1978 Mazda RX-4 Electrical Parts
- Light Switches
- Light Relays + Sensors
- Fuses
- Wiring & Cables
- Replacement Gauges
- Power + Heated Seats
- Cruise Control
- Horns
- Door Lock Actuators + Switches
- Alternators
- Starters
- Batteries
- Voltage Regulators
- A/C Relays, Sensors
- Fuel Sensors & Switches
- Cooling System Switches, Sensors & Relays
- Oxygen Sensors
- Engine Sensors, Relays, Switches & Connectors
- Solenoids, Sensors, Switches, Control Units
- Relays, Cables & Connectors
- Brake System Sensors
- Steering Valves, Relays & Sensors
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ACDelco®Professional™ HornMazda RX-4 1978, Professional™ Horn by ACDelco®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium replacement electrical parts manufactured...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$37.16 - $37.58Save: 15%$31.59 - $31.76 - TRQ®HornMazda RX-4 1978, Horn by TRQ®. If your vehicle’s electrical system isn't working properly due to a malfunctioning horn, replace it with the TRQ reproduction of the original horn that has the same quality, form, and functionality. And,...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$30.95Save: 6%$29.09
- ACDelco®Professional™ Brake Light SwitchMazda RX-4 1978, Professional™ Brake Light Switch by ACDelco®. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium replacement electrical parts...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.75Save: $3.72 (15%)$21.03
- WVE®Brake Light SwitchMazda RX-4 1978, Brake Light Switch 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. Made to meet or...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$9.18
- Standard®Intermotor™ Brake Light SwitchMazda RX-4 1978, Intermotor™ Brake Light Switch by Standard®. Connector Type: 2 Stud Male Terminals. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive...Premium parts you can rely onDesigned to restore functionality$9.85
- Beck Arnley®Brake Light SwitchMazda RX-4 1978, Brake Light Switch 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 specifications and crafted...Strategy of sourcing using the basis of Application Specific Sourcing is the focus Switch categoryThe highest quality, good coverage and competitive pricing$8.82
- Dorman®Conduct-Tite™ Headlight ConnectorMazda RX-4 1978, Conduct-Tite™ Headlight Connector by Dorman®. With insulation that’s as secure as it is durable, Dorman’s Pigtail Headlight Connector prevents the corrosion, overheating, and melting that commonly cause this part...Direct replacement for ease of installationSave time and expense by replacing only the connector, not the entire harness$1.98 - $2.44
- TRQ®Horn KitMazda RX-4 1978, Horn Kit by TRQ®. High and Low Tone. Pair. If other road users don't see you, make them hear you by replacing your non-functioning horns with this ultimate horn kit. As loud and effective as factory horns, TRQ...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$56.95Save: $1.71 (3%)$55.24
- ACDelco®Professional™ Headlight ConnectorMazda RX-4 1978, Professional™ Headlight Connector by ACDelco®. Finish: Gray. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from their immense selection of premium replacement...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.55Save: $0.98 (15%)$5.57
- Standard®Flasher ConnectorMazda RX-4 1978, Flasher Connector by Standard®. Finish: Red. Harness Length: 18". Wire Quantity: 2. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive...Offering hundreds of high-quality pigtails and sockets for nearly every electrical jobUtilizing high grade materials to ensure peak conductivity and perfect connections$22.41
- Standard®Hazard Warning RelayMazda RX-4 1978, Hazard Warning Relay by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to...Premium parts you can rely onDesigned to restore functionality$20.37
- Dorman®Conduct-Tite™ High Temperature Headlight Standard SocketMazda RX-4 With High Temperature Socket 1978, Conduct-Tite™ High Temperature Headlight Standard Socket by Dorman®. Length: 7" with Wire (1" Without Wire). Make better electrical repairs and accessory installations with this pigtail...Professional appearance - this electrical pigtail is designed for a clean, professional look when installedConvenient solution - this pigtail connector allows the circuit to be quickly disconnected for service or occasional use$8.87
- Dorman®TECHoice™ Headlight Switch Light SocketMazda RX-4 1978, TECHoice™ Headlight Switch Light Socket by Dorman®. Engagement of the four-wheel drive system is crucial during slick weather conditions. Dorman provides you with the security of knowing that your switch will activate...Easy installation; just plug it in to the mating componentDirect replacement matches original design$9.00
- Diode Dynamics®Inline ResistorMazda RX-4 1978, Inline Resistor by Diode Dynamics®. Quantity: 2 Pieces. This is a pair of inline resistors, designed for use with 194, 168, or 921 size bulb applications. Each resistor draws 5 watts of power, the same as a standard 194...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$10.00
