1978 Buick Regal A/C Relays, Sensors & Switches
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Four Seasons®System Mounted Low Cut-Out Pressure SwitchBuick Regal 1978, System Mounted Low Cut-Out Pressure Switch by Four Seasons®. With Round Connector Shape. Location: To Compressor. Type: 2 Terminals. Finish: Black/Green. Products are engineered and tested to provide years of trouble...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$25.65 - UAC®HVAC Pressure SwitchBuick Regal 1978, HVAC Pressure Switch by UAC®. System Mounted LPCO. UAC’s line of electrical components includes the Switches and Relays that are necessary for the proper function of an A/C System. They are produced at top tier...Helps maintain a desired temperature inside your carMade of durable materials$7.04
- Four Seasons®A/C Clutch Cycle SwitchBuick Regal 1978, A/C Clutch Cycle Switch by Four Seasons®. Finish: Black. 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 productPrecision engineered$22.61
- Standard®HVAC Blower Control SwitchBuick Regal without A/C 1978, HVAC Blower Control Switch by Standard®. Front. Type: 4 Blade Male Terminal. Number Of Switch Positions: 4. Standard is to be the leading independent supplier to the automotive aftermarket, providing the...Standard switches are designed using copper alloy conductors to ensure superior electrical conductivity with low resistive lossesStandard parts are 100% tested to verify both mechanical and electrical switching performance$20.55
- Four Seasons®HVAC Pressure SwitchBuick Regal 1978, HVAC Pressure Switch by Four Seasons®. With Connector. Location: To Compressor. Type: 2 Terminals. Finish: Blue. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$29.87
- Dorman®HVAC Blower Motor Resistor ConnectorBuick Regal with A/C and without Automatic Temperature Control 1978, HVAC Blower Motor Resistor Connector by Dorman®. Type: Blade Female Terminal. Wire Quantity: 4. Overall Length: 5.5". Dorman’s Blower Motor Resistor promptly returns...Simply plugs into the blower motor resistor for ease of installationUniquely available in a kit that includes the blower motor resistor, an essential component of most repairs$8.54
- gpd®A/C Compressor Cut-Out SwitchBuick Regal 1978, A/C Compressor Cut-Out Switch by gpd®. Low Pressure. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$14.25
- Four Seasons®A/C Compressor Cut-Out SwitchBuick Regal 1978, A/C Compressor Cut-Out Switch by Four Seasons®. High Pressure Compressor Mounted. Without Connector. Type: 2 Terminals. Finish: Blue. Products are engineered and tested to provide years of trouble free operation....Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$15.77
- Four Seasons®A/C Compressor Cut-Out Switch Harness ConnectorBuick Regal 1978, A/C Compressor Cut-Out Switch Harness Connector by Four Seasons®. High and Low Pressure. With Round Connector Shape. Location: To Compressor. Type: 2 Terminals. Finish: Blue/Red/White. Products are engineered and...OE style connectorsMolded plastic construction$13.93
- Four Seasons®Harness Connector AdapterBuick Regal with A6 Compressor / with R4 Compressor 1978, Harness Connector Adapter by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix...Precision moldedOE style connectors$9.19 - $9.91
- Four Seasons®Lever Selector Blower SwitchBuick Regal 1978, Lever Selector Blower Switch by Four Seasons®. With Rectangle Connector Shape. Type: 4 Terminals. With Lever. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of...Vehicle specific applicationsZinc coated to resist corrosion$15.85
- Standard®A/C Compressor Control RelayBuick Regal 1978, A/C Compressor Control Relay by Standard®. With Bracket. Type: 5 Blade Male Terminal. Amperage Rating: 30 A. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest...High quality composite housings protect against harsh temperatures and severe under hood conditionsFeaturing brass or copper contacts where specified for extended wear$30.07
- Standard®HVAC Blower Motor ConnectorBuick Regal 1978, HVAC Blower Motor Connector by Standard®. Type: 4 Blade Female Terminal. Finish: Black. Wire Quantity: 4. Harness Length: 6 1/2". Standard is to be the leading independent supplier to the automotive aftermarket,...Offering hundreds of high-quality pigtails and sockets for nearly every electrical jobUtilizing high grade materials to ensure peak conductivity and perfect connections$19.19
- WVE®A/C Compressor Control RelayBuick Regal 1978, A/C Compressor Control Relay by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$16.68 - $27.26
