator combos for installation with no modifications.

4.02 out of 5 stars ( 230 )

$814.00

$1,191.00

Summit Racing™ Pro LS Swap Aluminum Radiator and Fan Combo Kits

Summit Racing™ Pro LS Swap aluminum radiator and fan combo kits are available for most popular LS swap applications. The kits include a quality-constructed aluminum radiator to provide exceptional weight savings over stock equipment, fan shroud, and a radiator cap. The radiators come in a variety of configurations, each possessing their own unique combination of features, to work for the specific make and model vehicle that they're intended. Install one of these cooling aluminum radiator and fan combos in the front of the engine bay to neutralize the threat of overheating. Select the Pro LS Swap radiator and fan shroud combo designed for your application.

Not Yet Reviewed

$919.99

Vintage Air Gen-V SureFit Systems Evaporator Kits

Get cool with Vintage Air! Their Gen 5 SureFit evaporator kits assist with providing powerful and intelligent climate control for your vehicle. These kits utilize an exclusive fully electronic microprocessor control system that eliminates cables or vacuum connections. Separate high-capacity copper parallel-flow heat coil and aluminum plate-and fin-cooling coils provide outstanding performance and instant temperature adjustments. Additionally, they include variable blower speed and dash/floor/defrost blend. Vintage Air Gen-V SureFit evaporator kits include the evaporator unit and mounting brackets, louvers (where required), duct hose wiring harness, hardware, and installation instructions, along with either a bolt-in replacement control panel or Vintage Air's patented electronic cable converters to use with your factory system controls. Choose the kit designed for your vehicle. Features and benefits: * Engineered to cool your vehicle faster than ever * Improved diagnostics and advanced systematic fail safes * Multiple mounting options for an easier installation * Rubber well-nut mounting points for improved NVH isolation * Separate high-capacity A/C and heater coils with blend air door for rapid vent temperature adjustment * OEM block-type expansion valve * Injection molded case for optimal precision, strength and quality * Injection molded blend air doors with integral rubber seals * Removable access covers for coil service * Interchangeable defrost and floor heat plenums for increased mounting flexibility * Powdercoated steel mounting brackets * Quiet high-performance blower

4.57 out of 5 stars ( 7 )

$1,339.99

Summit Racing™ Performance Fit Aluminum Radiators

Summit Racing™ performance fit radiators feature a quality aluminum core and are designed to fit your vehicle. They offer improved heat dissipation over OEM radiators, and some models are available with a built-in automatic transmission cooler. Modifications may be required when installing Summit Racing™ performance fit radiators. Designed for use with electric fans, the OEM fan shroud is not compatible with these radiators in most applications.

4.36 out of 5 stars ( 1039 )

$259.99

$379.99

Summit Racing™ Thermostats

Summit Racing offers replacement thermostats for thousands of vehicles. They're offered in a variety of styles, materials, flow rates, temperature ratings, and more. A reliable thermostat is essential to your cooling system and overall performance—kicking in precisely when your engine needs it. Order the model best suited for your application.

4.29 out of 5 stars ( 346 )

$8.99

$9.99

Cold Case Performance Aluminum Radiator Modules

Cool just got better! Cold-Case performance aluminum radiator modules bundle performance components for the most efficient cooling available. They've packaged their high-quality radiators with their exact fit shrouds and electric fans to deliver the best fit with an original look, an easy install, and effective cooling at an affordable price. Order the universal or application-specific model best suited for fitment in your engine bay. All Cold-Case radiator modules feature: * OEM-stamped, fully polished tanks * Aluminum shroud * Electric fan(s) * Correct OEM fitment * Lightweight, efficient aluminum construction * 100 percent TIG-welded * Internally welded filler necks offer a clean, factory look * Two oversized cooling rows for increased capacity * 1 in. to 1 1/4 in. tubes for higher volume * Works with factory filler cap * Includes OEM-style petcock * 42.7 percent lighter than comparable copper radiators * 30 percent thicker materials than no-name aluminum radiators * 60-day COOL guarantee

4.03 out of 5 stars ( 179 )

$651.45

Summit Racing™ Classic OEM Radiators

Summit Racing™ classic OEM radiators are designed to give you top performance cooling, while fitting your vehicle's mounts, so your ride can have a new radiator without having to modify brackets and fittings. The radiators are available in various styles and sizes to best fit your application or engine bay design.

