Top 51 Automotive Replacement Electrical System Relays
Last Updated: Sep 7, 2024 • 66,176 reviews analyzed
Our most popular Automotive Replacement Electrical System Relays products based on sales, online popularity and other expert reviews. Updated frequently.
![4 Pack - EPAuto 30/40 AMP Relay Harness Spdt 12V Bosch Style](https://images-na.ssl-images-amazon.com/images/I/61dgzu6St0L._AC_US320_.jpg)
4 Pack - EPAuto 30/40 AMP Relay Harness Spdt 12V Bosch Style
![Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack, 2 Years Warranty](https://images-na.ssl-images-amazon.com/images/I/61QfU5CpR+L._AC_US320_.jpg)
Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack, 2 Years Warranty
![Gebildet JD1912 Car Relay Harness 12V 40A 4 Pin SPST Harness Sockets with Color-labeled Wires for Automotive Truck Van Motorcycle Boat (Pack of 2)](https://images-na.ssl-images-amazon.com/images/I/5120-sOHvbL._AC_US320_.jpg)
Gebildet JD1912 Car Relay Harness 12V 40A 4 Pin SPST Harness Sockets with Color-labeled Wires for Automotive Truck Van Motorcycle Boat (Pack of 2)
![irhapsody 1 Pack 40/30 AMP 12V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Automotive Relay](https://images-na.ssl-images-amazon.com/images/I/71u4IdVMr7L._AC_US320_.jpg)
irhapsody 1 Pack 40/30 AMP 12V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Automotive Relay
![EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 2](https://images-na.ssl-images-amazon.com/images/I/61xmReZuigL._AC_US320_.jpg)
EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 2
![TRUE MODS 6 Pack 4-Pin 12V Bosch Style Fused Relay Switch Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPST] [30 Amp] 12 Volt Automotive relays with Fuse for Auto Cars](https://images-na.ssl-images-amazon.com/images/I/81FVp-H-BUL._AC_US320_.jpg)
TRUE MODS 6 Pack 4-Pin 12V Bosch Style Fused Relay Switch Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPST] [30 Amp] 12 Volt Automotive relays with Fuse for Auto Cars
![Dorman 76866 Antenna Mast Compatible with Select Ford / Lincoln / Mercury Models](https://images-na.ssl-images-amazon.com/images/I/514ouiS-riL._AC_US320_.jpg)
Dorman 76866 Antenna Mast Compatible with Select Ford / Lincoln / Mercury Models
![Nilight 50023R 5 Pack 30A Fuse Relay car Truck Socket kit-30A Switch Harness Set-12V DC 4-Pin SPST Automotive 14 AWG Hot Wires-Auto Switches & Starters Set,2 Years Warranty](https://images-na.ssl-images-amazon.com/images/I/61z1y80haWL._AC_US320_.jpg)
Nilight 50023R 5 Pack 30A Fuse Relay car Truck Socket kit-30A Switch Harness Set-12V DC 4-Pin SPST Automotive 14 AWG Hot Wires-Auto Switches & Starters Set,2 Years Warranty
![ACDelco Professional D1741C Multi-Purpose Relay 3.6 x 2.2 x 1.7 inches](https://images-na.ssl-images-amazon.com/images/I/71H6mBb5TjL._AC_US320_.jpg)
ACDelco Professional D1741C Multi-Purpose Relay 3.6 x 2.2 x 1.7 inches
