1978 Chevrolet K20 Cooling and Climate Controls

Essential 1978 Chevrolet K20 Cooling and Climate Controls

Carquest Premium – Heater Core (Part No.399077)

Heater Core

from

$52.99
Carquest Premium offers a complete line of automotive heater cores covering 94% of all North American vehicle applications. Carquest Premium provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability. Carquest Premium offers certified heater cores that meet or exceed OE specifications and are all fitment checked in the actual vehicle’s HVAC heater module and are, thus, ready to be installed right out of the box for a “Drop-In Fit”. Carquest Premium heater cores are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.

Product Features:
  • All heater cores are designed and tested to match or exceed OE specifications for form, fit and performance with a clear focus on obtaining the highest heat transfer performance possible through use of quality materials and manufacturing processes to ensu
  • Carquest Premium heater cores are engineered and manufactured under ISO TS16949 quality systems and are 100% leak tested.
  • Provides value in several ways, including increased thermal performance and resistance to corrosion using enhanced design features, such as the latest fin and tube technology and design standardization for maximum availability.
  • Carquest Premium offers a complete line of automotive heater cores covering 94% of all North American vehicle applications.
  • Our advanced engineering methods coupled with our innovative manufacturing technology provides products to the aftermarket that meet or exceed form, fit, and function of OEM Parts
See More

ACDelco – Professional Water Pumps (Part No.G3000584287ACD)

Professional Water Pumps

from

$95.55
ACDelco Professional Water Pumps are the best way to make sure you have the proper heat protection for the engine in your car, truck or SUV. Built to meet the latest manufacturer-specified designs, ACDelco Water pumps, in both cast-iron and aluminum, are thoroughly pressure-tested to prevent leaks, and feature uniform wall sections and smooth coolant-flow cavities for efficient operation and superior engine protection. High-quality bearings, heat-treated impellers and coated seals mean long life and trouble-free ownership.

Product Features:
  • Original equipment design and quality
  • 100% new with no remanufactured parts
  • High quality cast housing
  • Advanced bearing design for high axial and radial stresses
  • Advanced sealing technology
  • Optimum cooling performance and longevity
See More

Factory Air – Reman GM Frigidaire/Harrison A6 Clutch Assembly w/ Coil (Part No.48284)

Reman GM Frigidaire/Harrison A6 Clutch Assembly w/ Coil

from

$119.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • All mounting hardware included
  • All pulleys and hubs are machined and trued to ensure an even surface
  • Twelve point hub weld
  • Coated to prevent corrosion
See More

ARP Auto Racing – For Use With All V8 Chevy, Hex Style Head Type, Black Oxide, Chrome Moly (Part No.130-3202)

For Use With All V8 Chevy, Hex Style Head Type, Black Oxide, Chrome Moly

from

$17.99
ARP timing cover bolts are available in both polished stainless steel or black oxide finish chrome moly. You also can choose between standard hex head bolts or compact 12 point fasteners. Also available as part of ARP complete engine and accessory kits. Studs are preferred by many pro engine builders because they eliminate the chance of pinching gaskets and contribute to easier engine assembly. You will note that ARP studs feature a special bullet nose to guide the nut accurately into place. Available in black oxide finish 8740 chrome moly or polished stainless steel with hex or 12 point nuts. Alternators that come loose are a pain, so that is why ARP came up with these super tough bolts. The stainless has the added advantage of being rust and corrosion resistant. it is the fastener of choice.

Product Features:
  • Made From Black Oxide Finished 8740 Chrome Moly Or Corrosion Resistant Stainless Steel
  • Nominally Rated At 170,000 PSI Tensile Strength
  • Made In USA
  • Sold As A Kit
See More

National – Bearings (Part No.SCE-108)

Bearings

from

$6.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.

Product Features:
  • Premium bearing design matches OEM specifications
  • Precision manufactured using premium-grade steel for outstanding durability and performance
  • Available in both caged design and full complement
  • Industry leading coverage
  • Professional technicians know they can depend on National
See More

Carquest Premium – A/C Compressor Clutch Relay Connector (Part No.PTA1269)

A/C Compressor Clutch Relay Connector

from

$5.29
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – Engine Coolant Temperature Sending Unit Switch Connector (Part No.PTA1217)

Engine Coolant Temperature Sending Unit Switch Connector

from

$5.29
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Designed for the OE distributor as a direct replacement part
See More

Autopart International Inc – Blower Motor (Part No.R20312068846API)

Blower Motor

from

$96.37
Blower Motor

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 90 Degree Neck Angle (Part No.902-2052)

Coolant Housing/Water Outlet: With Housing and Gasket, 90 Degree Neck Angle

from

$23.99
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.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Factory Air – Green Round O-Ring (Part No.24650)

Green Round O-Ring

from

$1.99
Made from HNBR material; Compatible with R12 And R134A; High quality construction; Universal applications
See More