4.41 out of 5 stars ( 410 )

$490.99

Summit Racing™ Pro LS Swap Radiators

Summit Racing™ Pro LS swap radiators are available for most popular LS swap applications. They're quality-constructed from aluminum to provide exceptional weight savings over stock equipment. You've put a lot of time and money into transforming your everyday street machine into a street demon, but to truly capture that performance that's too hot to handle, you've got to turn the temperature way down. Install one of these cooling aluminum radiators in the front of the engine bay to neutralize the threat of overheating. The radiators come in a variety of configurations, each possessing its own unique combination of features, to work for the specific make and model vehicle that they're intended.

4.0 out of 5 stars ( 27 )

$315.99

$359.99

Maradyne Jetstreme Electric Fans

Maradyne Jetstreme electric fans feature a low-profile design to allow for turbo or supercharger installations. They use a sealed motor tested in accordance with DIN EN 60529 and are dust and waterproof to IP68. The fans utilize an S-blade design for quieter operation and have a rubber seal that eliminates vibration contact and increases airflow. Maradyne Jetstreme electric fans have all glass-filled nylon construction for maximum durability.

4.86 out of 5 stars ( 14 )

$213.72

$451.59

Vintage Air SureFit Condenser Kits

Give your SureFit system a super-finished look with condenser kits from Vintage Air. These efficient condensers are car-specific for optimal operation and a great fit with the rest of your SureFit system. In most cases, SureFit condenser kits mount to stock radiator bolts for an easy installation. The different kits may include a condenser, receiver, drier, safety switch, brackets, and necessary hardware. Finish your SureFit ride for maximum performance with condenser kits from Vintage Air.

4.59 out of 5 stars ( 64 )

$329.99

Maradyne Mach Two Series Electric Fans

Maradyne Mach Two series truck electric fans feature dual 225 W high performance IP68 sealed motors attached to dual 11 in. diameter 5-blade fans to put out over 2,500 cfm of airflow. They have all glass-filled nylon construction and include dual harnesses for an easier installation. The fans are available with different mounting bracket positions, so you can match up with your radiator mounting style.

4.93 out of 5 stars ( 14 )

$360.92

Summit Racing™ Cast Iron Water Pumps

Some like chrome, some like powdercoat, some like nothing at all. No matter your preference, We have you covered with a big selection of Summit Racing™ mechanical cast iron water pumps. We have short and long pumps, standard and high-flow models, and a selection of finishes to meet your needs.

4.2 out of 5 stars ( 220 )

$91.99

Cold Case Performance Aluminum Radiators

Cold-Case performance aluminum radiators are available and affordable for all. These high-quality, tube-and-fin performance radiators are true OE styles for most applications. Each Cold-Case design distributes fluid more evenly, eliminating hot and cold spots. Also, the massive cores take up the entire width of their tanks, so you get the most efficient cooling possible. The radiators drop-in without modifications needed (on most) and look original. Plus, Cold-Case stands behind its quality and research with a limited lifetime warranty on their products. All Cold-Case radiators feature: * Lightweight, efficient aluminum construction * 100 percent TIG-welded * Internally welded filler necks offer a clean, factory look * Two oversized cooling rows for increased capacity * 1 in. to 1 1/4 in. tubes for higher volume * Works with factory filler cap * Includes OEM-style petcock * 42.7 percent lighter than comparable copper radiators * 30 percent thicker materials than no-name aluminum radiators * 60-day COOL guarantee

4.15 out of 5 stars ( 568 )

$392.45

$770.45

Hayden Fan Clutches

Do you need a replacement fan clutch? These fan clutches by Hayden Automotive are manufactured to ensure performance and durability. Hayden offers thermal, non-thermal, and heavy-duty series fan clutches that meet strict factory guidelines. All Hayden Automotive fan clutches should only be used on the specific applications for which they are cataloged. Use of the wrong fan clutch may result in poor cooling, excess noise, reduced mileage, and/or fan clutch failure.

4.51 out of 5 stars ( 434 )

$21.99

$75.99

ACDelco Air Conditioning Compressors

ACDelco air conditioning compressors are an ideal choice for a custom hot rod project or standard OEM replacement. They're available in new or cost-alternative remanufactured units for fitment on a wide range of applications. The heart of any air conditioning system is the compressor—their primary function is to compress and transfer refrigerant gas. The intake side draws in refrigerant gas from the outlet of the evaporator. Once condensed to a gas, it's then discharged to the condenser, where it can transfer the heat that is absorbed from the inside of the vehicle.