![Standard Motor Products RY116 Relay](https://images-na.ssl-images-amazon.com/images/I/71uitI8KcgL._AC_US320_.jpg)
Standard Motor Products RY116 Relay
![Dorman 973-582 HVAC Blower Motor Resistor Kit Compatible with Select Toyota Models](https://images-na.ssl-images-amazon.com/images/I/61mXg7HGodL._AC_US320_.jpg)
Dorman 973-582 HVAC Blower Motor Resistor Kit Compatible with Select Toyota Models
![irhapsody Relay 120A, 12V Continuous Duty Relay, 4 Pin High Current Relay, Split Charge Relay Switch, Spst High Power On/Off Heavy Duty Starter Relay](https://images-na.ssl-images-amazon.com/images/I/51OvRF0lqKL._AC_US320_.jpg)
irhapsody Relay 120A, 12V Continuous Duty Relay, 4 Pin High Current Relay, Split Charge Relay Switch, Spst High Power On/Off Heavy Duty Starter Relay
![TRUE MODS 1 Pack 5-Pin 12V Bosch Style Waterproof Relay Kit [Harness Socket] [12 AWG Hot Wires] [SPDT] [30/40 Amp] 12 Volt Automotive Marine Relays for Boats Auto Fan Cars](https://images-na.ssl-images-amazon.com/images/I/81m2P8Wl3RL._AC_US320_.jpg)
TRUE MODS 1 Pack 5-Pin 12V Bosch Style Waterproof Relay Kit [Harness Socket] [12 AWG Hot Wires] [SPDT] [30/40 Amp] 12 Volt Automotive Marine Relays for Boats Auto Fan Cars
![Stinger SGP38 80-AMP Battery Isolator and Relay,BLACK](https://images-na.ssl-images-amazon.com/images/I/51P4ak4MFvL._AC_US320_.jpg)
Stinger SGP38 80-AMP Battery Isolator and Relay,BLACK
![Stinger SGP32 200 AMP Battery Relay Isolator and Relay](https://images-na.ssl-images-amazon.com/images/I/71U91yrL3BL._AC_US320_.jpg)
Stinger SGP32 200 AMP Battery Relay Isolator and Relay
![irhapsody 4-PIN 40/30AMP 12V DC Waterproof Relay with Harness - Heavy Duty 12 AWG Tinned Copper Wires, 1 Pack SPST Automotive Relay](https://images-na.ssl-images-amazon.com/images/I/61Rqrap1mnL._AC_US320_.jpg)
irhapsody 4-PIN 40/30AMP 12V DC Waterproof Relay with Harness - Heavy Duty 12 AWG Tinned Copper Wires, 1 Pack SPST Automotive Relay
![Nilight 50044R 5 Pack Waterproof 40/30 AMP Heavy Duty 12 AWG Tinned Copper Wires 5-PIN SPDT Bosch Style 12V Automotive Relay and Harness Set,2 Year Warranty](https://images-na.ssl-images-amazon.com/images/I/71PMNhBvihL._AC_US320_.jpg)
Nilight 50044R 5 Pack Waterproof 40/30 AMP Heavy Duty 12 AWG Tinned Copper Wires 5-PIN SPDT Bosch Style 12V Automotive Relay and Harness Set,2 Year Warranty
![Power Trim and Tilt Relay 584416 586224 18-570 for Johnson Evinrude Outboard Marine Corp OMC(Pack of 2)](https://images-na.ssl-images-amazon.com/images/I/419wxaTtj1L._AC_US320_.jpg)
Power Trim and Tilt Relay 584416 586224 18-570 for Johnson Evinrude Outboard Marine Corp OMC(Pack of 2)
![irhapsody Relay 12V, 80/60 Amp Waterproof Relay, 5 Pin Automotive Relay, Spdt 12-Volt Auto Relay with Pigtail](https://images-na.ssl-images-amazon.com/images/I/71hIRzx-OgL._AC_US320_.jpg)