Imperial – Electric Fan – 14" Diameter (Part No.226114)

Electric Fan - 14" Diameter

from

$99.99
Product Features:
  • Motors built and tested to quality specifications
  • 14 in. universal fit reversible fan
  • 1250 CFM
  • UNIVERSAL fan, NOT a direct OE replacement. Measure core and verify space.
See More

Imperial – Adjustable Thermostatic Fan Control (Part No.226204)

Adjustable Thermostatic Fan Control

from

$55.99
Adjustable Thermostatic Fan Control. 160-210°F; push-in probe. Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160-210°F push-in probe
  • For use with Imperial electric fans
  • Probe installs into radiator fins
See More

ACDelco – Engine Coolant Temperature Sensor (Part No.G1852)

Engine Coolant Temperature Sensor

from

$35.99
ACDelco Professional Engine Coolant Temperature Sender is a high quality aftermarket replacement component for one or more of the following vehicle systems: ignition, and/or engine fuel management. This premium aftermarket sender is manufactured to meet or exceed your expectations for fit, form, and function.

Product Features:
  • Professional, premium aftermarket replacement
  • Provides the performance and dependability you expect from ACDelco
  • Manufactured to meet expectations for fit, form, and function
See More

Carquest Premium – Radiator Cap: 16 PSI (Part No.10331)

Radiator Cap: 16 PSI

from

$16.79
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.

Product Features:
  • Safety lever to vent coolant pressure before removal
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
See More

Carquest Premium – Vacuum Non-Bypass Closes Heater Valve (Part No.74612)

Vacuum Non-Bypass Closes Heater Valve

from

$15.79
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Temperature tested to 270 degrees F
  • Pressure tested to ensure leak free design
  • Vacuum controlled
  • Application specific design
See More

Edelbrock – Engine Water Pump Gasket Set for Chevy Big-Block (Part No.7252)

Engine Water Pump Gasket Set for Chevy Big-Block

from

$14.99
Edelbrock #7252 Engine Water Pump Gasket Set #7252 Chevy Big Block. Is it time to rebuild your Edelbrock mechanical water pump? No problem– these Edelbrock water pump gaskets will keep your water pump leak-free. They are manufactured from quality materia

Product Features:
  • Composite Material
  • 2-Pump To Block
  • 1-Back Plate-To-Water Pump
  • O-Ring
  • For BB Chevy
See More

Felpro – Engine Coolant Thermostat Housing Gasket (Part No.35356)

Engine Coolant Thermostat Housing Gasket

from

$4.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Felpro – Engine Water Pump Gasket (Part No.13032)

Engine Water Pump Gasket

from

$2.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
See More

Carquest Premium – HVAC Blower Motor Resistor Connector (Part No.PTA1284)

HVAC Blower Motor Resistor Connector

from

$10.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
See More

Carquest Premium – A/C Compressor Cut-Out Switch (Part No.ACA1257)

A/C Compressor Cut-Out Switch

from

$30.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
See More

Mr. Gasket – Chrome Plated Steel Water Pump Pulley (Part No.4974)

Chrome Plated Steel Water Pump Pulley

from

$59.19
Replace your stock black engine pulleys with a pair of chrome plated steel pulleys from Mr. Gasket. The pulleys are highly polished then chrome plated for lasting beauty. Designed for small and big block Chevrolet engines with 5/8 inch water pump shaft.

Product Features:
  • Highly Polished For Lasting Beauty
See More

Felpro – Engine Coolant Thermostat Housing Gasket (Part No.13224)

Engine Coolant Thermostat Housing Gasket

from

$1.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
See More

Dorman – Electrical Harness – 2-Wire GM A/C Clutch with Diode (Part No.85143)

Electrical Harness - 2-Wire GM A/C Clutch with Diode

from

$11.99
This HVAC clutch coil connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this HVAC clutch coil connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
See More

Motorad – Thermostat Kit: Includes Housing, Thermostat and Gasket, 195 Degrees (Part No.4899KT)

Thermostat Kit: Includes Housing, Thermostat and Gasket, 195 Degrees

from

$15.99
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.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
See More

Carquest Standard – Reman GM R4 Heavy Compressor w/ Clutch (Part No.DW57229)

Reman GM R4 Heavy Compressor w/ Clutch

from

$239.99
Carquest Standard compressors offer reliable, long-lasting performance for a leak-free, dependable repair.

Product Features:
  • Built in a TS16949 certified manufacturing environment to ensure consistent quality that meets or exceeds OE specifications for fit, form, function and durability
  • All remanufactured compressors are built using the latest compressor technology available today and using strict remanufacturing processes
  • All units have new seals, O-rings, gaskets and clutch bearings
  • Tested for noise, vibration, durability, vacuum decay and pressure decay to ensure no leaks and longer life
See More

Carquest Premium – AC Pressure Switch (Part No.ACA1315)

AC Pressure Switch

from

$20.99
The Premium CarQuest Vehicle Solutions line of vehicle electronics are designed for OE form, fit and function for both import and domestic vehicles. The A/C Pressure Switch monitors system pressures, aiding in proper and efficient control of the compressor, fans and system levels. An improperly functioning A/C Pressure Switch will provide erratic or inaccurate actuation and operation, severely affecting system performance and function. Without reliable and accurate actuation from a properly functioning A/C Pressure Switch, critical components and the system as a whole are left unregulated and unprotected which can lead to excessive wear and tear on critical components and costly system damage.

