1978 Mercedes S Class A/C & Heating Parts
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Four Seasons®A/C CompressorMercedes S Class 1978, A/C Compressor by Four Seasons®. Compatible with R134a Refrigerants. 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...All compressors go through sophisticated testing and leak test processesIncludes specific electrical connector to eliminate splicing$147.51 - $415.35 - Four Seasons®A/C Compressor KitMercedes S Class 3.0L 1978, A/C Compressor 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 with Four...OE style molded connectorsPrecision engineered$411.51 - $510.15
- Four Seasons®A/C Compressor ClutchMercedes S Class with Factory Compressor Type A6 1978, A/C Compressor Clutch by Four Seasons®. OE Design. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$118.49
- gpd®A/C CompressorMercedes S Class 3.0L 1978, A/C Compressor by gpd®. Want to keep your vehicle performing reliably? Then premium gpd aftermarket auto parts are right up your alley. They are manufactured from superior-quality materials and feature solid...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$261.21 - $744.05
- ACDelco®Gold™ Remanufactured A/C Compressor with ClutchMercedes S Class 1978, Gold™ Remanufactured A/C Compressor with Clutch by ACDelco®. Number of Grooves: 1. Keep your cool in hot-weather driving with affordable ACDelco Professional Air Conditioning Compressors. Built to fit some of...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$201.53 - $243.70
- URO Parts®HVAC Blower Motor with Fan CageMercedes 280SE / 300SD / 450SEL 1978, HVAC Blower Motor with Fan Cage by URO Parts®. With Fan Cage. To keep your vehicle operating at its max, replace your cracked or worn out HVAC part with this superior URO component to optimize your...Designed to replace the original part in your HVAC systemHelps to optimize HVAC system to its proper performance$193.85
- Santech®A/C CompressorMercedes S Class 3.0L 1978, A/C Compressor by Santech®. Make your beloved vehicle perform reliably, efficiently, and smoothly again with this top-grade A/C component from Santech. Designed to fit, form, and function just like the OEM,...Premium parts you can rely onDesigned to keep your A/C system in top shape$300.87
- gpd®A/C Expansion ValveMercedes S Class 3.0L 1978, A/C Expansion Valve by gpd®. With Flare Fittings. The expansion valve/orifice tube is designed to slow the refrigerant before the evaporator. This process makes the most of the refrigerant’s cooling...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$16.71
- Four Seasons®A/C Expansion ValveMercedes 280SE / 300SD / 450SEL 1978, A/C Expansion Valve by Four Seasons®. With Flare Fittings. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C experience, fix it...OEM ReplacementBrass/Copper Design$23.16
- Four Seasons®A/C Receiver DrierMercedes S Class 1978, A/C Receiver Drier by Four Seasons®. With Bracket. 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 with...Premium parts you can rely onDesigned to keep your A/C system in top shape$23.61 - $26.32
- gpd®A/C Receiver DrierMercedes S Class 3.0L 1978, A/C Receiver Drier by gpd®. The accumulator/receiver drier is designed to remove moisture from the A/C system. Every time the A/C system is opened, the accumulator/receiver drier must be replaced. Changing...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$15.92
- Four Seasons®A/C Evaporator CoreMercedes S Class 1978, A/C Evaporator Core by Four Seasons®. Size: 14 3/4" X 7" X 3". 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...Application specific designContains gaskets, o-rings to properly replace the product$154.44
- Dayco®Molded Heater HoseMercedes 450SEL 4.5L 1978, Molded Heater Hose by Dayco®. Location: Heater Hose. Are you shivering behind the wheel in the winter, or sweating in traffic in the summer? Do you detect the sweet smell of antifreeze in the cabin or see...Premium parts you can rely onDesigned to keep your A/C system in top shape$19.44
- URO Parts®HVAC Heater HoseMercedes S Class 1978, HVAC Heater Hose by URO Parts®. Position: Passenger Side. Location: Heater Core to Return Pipe. To keep your vehicle operating at its max, replace your cracked or worn out HVAC part with this superior URO...Designed to replace the original part in your HVAC systemHelps to optimize HVAC system to its proper performance$19.10
- URO Parts®HVAC Blower Motor CaseMercedes 450SEL 4.5L 1978, HVAC Blower Motor Case by URO Parts®. To keep your vehicle operating at its max, replace your cracked or worn out HVAC part with this superior URO component to optimize your HVAC system and stay cool or warm...Designed to replace the original part in your HVAC systemHelps to optimize HVAC system to its proper performance$39.31