irhapsody Relay 12V, 80/60 Amp Waterproof Relay, 5 Pin Automotive Relay, Spdt 12-Volt Auto Relay with Pigtail
![OONO Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module (DC 12V)](https://images-na.ssl-images-amazon.com/images/I/71aRcmVdo3L._AC_US320_.jpg)
OONO Forward and Reverse Relay Module for Motor/Linear Actuator, Reversing Relay Module (DC 12V)
![Automotive Purpose Relays 303-1AH-C-R1-U01-12VDC SPNO 20A 12VDC for Polaris RZR Slingshot Ranger Sportsman Cooling Fan Relay (4 Pack)](https://images-na.ssl-images-amazon.com/images/I/61tHnXdES5L._AC_US320_.jpg)
Automotive Purpose Relays 303-1AH-C-R1-U01-12VDC SPNO 20A 12VDC for Polaris RZR Slingshot Ranger Sportsman Cooling Fan Relay (4 Pack)
![irhapsody Relay 12V, 5 Pin Relay, 40/30 AMP Automotive Relay Kit, Spdt 5 Prong 25 Pack 12-Volt Auto Relay Switch, Power Trim and Tilt Relay](https://images-na.ssl-images-amazon.com/images/I/71xHMyj8OAL._AC_US320_.jpg)
irhapsody Relay 12V, 5 Pin Relay, 40/30 AMP Automotive Relay Kit, Spdt 5 Prong 25 Pack 12-Volt Auto Relay Switch, Power Trim and Tilt Relay
![2 Pack High Power 4 Pin Fuse Box Relay # 13500114/8385 Compatible for GM](https://images-na.ssl-images-amazon.com/images/I/51ZY9-peDeL._AC_US320_.jpg)
2 Pack High Power 4 Pin Fuse Box Relay # 13500114/8385 Compatible for GM
![irhapsody 80/60Amp 12v 5-pin Relay Kit, spdt 12-Volt Bosch Style Automotive Relay with Heavy-Duty Pigtail, 6-Pack](https://images-na.ssl-images-amazon.com/images/I/810CkB3tYEL._AC_US320_.jpg)
irhapsody 80/60Amp 12v 5-pin Relay Kit, spdt 12-Volt Bosch Style Automotive Relay with Heavy-Duty Pigtail, 6-Pack
![BLAU GRUN 4 Pin 12V 30A Relay Multi-Purpose Automotive Relay Heavy Duty Standard Relay for Car Motor, Auto Universal Replacement Accessories](https://images-na.ssl-images-amazon.com/images/I/61yBEEJypyL._AC_US320_.jpg)
BLAU GRUN 4 Pin 12V 30A Relay Multi-Purpose Automotive Relay Heavy Duty Standard Relay for Car Motor, Auto Universal Replacement Accessories
![2 Pack G8HL-H71 AC Starter Relay-39794-SDA-A03,39794-SDA-A05 Compatible for Accord Civic CR-V CR-Z Crosstour Element Insight Odyssey Pilot Acura TL TSX MDX](https://images-na.ssl-images-amazon.com/images/I/61ncos46MRL._AC_US320_.jpg)
2 Pack G8HL-H71 AC Starter Relay-39794-SDA-A03,39794-SDA-A05 Compatible for Accord Civic CR-V CR-Z Crosstour Element Insight Odyssey Pilot Acura TL TSX MDX
![ZOZOMOTORS Dual Electric Fan Relay Kit Radiator Electric Fan Thermostat Kit Temperature Sensor Switch 185 On 175 Off, Automotive 40 AMP Cooling Fan Relay Switch Kit 4 Pin, Dual Electric Fan Wiring Kit](https://images-na.ssl-images-amazon.com/images/I/81t-ligzWvL._AC_US320_.jpg)
ZOZOMOTORS Dual Electric Fan Relay Kit Radiator Electric Fan Thermostat Kit Temperature Sensor Switch 185 On 175 Off, Automotive 40 AMP Cooling Fan Relay Switch Kit 4 Pin, Dual Electric Fan Wiring Kit
