1978 Cadillac Eldorado A/C & Heating Parts
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UAC®HVAC Pressure SwitchCadillac Eldorado 1978, HVAC Pressure Switch by UAC®. Low Pressure. Location: Compressor High Side. UAC’s line of electrical components includes the Switches and Relays that are necessary for the proper function of an A/C System. They...Helps maintain a desired temperature inside your carMade of durable materials$13.47 - Four Seasons®A/C System O-Ring and Gasket KitCadillac Eldorado 1978, A/C System O-Ring and Gasket Kit 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 it once and fix it right...All the seals needed to complete the jobCompatible with both R12 and R134a refrigerants$7.12
- Four Seasons®A/C System Valve Core and Cap KitCadillac Eldorado with R-12 or R-134A Retrofit System 1978, A/C System Valve Core and Cap Kit by Four Seasons®. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...All the seals needed to complete the jobCompatible with both R12 and R134a refrigerants$10.69
- UAC®A/C System Seal KitCadillac Eldorado 1978, A/C System Seal Kit by UAC®. UAC’s line of hose components includes the adapters, fittings and seals that are necessary for the proper function of an A/C System. They are produced at top tier facilities with...Helps maintain a desired temperature inside your carMade of durable materials$7.15
- UAC®A/C System Valve Core and Cap KitCadillac Eldorado 1978, A/C System Valve Core and Cap Kit by UAC®. UAC’s line of hose components includes the adapters, fittings and seals 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$5.26
- Four Seasons®System Mounted Low Cut-Out Pressure SwitchCadillac Eldorado 1978, System Mounted Low Cut-Out Pressure Switch by Four Seasons®. With Round Connector Shape. Location: To Compressor. Type: 2 Terminals. Finish: Black/Yellow. Cap Only. Products are engineered and tested to provide...Contains gaskets, o-rings, or seals to properly replace the productColor coded for easy identification$20.22
- gpd®A/C System O-Ring and Gasket KitCadillac Eldorado 1978, A/C System O-Ring and Gasket Kit by gpd®. Rapid Seal Kits include a direct replacement of all O-rings in a vehicle's A/C system. This saves time and money because every O-ring needed is in one convenient kit....Designed to meet/exceed OE fit, form and functionDurability tested on every new design$2.57 - $3.92
- ACDelco®Gold™ A/C Orifice TubeCadillac Eldorado 1978, Gold™ A/C Orifice Tube by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.47 - $60.41Save: 15%$5.50 - $51.36
- gpd®A/C System Valve Core and Cap KitCadillac Eldorado 1978, A/C System Valve Core and Cap Kit by gpd®. Rapid Seal Kits include a direct replacement of all O-rings in a vehicle's A/C system. This saves time and money because every O-ring needed is in one convenient kit....Designed to meet/exceed OE fit, form and functionDurability tested on every new design$3.01
- Four Seasons®A/C Orifice TubeCadillac Eldorado 1978, A/C Orifice Tube by Four Seasons®. Quantity: 1 Piece. 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...Application specific designColor coded$1.31 - $11.30
- Four Seasons®A/C Compressor Cut-Out SwitchCadillac Eldorado 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 ConnectorCadillac Eldorado 1978, A/C Compressor Cut-Out Switch Harness Connector by Four Seasons®. With Round Connector Shape. Location: To Compressor. Type: 2 Terminals. Products are engineered and tested to provide years of trouble free...OE style connectorsMolded plastic construction$8.95 - $13.93
- Four Seasons®Harness Connector AdapterCadillac Eldorado 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,...Precision moldedOE style connectors$9.19 - $9.91
- gpd®A/C Compressor Cut-Out SwitchCadillac Eldorado 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,...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$14.25
- gpd®A/C Thermo SwitchCadillac Eldorado 1978, A/C Thermo Switch by gpd®. 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 directly...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$17.71
- Standard®A/C Compressor Control RelayCadillac Eldorado 1978, A/C Compressor Control Relay by Standard®. With Bracket. Type: 4 Blade Male Terminal. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...Premium parts you can rely onDesigned to keep your A/C system in top shape$31.02
