Summit Racing SpeedCard - learn how to get 10% back up to $100

Summit Racing SpeedCard - learn how to get 10% back up to $100

Haul in the Savings - Shop the Truck Savings Event Today!

CHEVROLET K5 BLAZER Cooling & Heating

Part Groups

Results 1 - 24 of 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 ( 443 )

$35.99

$54.99

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.

4.5 out of 5 stars ( 44 )

$22.95

$24.95

On Sale

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.

3.97 out of 5 stars ( 234 )

$29.11


$21.83

$31.46

Hayden Rapid-Cool Transmission Oil Coolers

Hayden Rapid-Cool transmission oil coolers take the heat, so your vehicle won't! Over 14-million transmissions fail every year, and 9 out of 10 are from overheating. Rapid-Cool's unique plate and fin design combines cooling expertise and space efficiency; multiple sizes are available. Their patented internal turbulation provides better heat transfer. Lower your operating temps with a pioneer in cooling: Hayden!

4.7 out of 5 stars ( 159 )

$43.99

$46.99

Four Seasons Blower Motors

Four Seasons replacement blower motors are available for a variety of applications. These motors allow you to supply the correct volume of air to the heating and/or cooling system of your vehicle. These motors help to keep you warm or cool during all four seasons!

4.4 out of 5 stars ( 104 )

$31.99

$44.99

ACDelco Mechanical Water Pumps

ACDelco mechanical pumps are ideal replacement components for many vehicles on the road today. They're manufactured to meet and exceed OE specifications for fit and performance. The pumps are available in many styles, materials, and other options. Order the model recommended for your application. Features and benefits include: * Available for practically all GM vehicles as well as a wide range of non-GM vehicles * Completely pressure-tested for reliable, leak-free performance * Coated seals support seal longevity and durability * Heat-treated shaft assemblies and impellers provide superior strength and durability * High-quality bearings are permanently sealed and lubricated for greater durability and long life * Uniform wall sections and smooth coolant-flow cavities for efficient operation * Cast iron, aluminum, or steel design, depending on vehicle

4.72 out of 5 stars ( 431 )

$41.99

$46.99

On Sale

Mr. Gasket Chrome Plated O-Ring Water Necks

Mr. Gasket chrome plated water necks feature an O-ring style seal to prevent water leaks. Precision die-cast for a great fit, they're first polished to a high luster, then beautifully chrome plated for lasting beauty. These water necks come complete with an O-ring and mounting bolts.

4.22 out of 5 stars ( 63 )

$29.11


$21.83

Summit Racing™ Overflow Tanks

Summit Racing™ overflow tanks collect excess coolant to help prevent contamination of your vehicle and the environment. These often overlooked components provide a vital role in a properly functioning coolant system. Any kind of damage that results in a leak can lead to low coolant levels and engine overheating. Keep your vehicle's cooling system performing optimally with an assist from Summit Racing™ overflow tanks.

5.0 out of 5 stars ( 3 )

$28.99

Hayden Fluid Coolers

Hayden Automotive offers fluid coolers in a variety of sizes and materials. These units help to extend the life of your vehicle by lowering operating temperatures. Coolers are available for many types of fluids, including transmission, hydraulic, and power steering; as well as engine coolant, diesel fluid, and engine and differential oil. Order the universal or vehicle-specific model needed for your application.

4.43 out of 5 stars ( 167 )

$27.99

$51.99

On Sale

Mr. Gasket Water Necks

Mr. Gasket offers replacement water necks in a variety of styles, materials, finishes, sizes, and angles. Water necks help to hold the vehicle's thermostat in place as it opens and closes—to regulate the flow of coolant through your engine. The opening in the water neck created by the thermostat allows coolant to flow from the radiator back to the engine. Order the model recommended for your vehicle.

3.69 out of 5 stars ( 113 )

$31.48

$34.72

Four Seasons Fan Clutches

Is your engine running too warm or is your A/C performance failing? It may be time for a new fan clutch. Improve your cooling system's efficiency by engaging the fan when additional cooling is required. Four Seasons fan clutches are offered in clockwise and counterclockwise rotational patterns, depending on the application.

4.18 out of 5 stars ( 67 )

$32.99

$51.99

Four Seasons Power Steering Oil Cooler Installation Kits

Power steering oil coolers remove destructive heat generated within the power steering systems of your high performance vehicles. And that's where Four Seasons power steering oil cooler installation kits come into play. These kits are designed to prolong the life of your system's pump, hoses, and seals, and include an oil hose and all necessary hardware for the installation.

4.85 out of 5 stars ( 13 )

$31.99

Dorman Thermostat Housings

Replace your stock thermostat housing with new parts from Dorman. These quality replacement components offer solution upgrades for your coolant system, and they are available for several applications. Don't wait for your engine to overheat or for the check engine light to illuminate--upgrade to reliable, OE-fitting thermostat housings from Dorman.