Product Features:
  • Designed and manufactured with high quality materials, industry leading electronic components and strict quality controls. Engineered to meet or exceed OE performance and to meet the uncompromising demands of service professionals.
  • Direct fit replacement matches proper OE fit, form, and function and ensures trouble free installation of your A/C Pressure Switch.
  • All units are tested using advanced end-of-line equipment that pressurize the A/C Pressure Switch, confirm proper calibration and functionality, and check for leaks to ensure each A/C Pressure Switch meets manufacturing specifications before packaging.
See More

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.433161)

Radiator: With Transmission Oil Cooler

from

$201.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle¿s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
See More

Carquest Premium – Radiator: With Engine And Transmission Oil Coolers (Part No.431361)

Radiator: With Engine And Transmission Oil Coolers

from

$152.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle’s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
See More

1978 Chevrolet K20 Cooling and Climate Controls

You count on your 1978 Chevrolet K20 to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Cooling and Climate Controls. With 168 Cooling and Climate Controls ranging in price from $1.29 to $478.99, you’re sure to find everything you need for your 1978 Chevrolet K20.

Brands matter. If you want to shop a specific Cooling and Climate Controls brand, we stock 23 different brands like Carquest Premium, Permatex, and Felpro. 1978 Chevrolet K20 Cooling and Climate Controls start as low as $1.29!

One of the best ways to find top quality OEM or aftermarket Cooling and Climate Controls is by asking professionals. Short of that, you can shop with confidence thanks to our 21,066 extensive product reviews on 1978 Chevrolet K20 Cooling and Climate Controls. Some of the top-rated Cooling and Climate Controls products we carry are Engine Coolant Outlet Gasket with 4.8 stars and A/C White Orifice Tube with 4.7 stars.

Did we mention you can order your Cooling and Climate Controls from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Cooling and Climate Controls inventory for your 1978 Chevrolet K20 below to get started!

Top-Rated Cooling and Climate Controls Brands For Your 1978 Chevrolet K20

Trusted Cooling and Climate Controls OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 1978 Chevrolet K20 running right for years to come. In our inventory you’ll find brands like Carquest Premium, Permatex, Felpro, and even more.

Popular Flex A Lite Cooling and Climate Controls

You’ll find popular Flex A Lite brand products across Engine Cooling Parts. All are waiting to get your 1978 Chevrolet K20 back on the road. Some of the top-rated Flex A Lite products in these categories are:
Belt-Driven Fan Spacer Kit
from $22.99
(1)
Belt-Driven Fan Spacer Kit
Radiator Fan Spacers

Top-Rated Carquest Premium Cooling and Climate Controls


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Cooling and Climate Controls for your 1978 Chevrolet K20, and some of our most reviewed Carquest Premium parts include:
Radiator Cap: 16 PSI
from $9.79
(260)
Radiator Cap: 16 PSI
Radiator Caps
Blower Motor: With Wheel
from $34.99
(116)
Blower Motor: With Wheel
Blower Motors
Standard Thermostat: 195 Degrees
from $9.99
(107)
Standard Thermostat: 195 Degrees
Thermostats

FAQs for 1978 Chevrolet K20 Cooling and Climate Controls

What are the most purchased Cooling and Climate Controls for the 1978 Chevrolet K20?

Out of 168 Cooling and Climate Controls for the 1978 Chevrolet K20, the most popular in our inventory are:
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(288)
Water Pump & Thermostat RTV Silicone Gasket Maker, 0.5 OZ
Engine Water Pump Inlet Pipe Gaskets
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
from $11.49
(95)
Sensor-Safe, High-Torque RTV Silicone Gasket Maker
Water Pump Housing Gaskets
Engine Water Pump Gasket
from $2.99
(68)
Engine Water Pump Gasket
Water Pump Gaskets

What are the top-rated 1978 Chevrolet K20 Cooling and Climate Controls?

Top-rated Cooling and Climate Controls for your 1978 Chevrolet K20 based on customer reviews/ratings are:
Engine Coolant Outlet Gasket
from $3.99
(100)
Engine Coolant Outlet Gasket
“Perfect fit”
A/C White Orifice Tube
from $2.99
(97)
A/C White Orifice Tube
“Good”
Severe Temp Automatic Adjusting Orifice Tube
from $15.99
(97)
Severe Temp Automatic Adjusting Orifice Tube
“Perfect fit in my f150. Works great.”