![Wehhbtye 4 PCS 1 Pin Refrigerator Starter Relay,QP2-4.7/4r7 Relay,1 Pin Refrigerator Starter Relay and 6750C-0005P Refrigerator Overload Protector,Compatible with LG Refrigerator Compressor,Freezers](https://images-na.ssl-images-amazon.com/images/I/71k8RSeKWOS._AC_US320_.jpg)
Wehhbtye 4 PCS 1 Pin Refrigerator Starter Relay,QP2-4.7/4r7 Relay,1 Pin Refrigerator Starter Relay and 6750C-0005P Refrigerator Overload Protector,Compatible with LG Refrigerator Compressor,Freezers
![Electric Fan Wiring Kit Electric Fan Relay Kit with Thermostat Radiator Fan Sensor Switch Electric Cooling Fan Thermostat Kit Temperature Sensor Switch 185 On 175 Off, 40 AMP Waterproof Relay Kit](https://images-na.ssl-images-amazon.com/images/I/81ZBlac5ADL._AC_US320_.jpg)
Electric Fan Wiring Kit Electric Fan Relay Kit with Thermostat Radiator Fan Sensor Switch Electric Cooling Fan Thermostat Kit Temperature Sensor Switch 185 On 175 Off, 40 AMP Waterproof Relay Kit
![4Pcs 5 Pin 12V 30A Relay, Car Starter Switch Relays, Multi Purpose Automotive Relay Black Starter Relay, High Performance Starter Universal for Car Motor Automotive Replacement Accessories](https://images-na.ssl-images-amazon.com/images/I/71aLvMGguaL._AC_US320_.jpg)
4Pcs 5 Pin 12V 30A Relay, Car Starter Switch Relays, Multi Purpose Automotive Relay Black Starter Relay, High Performance Starter Universal for Car Motor Automotive Replacement Accessories
![irhapsody 12v 30A 5-pin Spdt Multi-Purpose Starter Relay](https://images-na.ssl-images-amazon.com/images/I/71lYEx2zNOL._AC_US320_.jpg)
irhapsody 12v 30A 5-pin Spdt Multi-Purpose Starter Relay
![jeseny 2 Pack Car 5 Pin 12V 30A Relay, High Performance Waterproof Stable Relay, Multi-Purpose Relay Heavy Duty Standard Relay Kit, for Automotive Motor Replacement Accessories (Black)](https://images-na.ssl-images-amazon.com/images/I/71By27LYQPL._AC_US320_.jpg)
jeseny 2 Pack Car 5 Pin 12V 30A Relay, High Performance Waterproof Stable Relay, Multi-Purpose Relay Heavy Duty Standard Relay Kit, for Automotive Motor Replacement Accessories (Black)
![Zlirfy 2 Pack AC Relay,AC and Starter Relay,39794-SDA-A03 39794-SDA-A05,A/C Fan Motor,Head Lump,Multiple Use Relay Plug,4 Pins Power Relay Assembly Starter Relays,Firs for Most Model of Cars](https://images-na.ssl-images-amazon.com/images/I/61+P4QnV4KL._AC_US320_.jpg)
Zlirfy 2 Pack AC Relay,AC and Starter Relay,39794-SDA-A03 39794-SDA-A05,A/C Fan Motor,Head Lump,Multiple Use Relay Plug,4 Pins Power Relay Assembly Starter Relays,Firs for Most Model of Cars
![SPP6 Relay/Capacitor Hard Start Kit with 500% Increase Starting Torque for Air Conditioner - Compatible with HVAC Compressor – Replaces SPP6, TJ90HS6,AP4502872,35702, DST-6, ERPP6, HS6, HS650](https://images-na.ssl-images-amazon.com/images/I/61L6Z2d8yaL._AC_US320_.jpg)