4.11 out of 5 stars ( 84 )

$229.99

$326.99

Summit Racing™ Classic OEM Heater Cores

Need better temperature control? Summit Racing™ Classic OEM heater cores will get your heater and defroster functioning properly once again. Designed to perform and built to last, our heater cores feature either aluminum or copper/brass construction and high-strength alloys to resist corrosion to serve you longer. They also offer an OE fit to make your installation easier. Keep your vehicle cabin warm with Summit Racing™ Classic OEM heater cores.

4.57 out of 5 stars ( 238 )

$73.99

FlowKooler Robertshaw Series High Performance Thermostats

FlowKooler Robertshaw high performance thermostats are designed to resist large variations in coolant pressures that can occur at high rpm. Under these conditions, coolant temperature and pressure fight for control of the thermostat, keeping it from opening at its designed temperature. These balanced, high performance thermostats feature brass-and-copper construction and will open at the right temperature, regardless of engine rpm.

4.58 out of 5 stars ( 146 )

$28.99

Maradyne Champion Series Electric Fans

Maradyne Champion series electric fans are great for use on remote transmission coolers, oil coolers, or intercoolers. They feature a reversible motor, so they can be used as a puller or pusher type, depending on your space constraints. They use sealed motors, perfect for harsh conditions, including off-road, and they can be sprayed clean without moisture entering the motor. The Maradyne Champion series electric fans have a glass-filled nylon shroud and blade and are high-temperature and impact-resistance for harsh underhood temperatures and greater resistance to flying road debris.

4.81 out of 5 stars ( 57 )

$184.59

Edelbrock High Performance Thermostats

Edelbrock high performance thermostats are designed to ensure consistent cooling in high performance applications. Edelbrock thermostats feature brass and copper valve assemblies with stainless steel bodies for durability. They are bolt-on OE-style replacements and are available to fit many popular domestic and import applications. They are available with160, 180, and 190 degree F ratings.

4.49 out of 5 stars ( 39 )

$20.95

$21.95

Flex-A-Lite Wide Blade Flex Fans

Flex-A-Lite belt-driven Flex fans feature an aggressive pitch blade design to move the most air at idle. Plus the Flex blades will flatten out at high engine rpm to reduce drag--improving horsepower and gas mileage. Specs for Flex-A-Lite Flex fans: * Stainless steel (6) blades with red stars * Stainless steel (5 or 6) blades with blue stars * Stainless steel blades with gold star (reverse rotation only) * Several diameters to choose from * Mounting pattern: 5/8 in. pilot, 1 3/4 in. to 2 1/2 in. bolt pattern * Projected width of 2 1/4 in.

4.63 out of 5 stars ( 41 )

$79.99

Summit Racing™ Performance Fit Aluminum Radiator and Fan Combos

Summit Racing™ Performance Fit combos feature a quality aluminum radiator and are designed to fit your vehicle. They offer improved heat dissipation over OEM radiators, and some models are available with a built-in automatic transmission cooler. These combos also include an electric fan, fan shroud, and mounting hardware. Modifications may be required when installing Summit Racing™ Performance Fit radiators.

3.54 out of 5 stars ( 68 )

$547.94

$667.94

Tuff Stuff Performance Supercool Water Pumps

Tuff Stuff Performance Supercool water pumps create 30 percent more flow to help cool engines under abnormal conditions. Ideal for race applications, these pumps are made from high-quality materials, such as aluminum and iron, and are available in a variety of finishes. Options include short and long style; standard and high-volume flow; clockwise and counterclockwise rotation; and different pilot diameters. Whether you're replacing or upgrading, there's a Supercool water pump for your specific vehicle.

4.24 out of 5 stars ( 392 )

$104.99

$283.99

Mr. Gasket High Performance Thermostats

Mr. Gasket high-performance thermostats are designed to resist large variations in coolant pressures that can occur at high rpms. Under these conditions, coolant temperature and pressure fight for control of the thermostat, keeping it from opening at its designed temperature. These balanced high-performance thermostats have brass-and-copper construction, and open at the right temperature regardless of engine rpm.

3.96 out of 5 stars ( 228 )

$26.95

$27.36

Proform High Flow Mechanical Aluminum Water Pumps

These Proform high-flow mechanical aluminum water pumps feature a stamped steel impeller spinning on heavy-duty ball bearings. The result is up to 40 percent more coolant flow, giving you real performance value for your dollar. They are available in a natural or polished finish.

3.77 out of 5 stars ( 146 )

$121.99

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