4.23 out of 5 stars ( 175 )

$20.99

OER Dash Air Conditioning Vent Assemblies

Get the cold air flowin' with OER! These high-quality reproduction air conditioning vent assemblies from OER are the ideal choice for your restoration. They're accurate replicas of the original vents, manufactured using correct materials with the proper graining on the housing face. These reproduction OER dash air conditioning vent assemblies include the ventilation duct open and shut lever, which was installed on models with factory air.

4.71 out of 5 stars ( 7 )

$27.99

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.

4.6 out of 5 stars ( 151 )

$28.99

Four Seasons Ultra-Cool Transmission Oil Coolers

Keep your transmission healthy with Four Seasons Ultra-Cool transmission oil coolers. The aluminum tube and fin oil coolers feed your system cool oil, protecting it from overheating and giving it the strength to climb, tow, and tackle stop-and-go city driving. Four Seasons transmission oil coolers offer your transmission efficient performance and protection. Be good to your transmission--give it a regular dose of cool oil from Four Seasons Ultra-Cool transmission oil coolers.

4.9 out of 5 stars ( 10 )

$37.99

On Sale

Brothers Trucks Air Vent Outlets

Decades of heat and sun can cause a lot of the plastic interior pieces of your square body to become brittle, faded, and break. One of these common parts are the air vents. Holley Classic Trucks replacement air vent outlets are the perfect solution to renew the look of your interior. They're made with precise tooling for an excellent fit and finish and include all factory mounting points for an easy installation. Select the in-dash air vent outlets designed to fit your vehicle.

5.0 out of 5 stars ( 2 )

$23.75

JET Low Temp Stats

With one of these low-temperature JET thermostats, you get consistent engine cooling and increased horsepower by reducing engine temperature. You'll also obtain more precise metering of water throughout your engine—as well as a long product life, since the thermostats are made from stainless steel.

4.28 out of 5 stars ( 137 )

$24.71

Agility Auto Parts Heater Cores

Agility Auto Parts offers a complete line of automotive heater cores, covering 94 percent of all North American vehicle. They provide value in several ways, including increased thermal performance and resistance to corrosion. The HVAC cores use enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability. These certified heaters meet or exceed OE specifications—and are "drop in fitment" checked in the actual vehicles HVAC heater module, so they're ready to be installed right out of the box. Agility Auto Parts heaters are engineered and manufactured under ISO TS16949 quality systems and are 100 percent leak-tested.

3.95 out of 5 stars ( 21 )

$35.99

$37.99

ACDelco GM Genuine Parts Engine Coolant Thermostats

ACDelco GM Genuine Parts engine coolant thermostats monitor the flow of coolant through your vehicle's engine and radiator. Built to the exact specification of your original component, these are the only GM-recommended replacements. Do not settle for anything less than the best; choose ACDelco GM Genuine Parts.

4.44 out of 5 stars ( 34 )

$53.99

MotoRad Spec-R Racing Thermostats

In racing, precision is everything--from the driver's skill to each component under the hood. A racing engine thermostat isn't just about maintaining a lower temperature; it must endure the relentless demands of high-flow, high-pressure environments that standard parts simply can't handle. MotoRad Spec-R racing thermostats are engineered to offer rapid response and precise temperature control under extreme conditions, allowing optimal engine performance without compromise. They are manufactured to provide durability, withstand intense vibrations, and maintain reliability at every stage, ensuring that racers get consistent performance, lap after lap. Run your vehicle with maximum cooling efficiency; select the Spec-R racing thermostat best suited to your vehicle's needs. Features: * Black oxide coating for high temperature tolerance, corrosion resistance and life-long durability * Lower than OE opening temperature for cooler engine operation, resulting in more power * Specially formulated Spec R heat element mixture for faster response time * Proprietary gasket composition to withstand high-pressure/high performance cooling systems Note: Gaskets/seals may or may not be included.

Not Yet Reviewed

$23.99

Brothers Trucks Defrost Vents

Holley Classic Trucks offers defrost vents for a variety of trucks and SUVs from the 1980s and '90s. Decades of heat and sun can cause plastic interior pieces of your square body to become brittle, faded, and break. These replacement vents are identical to the OE covers for a stock fit and appearance. They're made with new tooling and include factory mounting points for an easy installation. The vents fit both the left and right side.

5.0 out of 5 stars ( 1 )

$20.55

Hayden Fluid Cooler Mounting Kits

These Hayden Automotive fluid cooler mounting kits are designed for mounting a transmission cooler. They come available in either plastic or steel and include all necessary mounts and hardware.

4.43 out of 5 stars ( 7 )

$20.99

$22.99

Flowtech Chevrolet Air Conditioning Brackets

Flowtech Chevrolet air conditioning brackets are precision-engineered to help you easily install your Chevy headers.

4.2 out of 5 stars ( 5 )

$49.95

Modal Header