SPP6 Relay/Capacitor Hard Start Kit with 500% Increase Starting Torque for Air Conditioner - Compatible with HVAC Compressor – Replaces SPP6, TJ90HS6,AP4502872,35702, DST-6, ERPP6, HS6, HS650
![9038 Relay Bypass Switch, Relay Tester, Relay Bypass Switch Kit, 6-Pack, Black](https://images-na.ssl-images-amazon.com/images/I/514Z9qFrSOL._AC_US320_.jpg)
9038 Relay Bypass Switch, Relay Tester, Relay Bypass Switch Kit, 6-Pack, Black
![gunhunt 4 PCS 40A Automotive Relays, Car Relay Switch, 5 Pin Relay, 12V Waterproof Car Relay, Trim System Components, Replacement for Car Boat Outboard Motor (Black)](https://images-na.ssl-images-amazon.com/images/I/61AGWcKAmdL._AC_US320_.jpg)
gunhunt 4 PCS 40A Automotive Relays, Car Relay Switch, 5 Pin Relay, 12V Waterproof Car Relay, Trim System Components, Replacement for Car Boat Outboard Motor (Black)
![JY Performance Electric Fuel Pump Relay Kit for 12V System 40 AMP Waterproof Heavy Duty Long Wires](https://images-na.ssl-images-amazon.com/images/I/71wbWCNMaaL._AC_US320_.jpg)
JY Performance Electric Fuel Pump Relay Kit for 12V System 40 AMP Waterproof Heavy Duty Long Wires
![YUXIVCNE 9038 Fuel Pump Relay Bypass Master Kit, Pack of 6 Relay Tester Diagnostic Scan Tool Relay Bypass Switch Kit Replaces 9036 9037](https://images-na.ssl-images-amazon.com/images/I/61zgewAbddL._AC_US320_.jpg)
YUXIVCNE 9038 Fuel Pump Relay Bypass Master Kit, Pack of 6 Relay Tester Diagnostic Scan Tool Relay Bypass Switch Kit Replaces 9036 9037
![4 Pack G8HL-H71 AC and Starter Relay 39794-SDA-A03 39794-SDA-A05 Compatible for Crosstour CR-V CR-Z Element Insight Odyssey Pilot Acura TL TSX MDX](https://images-na.ssl-images-amazon.com/images/I/61GBAVVXvjL._AC_US320_.jpg)
4 Pack G8HL-H71 AC and Starter Relay 39794-SDA-A03 39794-SDA-A05 Compatible for Crosstour CR-V CR-Z Element Insight Odyssey Pilot Acura TL TSX MDX
![Relay 8T2T-14B192-AA (Set of 2), 12VDC 4 Pins Automotive Relay - Reliable OEM Replacement, Compatible for Select Ford Vehicles](https://images-na.ssl-images-amazon.com/images/I/61lQzSN0g0L._AC_US320_.jpg)
Relay 8T2T-14B192-AA (Set of 2), 12VDC 4 Pins Automotive Relay - Reliable OEM Replacement, Compatible for Select Ford Vehicles
![Nilight SPDT Relay Replacement 12V 5 Prong SPDT Auto Tilt Trim Relay (Pack of 10) 40/30 AMP Electrical Power Relay Switch 5 Pin Bosch Style Relay for Automotive Cars Marine Boats,2 Years Warranty](https://images-na.ssl-images-amazon.com/images/I/61KOSvngceL._AC_US320_.jpg)
Nilight SPDT Relay Replacement 12V 5 Prong SPDT Auto Tilt Trim Relay (Pack of 10) 40/30 AMP Electrical Power Relay Switch 5 Pin Bosch Style Relay for Automotive Cars Marine Boats,2 Years Warranty
![EHDIS 2 Packs Car Relay with Harness Truck Motor Heavy Duty 5-Pin 80A 12V Relay On/Off Normally Open SPDT Relay Socket Plug 5 Wire Automotive Relay JD2912-1Z-12VDC 80A 14VDC](https://images-na.ssl-images-amazon.com/images/I/71-vbSNQRiL._AC_US320_.jpg)