- URO Parts®A/C Expansion ValveMercedes 280SE / 300SD / 450SEL with Factory Rotary Compressor 1978, A/C Expansion Valve by URO Parts®. Flared Style. Location: At Evaporator. To keep your vehicle operating at its max, replace your cracked or worn out HVAC part with...Designed to replace the original part in your HVAC systemHelps to optimize HVAC system to its proper performance$18.51
- Genuine®HVAC Control SwitchMercedes S Class with Climate Control 1978, HVAC Control Switch by Genuine®. On/Off Rocker. If your A/C and heating parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand...Designed to restore your vehicle’s HVAC systemGenuine OE replacement parts from the OE manufacturer$29.89
- ACM®Automatic Temperature Control SwitchMercedes 280SE / 300SD / 450SEL 1978, Automatic Temperature Control Switch by ACM®. With 2 Spade Terminals On Short Pigtail. Rely on premium ACM replacement automotive parts to enjoy a comfortable driving experience, no matter how long...Ideal solution for fast and easy repairCrafted from top-grade materials and the latest equipment$30.00
- UAC®A/C System Seal KitMercedes 280SE / 300SD / 450SEL 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...Helps maintain a desired temperature inside your carMade of durable materials$13.60
- UAC®A/C System Valve Core and Cap KitMercedes 280SE / 300SD / 450SEL 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...Helps maintain a desired temperature inside your carMade of durable materials$5.28
- Four Seasons®A/C System O-Ring and Gasket KitMercedes 280SE / 300SD / 450SEL 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...All the seals needed to complete the jobCompatible with both R12 and R134a refrigerants$10.83
- Four Seasons®A/C System Valve Core and Cap KitMercedes 280SE / 300SD / 450SEL 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...All the seals needed to complete the jobCompatible with both R12 and R134a refrigerants$12.89
- gpd®A/C System O-Ring and Gasket KitMercedes S Class 3.0L 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$5.41 - $8.38
- gpd®A/C System Valve Core and Cap KitMercedes S Class 3.0L 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...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$4.17
- Santech®A/C In-Line Filter KitMercedes 280SE / 300SD / 450SEL 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...Designed as a direct, bolt-on replacement for your original A/C partExcellent solution to restore dependable, enjoyable, and worry-free ride$57.07
- Santech®A/C Line O-RingMercedes S Class 1978, A/C Line O-Ring by Santech®. Make your beloved vehicle perform reliably, efficiently, and smoothly again with this top-grade A/C component from Santech. Designed to fit, form, and function just like the OEM, this...Designed to keep your A/C system in top shapeThe finest quality at a great price$0.33 - $56.26
- Four Seasons®A/C Compressor Wiring HarnessMercedes S Class 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 operation. Backed by over 50 years of mobile...OE style connectorsMolded plastic construction$8.89
- Four Seasons®Harness Connector AdapterMercedes S Class 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 it once and fix it right with Four...Precision moldedOE style connectors$9.42 - $10.31
- gpd®A/C Compressor Cut-Out SwitchMercedes S Class 3.0L 1978, A/C Compressor Cut-Out Switch by gpd®. Low Pressure. With 2 Prongs. Location: Accumulator Mounted. The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$4.69
- Dorman®HVAC Clutch Coil ConnectorMercedes 280SE / 300SD / 450SEL with Frigidaire Compressor 1978, HVAC Clutch Coil Connector by Dorman®. Non-Weatherpack Style. Type: Blade Female Terminal. Wire Quantity: 2. Overall Length: 7". Non-Weatherpack Style. Dorman offers a...Direct replacement A/C Clutch Coil Connectors available (where applicable) to ensure a proper fitVehicle try-on testing has been conducted on this part to ensure a trouble-free performance$8.62
Shop By Service Type
- Blower Motor Replacement
- A/C Evaporator Replacement
- Heater Hose Replacement
- A/C Control Module Replacement
- A/C Compressor Clutch Replacement
- A/C Expansion Valve Replacement
- A/C Compressor Replacement
- A/C High Pressure Switch Replacement
- A/C Receiver Drier Replacement
- A/C Refrigerant Pressure Sensor Replacement
- A/C Fan Control Module Replacement
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