- ACDelco®Professional™ A/C Orifice Tube Repair KitCadillac Eldorado 1978, Professional™ A/C Orifice Tube Repair Kit by ACDelco®. Without Tube, Without Spring Lock. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$34.45Save: $5.18 (15%)$29.27
- UAC®A/C System O-Ring and Gasket KitCadillac Eldorado 1978, A/C System O-Ring and Gasket Kit by UAC®. UAC’s line of hose components includes the adapters, fittings and seals 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$7.25
- UAC®A/C Orifice TubeCadillac Eldorado 1978, A/C Orifice Tube by UAC®. With Fixed Orifice. Expansion devices control the flow of refrigerant in an A/C system, and are a crucial replacement part for every A/C job. UAC's Expansion Devices are meticulously...Helps maintain a desired temperature inside your carMade of durable materials$0.58 - $4.55
- gpd®A/C Orifice TubeCadillac Eldorado 1978, A/C Orifice Tube by gpd®. Finish: White. The expansion valve/orifice tube is designed to slow the refrigerant before the evaporator. This process makes the most of the refrigerant’s cooling capability. gpd...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$0.96
- SKF®A/C Compressor Clutch BearingCadillac Eldorado 1978, A/C Compressor Clutch Bearing by SKF®. If you’re looking for premium-quality replacement automotive parts to keep your vehicle performing reliably, you can’t go wrong with superior-grade SKF products. Made...Ideal solution to make your vehicle perform as it shouldMade from high-strength materials for exceptional durability$28.34
- Four Seasons®A/C Compressor Wiring HarnessCadillac Eldorado 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 RelayCadillac Eldorado 1978, HVAC Blower Motor Relay by Four Seasons®. With Rectangle Connector Shape. Type: 4 Terminals. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...Precision engineeredOE style molded connectors$17.28 - $26.10
- gpd®A/C Clutch Cycle SwitchCadillac Eldorado 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
- Dorman®HVAC Relay ConnectorCadillac Eldorado 1978, HVAC Relay Connector by Dorman®. Type: Blade Female Terminal. Wire Quantity: 5. Overall Length: 9". Dorman offers a comprehensive line of A/C Relay Connectors for a wide range of applications. All A/C Relay...Direct replacement A/C Relay Connectors available (where applicable) to ensure a proper fitVehicle try-on testing has been conducted on this part to ensure a trouble-free performance$8.31
- WVE®A/C Compressor Clutch Relay ConnectorCadillac Eldorado 1978, A/C Compressor Clutch Relay Connector by WVE®. With 3 Terminals. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$4.35
- WVE®A/C Compressor Switch ConnectorCadillac Eldorado 1978, A/C Compressor Switch Connector by WVE®. Terminal Quantity: 2. Terminal Type: Pin. Length: 6.5". Terminal Gender: Male. Replace your worn-out or faulty component with this quality replacement from WVE. This...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$15.32
- WVE®HVAC Blower Motor Resistor ConnectorCadillac Eldorado 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 and tested to ensure the...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$8.28
- Four Seasons®A/C Evaporator Core Repair KitCadillac Eldorado 1978, A/C Evaporator Core Repair Kit by Four Seasons®. Run Length: 4"-1/2". 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...Application specific designCore design meets or exceeds OE performance and efficiency$13.62 - $13.63
- Santech®A/C In-Line Filter KitCadillac Eldorado 1978, A/C In-Line Filter Kit by Santech®. With Fittings and Filters. Make your beloved vehicle perform reliably, efficiently, and smoothly again with this top-grade A/C component from Santech. Designed to fit, form,...Designed as a direct, bolt-on replacement for your original A/C partExcellent solution to restore dependable, enjoyable, and worry-free ride$57.07
Shop By Service Type
- Heater Core Replacement
- A/C Accumulator Replacement
- Blower Motor Replacement
- A/C Compressor Clutch Replacement
- Heater Hose Replacement
- A/C Compressor Relay Replacement
- Heater Control Valve Replacement
- A/C Compressor Replacement
- Blower Motor Relay Replacement
- A/C High Pressure Switch Replacement
- A/C Clutch Cycling Switch Replacement
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