- Standard®Intermotor™ Replacement HornMazda RX-4 1978, Intermotor™ Replacement Horn by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...High quality at an affordable priceExpertly made from premium materials$29.38 - $44.53
- Standard®Tru-Tech™ Replacement HornMazda RX-4 1978, Tru-Tech™ Replacement Horn by Standard®. High Tone. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...High quality at an affordable priceExpertly made from premium materials$29.48 - $35.91
- Standard®Electrical ConnectorMazda RX-4 1978, Electrical Connector by Standard®. For over 100 years, professional technicians have trusted Standard® to replace the failed OE part. Standard® manufacturers the highest-quality, best-performing parts for all import...Protective Tubing IncludedEach part has high-quality direct replacement electrical connector that eliminates the need for a harness, replacing only the damaged connector, for a cost effective repair solution$76.19
- United Motor Products®Headlight ConnectorMazda RX-4 1978, Headlight Connector by United Motor Products®. Finish: Gray. Looking to maintain the top condition of your electrical system? We are ready to help you! Just choose from our immense selection of premium replacement...Designed to help restore the performance of your electrical systemMade from high-grade materials using the latest techniques$3.81
- Remy®Remanufactured StarterMazda RX-4 Standard Transmission 1978, Remanufactured Starter by Remy®. Rated Power: 1.2 kW. Rotation: Counterclockwise. With 9-Tooth Pinion Gear. Voltage: 12V. If your engine starts hard or fails to start, the problem can be in the...Will help you easily solve the problem with engine startingDesigned to duplicate the original part as closely as possible$56.24
- WVE®Engine Cooling Fan ModuleMazda RX-4 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. Made to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$46.24
- Four Seasons®Radiator Fan ControllerMazda RX-4 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 Relay....OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price$39.63
- XS Power®D-Series 12V AGM BatteryMazda RX-4 1978, D-Series 12V AGM Battery by XS Power®. Amp Hour Capacity: 96. Battery Type: AGM. Cold Cranking Amperage: 1056. Polarity: Straight. Reserve Capacity: 186. Terminal Location: Top Post. Voltage: 12V. High Output Battery....Proudly Made in the USASealed absorbed glass mat (AGM) design that incorporates special glass fiber mats that contain the acid electrolyte between the lead plates, rather than a standard flooded (liquid) design$419.99
- Odyssey®Extreme Series™ BatteryMazda RX-4 1978, Extreme Series™ Battery (ODX-AGM78) by Odyssey®. Amp Hour Capacity: 68. Battery Type: AGM. Cold Cranking Amperage: 850. MCA: 1050. Polarity: Straight. Reserve Capacity: 135. Terminal Location: Side Post. Voltage: 12V....70% longer cycle life than conventional deep cycle batteries - high stable voltage for longer periods of timeCan be stored on open circuit (nothing connected to the terminals) without recharging for up to 2 years or 12.00V, whichever occurs first$384.99
- ACDelco®Professional™ Fuel Pump Cut-Off SwitchMazda RX-4 With Electric Fuel Pump 1978, Professional™ Fuel Pump Cut-Off Switch by ACDelco®. Bring your vehicle’s fuel system back to its top shape with this top-notch part. Designed as a direct-fit replacement of your worn-out or...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$109.95Save: $16.50 (15%)$93.45
- Standard®Intermotor™ Starter Brush SetMazda RX-4 1978, Intermotor™ Starter Brush Set by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$6.08
- Standard®Intermotor™ Engine Coolant Temperature SenderMazda RX-4 1978, Intermotor™ Engine Coolant Temperature Sender by Standard®. Terminal Quantity: 1. Connector Shape: Spade. Connector Gender: Male. Connector Quantity: 1. Terminal Type: Blade. Standard is to be the leading independent...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$21.38
- Standard®Intermotor™ Voltage RegulatorMazda RX-4 1978, Intermotor™ Voltage Regulator by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$109.61
- National®Generator Commutator End BearingMazda RX-4 with 50 Amp Alternator / with 55 Amp Alternator / with 60 Amp Alternator / with 65 Amp Alternator 1978, Generator Commutator End Bearing by National®. Design: Single Row Radial. Inner Race Bore: 0.472". Inner Race Radius:...Possesses excellent antifriction propertiesManufactured utilizing computer controlled heat treatment processes for lasting performance$15.41
- SKF®Alternator BearingMazda RX-4 1978, Alternator 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 using the finest...Ideal solution to make your vehicle perform as it shouldMade from high-strength materials for exceptional durability$17.56 - $30.18
- Standard®Starter BushingMazda RX-4 1978, Starter Bushing by Standard®. Standard is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest reputation for integrity to all...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$2.89
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