1978 Mercury Grand Marquis Cooling System Switches, Sensors & Relays
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- WVE®Engine Coolant Temperature SensorMercury Grand Marquis 5.8L with California Emission 1978, Engine Coolant Temperature Sensor by WVE®. Terminal Quantity: 2. Connector Shape: Round. Terminal Type: Pin. Replace your worn-out or faulty component with this quality...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$12.63
- Walker Products®Engine Coolant Temperature SenderMercury Grand Marquis 1978, Engine Coolant Temperature Sender by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...High quality at an affordable priceExpertly made from premium materials$12.92
- Standard®Engine Coolant Temperature SwitchMercury Grand Marquis without Automatic Temperature Control 1978, Engine Coolant Temperature Switch by Standard®. Terminal Quantity: 1. Connector Shape: Round. Connector Gender: Male. Connector Quantity: 1. Terminal Type: Stud. Standard...In production, all thermal switches are factory-calibrated to make electrical contact at the specified lower-temperature set pointStandard switches feature a robust design with high grade materials to meet the stringent demands of today's service professional$15.42
- Standard®Engine Coolant Temperature SenderMercury Grand Marquis 1978, Engine Coolant Temperature Sender by Standard®. With Gauge. Terminal Quantity: 1. Connector Shape: Round. Connector Gender: Male. Connector Quantity: 1. Terminal Type: Stud. Standard is to be the leading...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$18.17
- Standard®Tru-Tech™ Engine Coolant Temperature SenderMercury Grand Marquis 1978, Tru-Tech™ Engine Coolant Temperature Sender by Standard®. Terminal Quantity: 1. Connector Shape: Round. Connector Gender: Male. Connector Quantity: 1. Terminal Type: Stud. With Gauge. Standard is to be the...The terminal is manufactured with high grade materialsThe housing is fabricated using polyamide resins$8.58
- Standard®Tru-Tech™ Engine Coolant Temperature SwitchMercury Grand Marquis without Automatic Temperature Control 1978, Tru-Tech™ Engine Coolant Temperature Switch by Standard®. Terminal Quantity: 1. Connector Gender: Male. Terminal Type: Stud. Standard is to be the leading independent...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$12.79
- WVE®Engine Coolant Temperature SenderMercury Grand Marquis 1978, Engine Coolant Temperature Sender by WVE®. Terminal Quantity: 1. Connector Shape: Round. Connector Quantity: 1. Terminal Type: Threaded. Overall Length: 1.71". Replace your worn-out or faulty component with...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$7.92
- WVE®Engine Coolant Temperature SwitchMercury Grand Marquis With Automatic Temperature Control 1978, Engine Coolant Temperature Switch by WVE®. Terminal Quantity: 2. Connector Shape: Round. Terminal Type: Threaded. Replace your worn-out or faulty component with this quality...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$18.55
- Four Seasons®Radiator Fan ControllerMercury Grand Marquis 1978, Radiator Fan Controller by Four Seasons®. Connector Shape: Rectangle. Connector Gender: Male. Voltage: 12 V. Radiator Mounted. Activated by radiator temp and/or A/C Clutch. Adjustable (140° - 220 °F) with...OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$39.63
- WVE®Engine Cooling Fan ModuleMercury Grand Marquis 1978, Engine Cooling Fan Module 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$46.24
- WVE®Engine Coolant Temperature Sensor ConnectorMercury Grand Marquis 1978, Engine Coolant Temperature Sensor Connector by WVE®. Terminal Quantity: 1. Terminal Type: Pin. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$2.22
- Hayden®Cooling Fan Temperature SwitchMercury Grand Marquis 1978, Cooling Fan Temperature Switch by Hayden®. Hayden Automotive engineers, manufactures and supplies a wide range of products designed to keep your car, truck or performance vehicle running cool. From fan...Designed for single or dual fan applicationsBrass construction for accurate temperature sensing$17.32 - $37.30
- MotoRad®Engine Coolant Temperature SenderMercury Grand Marquis With Coolant Temperature Gauge 1978, Engine Coolant Temperature Sender by MotoRad®. MotoRad conducts highly controlled validation using advanced testing equipment that is integrated into the production process of...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$8.57
- MotoRad®Engine Coolant Temperature SwitchMercury Grand Marquis 1978, Engine Coolant Temperature Switch by MotoRad®. MotoRad conducts highly controlled validation using advanced testing equipment that is integrated into the production process of all products.Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$11.66
- Lectric Limited®Engine Cooling Fan Relay KitEngine Cooling Fan Relay Kit by Lectric Limited®. Amperage Rating: 40 Amps. Keep your pride and joy running in tip-top shape with this premium product from Lectric Limited. Designed to fit and function exactly as the original, this...Excellent solution for your classic or muscle car restorationMeant to restore the proper functionality of your vehicle’s electrical system$26.00
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