- ACDelco®Gold™ A/C Compressor ConnectorBuick Regal 1978, Gold™ A/C Compressor Connector by ACDelco®. High Pressure. With Round Connector Shape. Type: 2 Pressure Contact Terminal. Finish: Black. Designed utilizing the latest technology, this product by ACDelco features...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$23.16Save: $3.47 (15%)$19.69
- gpd®A/C Clutch Cycle SwitchBuick Regal 1978, A/C Clutch Cycle Switch by gpd®. Location: Accumulator Mounted. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$9.13
- gpd®HVAC Blower RelayBuick Regal 1978, HVAC Blower Relay by gpd®. Finish: Silver. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$7.24
- Four Seasons®A/C Compressor Wiring HarnessBuick Regal with A6 Compressor / with R4 Compressor 1978, A/C Compressor Wiring Harness by Four Seasons®. With 2 Spade Rectangle Connector. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free...OE style connectorsMolded plastic construction$7.70
- Four Seasons®HVAC Blower Motor Resistor HarnessBuick Regal with A/C 1978, HVAC Blower Motor Resistor Harness by Four Seasons®. Type: 4 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it...Molded plastic constructionOE style connectors$8.77
- Four Seasons®HVAC Blower Relay Harness ConnectorBuick Regal 1978, HVAC Blower Relay Harness Connector by Four Seasons®. With 3 Hole Mounting Bracket. Type: 5 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile...OE style connectorsMolded plastic construction$14.95
- Four Seasons®HVAC Blower Switch ConnectorBuick Regal 1978, HVAC Blower Switch Connector by Four Seasons®. Front. With Lever. Type: 4 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix...OE style connectorsMolded plastic construction$25.05
- Standard®A/C Selector SwitchBuick Regal 1978, A/C Selector Switch by Standard®. With Rotary. Type: 4 Blade Male Terminal. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...Standard switches are designed using copper alloy conductors to ensure superior electrical conductivity with low resistive lossesStandard parts are 100% tested to verify both mechanical and electrical switching performance$32.67
- Standard®Handypack™ HVAC Blower Motor ConnectorBuick Regal 1978, Handypack™ HVAC Blower Motor Connector by Standard®. Type: 4 Female Terminal. Finish: Black. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...The handypack™ program is the most complete wiring center with 17 assortments available. Featuring application and non-application electrical products, handypack™ has the products and tools needed to get your electrical job done right.Pigtail and Socket Assembly$17.49
- WVE®A/C Compressor Switch ConnectorBuick Regal 1978, A/C Compressor Switch Connector by WVE®. Terminal Quantity: 2. Terminal Gender: Male. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$15.32 - $15.51
- WVE®HVAC Blower Control SwitchBuick Regal with A/C 1978, HVAC Blower Control Switch by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality....Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$14.75
- WVE®HVAC Blower Motor Resistor ConnectorBuick Regal with Manual Temperature Control 1978, HVAC Blower Motor Resistor Connector by WVE®. With 4 Terminals. 4 Wire Harness. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$8.28
- WVE®HVAC Blower Switch ConnectorBuick Regal with A/C 1978, HVAC Blower Switch Connector by WVE®. Black. With 4 Terminals and Female Connector. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$23.48
- gpd®HVAC Blower Motor RelayBuick Regal 1978, HVAC Blower Motor Relay by gpd®. Always make sure electrical components are free of debri and moisture before installing. This top-grade product is expertly made in compliance with stringent industry standards to offer...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$8.94 - $36.27
- Lectric Limited®Air Conditioning RelayBuick Regal USA Built 1978, Air Conditioning Relay by Lectric Limited®. Location: Blower Motor. Made in U.S.A.!. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a...Developed with modern technology and innovationMeticulously Tested for the ultimate in quality$36.00
- OER®Heater Blower Motor Resistor Wire Harness ConnectorBuick Regal 1978, Heater Blower Motor Resistor Wire Harness Connector by OER®. When choosing a parts supplier, choose the name that means quality, Original Equipment Reproduction. Each product is designed and manufactured to duplicate...Factory original quality for lessDirect fit replacement$12.56
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1978 Buick Regal A/C Relays, Sensors Reviews
1 review
Cycling Clutch Sensor
Supercool® - Cycling Pressure SwitchPosted by Jose Manuel (Katy, TX) / June 16, 20201992 Hyundai Sonata
1978 Buick Regal Models
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