1978 Cadillac Commercial Chassis A/C & Heating Parts
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Four Seasons®HVAC Heater CoreCadillac Commercial Chassis With A/C 1978, HVAC Heater Core 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...OE style molded connectorsPrecision engineered$27.05 - gpd®HVAC Blower MotorCadillac Commercial Chassis 1978, HVAC Blower Motor by gpd®. gpd Blower Motor Kits include blower motor with wheel, resistor/module, and pigtail/harness (if equipped). Generally, failure of the individual resistor, pigtail, or blower...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$36.11 - $40.33
- gpd®HVAC Heater CoreCadillac Commercial Chassis 1978, HVAC Heater Core by gpd®. Heater cores transfer heat from the engine's cooling system to the inside of the vehicle. Thermostat housing and water outlets are connections that transfer coolant between...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$37.86
- Four Seasons®A/C CompressorCadillac Commercial Chassis 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...All compressors go through sophisticated testing and leak test processesIncludes specific electrical connector to eliminate splicing$142.05 - $494.92
- Four Seasons®A/C Compressor ClutchCadillac Commercial Chassis 1978, A/C Compressor Clutch by Four Seasons®. All products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of car parts experience, fix it once and fix it right...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$117.19 - $169.98
- Four Seasons®A/C Compressor KitCadillac Commercial Chassis 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...OE style molded connectorsPrecision engineered$360.46 - $382.48
- gpd®A/C Compressor KitCadillac Commercial Chassis with 1 Groove Pulley 1978, A/C Compressor Kit by gpd®. gpd Compressor Kits include, Compressor, Accumulator, Expansion Device, and Rapid Seal Kits(unless otherwise noted). The compressor kit provides the...Designed to meet/exceed OE fit, form, and functionDurability tested on every new design$293.65 - $334.49
- gpd®A/C CompressorCadillac Commercial Chassis 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...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$226.87 - $657.86
- ACDelco®Gold™ A/C Compressor with ClutchCadillac Commercial Chassis with Factory Compressor Type R4 1978, Gold™ A/C Compressor with Clutch by ACDelco®. Metric Threads. Number of Grooves: 1. Keep your cool in hot-weather driving with affordable ACDelco Professional Air...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$372.60Save: $57.19 (15%)$315.41
- ACDelco®Professional™ HVAC Heater HoseCadillac Commercial Chassis 1978, Professional™ HVAC Heater Hose by ACDelco®. Straight. Location: Valve to Engine. Length: 50'. Size: 0.625" x 0.625". Designed utilizing the latest technology, this product by ACDelco features premium...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$70.33Save: $11.21 (16%)$59.12
- gpd®A/C Evaporator CoreCadillac Commercial Chassis 1978, A/C Evaporator Core by gpd®. gpd chemicals are designed to meet OE specifications and standards. Using the correct chemical for your application will ensure proper function. gpd recommends properly...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$76.50
- gpd®A/C AccumulatorCadillac Commercial Chassis 1978, A/C Accumulator 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....Designed to meet/exceed OE fit, form and functionDurability tested on every new design$4.74 - $29.41
- Replace®A/C AccumulatorCadillac Commercial Chassis 1978, A/C Accumulator by Replace®. Designed utilizing the latest technology, this product by Replace features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...CAPA certification provides detailed testing and inspection procedures to ensure the quality of the parts covered by that SpecificationSame quality as OE for less money$43.05 - $78.65
- Four Seasons®A/C Accumulator Tube OutletCadillac Commercial Chassis 1978, A/C Accumulator Tube Outlet by Four Seasons®. Switch Port: without Switch Port. Products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile A/C...Contains gaskets, o-rings, or seals to properly replace the productApplication specific bends ensure proper fit$6.47
- Four Seasons®A/C Accumulator TankCadillac Commercial Chassis 1978, A/C Accumulator Tank 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...Premium parts you can rely onDesigned to keep your A/C system in top shape$18.48
- Four Seasons®A/C System O-Ring and Gasket KitCadillac Commercial Chassis 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...All the seals needed to complete the jobCompatible with both R12 and R134a refrigerants$4.67
- Four Seasons®A/C System Valve Core and Cap KitCadillac Commercial Chassis 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...All the seals needed to complete the jobCompatible with both R12 and R134a refrigerants$10.69
- UAC®A/C System Seal KitCadillac Commercial Chassis 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$5.01
- Four Seasons®System Mounted Low Cut-Out Pressure SwitchCadillac Commercial Chassis 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...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 Commercial Chassis 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...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$1.82 - $4.56
- ACDelco®Gold™ A/C Orifice TubeCadillac Commercial Chassis 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...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 Commercial Chassis 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...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$3.01
- gpd®HVAC Blower Motor RelayCadillac Commercial Chassis with Bosch A/C 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...Designed to meet/exceed OE fit, form and functionDurability tested on every new design$20.01
- Four Seasons®A/C Orifice TubeCadillac Commercial Chassis 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...Application specific designColor coded$1.31 - $11.30
- ACDelco®Professional™ A/C Orifice Tube Repair KitCadillac Commercial Chassis 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...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 Commercial Chassis 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...Helps maintain a desired temperature inside your carMade of durable materials$7.25
- Four Seasons®A/C Compressor Cut-Out SwitchCadillac Commercial Chassis 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...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 Commercial Chassis 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...OE style connectorsMolded plastic construction$8.95 - $13.93
- Four Seasons®Harness Connector AdapterCadillac Commercial Chassis 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...Precision moldedOE style connectors$9.19 - $9.91
- Standard®A/C Compressor Control RelayCadillac Commercial Chassis 1978, A/C Compressor Control Relay by Standard®. Without Bracket. Type: 4 Blade Male Terminal. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality...High quality composite housings protect against harsh temperatures and severe under hood conditionsFeaturing brass or copper contacts where specified for extended wear$16.89
Shop By Service Type
- Heater Core Replacement
- A/C Compressor Clutch Replacement
- Blower Motor Replacement
- A/C Compressor Relay Replacement
- Heater Hose Replacement
- A/C Compressor Replacement
- Blower Motor Relay Replacement
- A/C Evaporator Replacement
- A/C Clutch Cycling Switch Replacement
- A/C High Pressure Switch Replacement
- A/C Accumulator Replacement
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