1978 Mazda RX-4 Thermostats & Parts
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MotoRad®Engine Coolant ThermostatMazda RX-4 1978, Engine Coolant Thermostat by MotoRad®. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high-quality product used in their vehicle....Offer precise pressure controlEnsure the proper fit$5.52 - $5.85 - Gates®OE Type Engine Coolant ThermostatMazda RX-4 1978, OE Type Engine Coolant Thermostat by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured from the...Map Controlled - Bolt-on solution with included sensor that links to the engine control unitSame easy installation as standard ITH$13.47
- MotoRad®Fail Safe™ Series ThermostatMazda RX-4 1978, Fail Safe™ Series Thermostat by MotoRad®. Fail-Safe Thermostats offer premium, patented technology for superior protection over any thermostat on the market. Only Fail-Safe is designed to lock in the open position...$10.53
- MotoRad®High-Flow™ Series ThermostatMazda RX-4 1978, High-Flow™ Series Thermostat by MotoRad®. Temperature: 180F. State-of-the-art equipment, strict quality control, and functional testing to each thermostat ensure customers that they can trust the high quality product...$5.79
- Beck Arnley®Engine Coolant Thermostat w/o Gasket/Seal and HousingMazda RX-4 1978, Engine Coolant Thermostat without Gasket/Seal and Housing by Beck Arnley®. For one hundred years, Beck Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and...OE quality products from top original equipmentTop quality materials$9.14 - $9.46
- Stant®Engine Coolant Thermostat GasketMazda RX-4 1978, Engine Coolant Thermostat Gasket by Stant®. Bolt Hole Diameter: 1 27/32". Cut installation time by as much as 50% with Stat Lok® adhesive backed thermostat gaskets. They’ll hold the thermostat in place, leaving your...Gaskets are cut to specific application requirementsStat Lok® Gaskets have adhesive backs to aid installation$0.91
- iD Select®Engine Coolant ThermostatMazda RX-4 1978, Engine Coolant Thermostat by iD Select®. Temperature: 180F. Swap out your worn-out or malfunctioning part with this top-notch product from iD Select. It’s built to OEM specifications to offer the same fit, form, and...Direct OEM replacement for your malfunctioning partMade to deliver the ultimate in quality, reliability, and value$5.93
- Gates®Premium Engine Coolant ThermostatMazda RX-4 1978, Premium Engine Coolant Thermostat by Gates®. If you want to keep your vehicle safe on the road for many years to come, go with this Gates product. Developed with the utmost attention to detail and manufactured from the...Great design and functionMade from sturdy materials$12.51 - $12.73
- NTC®Engine Coolant ThermostatMazda RX-4 1978, Engine Coolant Thermostat by NTC®. Temperature: 82C. Increase the life of your vehicle's engine by keeping your cooling system in top condition. Replace your faulty engine cooling component with this highly efficient...Made to keep your vehicle's engine running coolDesigned to maintain proper cooling level and prevent overheating$24.83
- Beck Arnley®Engine Coolant Thermostat GasketMazda RX-4 1978, Engine Coolant Thermostat Gasket by Beck Arnley®. When investing in this superior product by Beck Arnley, expect to get the exact OEM look, function, and fit. The product was developed to stringent factory...Rubber or Graphite impregnated for extreme temperature resistanceWire reinforced for radial strength and the Micro sealing provides a positive seal$2.42
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