EHDIS 2 Packs Car Relay with Harness Truck Motor Heavy Duty 5-Pin 80A 12V Relay On/Off Normally Open SPDT Relay Socket Plug 5 Wire Automotive Relay JD2912-1Z-12VDC 80A 14VDC
![EHDIS 4-Pin Relay with Harness Car Truck Motor Heavy Duty 80A 12V On/Off Normally Open SPST Relay Socket Plug 4 Wire Automotive Relay Model JD2912-1H-12VDC 80A 14VDC,Pack of 2](https://images-na.ssl-images-amazon.com/images/I/71TTixdtgUL._AC_US320_.jpg)
EHDIS 4-Pin Relay with Harness Car Truck Motor Heavy Duty 80A 12V On/Off Normally Open SPST Relay Socket Plug 4 Wire Automotive Relay Model JD2912-1H-12VDC 80A 14VDC,Pack of 2
![TRUE MODS 6 Pack Bosch Style 5-Pin 12V Relay Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPDT] [30/40 Amp] 12 Volt Automotive Relays for Auto Fan Cars](https://images-na.ssl-images-amazon.com/images/I/81LaRdbapRL._AC_US320_.jpg)
TRUE MODS 6 Pack Bosch Style 5-Pin 12V Relay Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPDT] [30/40 Amp] 12 Volt Automotive Relays for Auto Fan Cars
![TRUE MODS 10 Pack - Bosch Style 12V DC 5-PIN SPDT Interlocking Relay Socket Harness Base (with Wires)](https://images-na.ssl-images-amazon.com/images/I/71-wxviBbnL._AC_US320_.jpg)
TRUE MODS 10 Pack - Bosch Style 12V DC 5-PIN SPDT Interlocking Relay Socket Harness Base (with Wires)
![True Mods 10 Pack Bosch Style 5-Pin 12V Relay Switch [SPDT] [30/40 Amp] 12 Volt Automotive Relays for Auto Fan Cars](https://images-na.ssl-images-amazon.com/images/I/71l4JbsXqHL._AC_US320_.jpg)
True Mods 10 Pack Bosch Style 5-Pin 12V Relay Switch [SPDT] [30/40 Amp] 12 Volt Automotive Relays for Auto Fan Cars
![Hamolar 2 Pack 12V 40/30 Amp Car Relay DC 5 Pin SPDT and Harness - Heavy Duty 12 AWG Copper Wires Relays Kit Bosch Style for Automotive Truck Van Motorcycle Boat](https://images-na.ssl-images-amazon.com/images/I/61-Ak4OSaNS._AC_US320_.jpg)
Hamolar 2 Pack 12V 40/30 Amp Car Relay DC 5 Pin SPDT and Harness - Heavy Duty 12 AWG Copper Wires Relays Kit Bosch Style for Automotive Truck Van Motorcycle Boat
![BOSCH 0332019110 Normal Open Mini Relay - 4 Pins, 12 V, 30 A - Single](https://images-na.ssl-images-amazon.com/images/I/516C8lOnNsL._AC_US320_.jpg)
BOSCH 0332019110 Normal Open Mini Relay - 4 Pins, 12 V, 30 A - Single
![2Pcs 4-PIN 8T2T-14B192-AA OEM Relays Multi Purpose for Fusion F150](https://images-na.ssl-images-amazon.com/images/I/61DXpjjHXWL._AC_US320_.jpg)
2Pcs 4-PIN 8T2T-14B192-AA OEM Relays Multi Purpose for Fusion F150
![Automotive Purpose Relays 301-1C-C-R1-U01-12VDC 5 PIN (4Pack)](https://images-na.ssl-images-amazon.com/images/I/61Um2cF3dlL._AC_US320_.jpg)
Automotive Purpose Relays 301-1C-C-R1-U01-12VDC 5 PIN (4Pack)
![BOSCH 0332019157 Normal Open Mini Relay - 4 Pins, 12 V, 40 A - Single](https://images-na.ssl-images-amazon.com/images/I/51Ptp857BGL._AC_US320_.jpg)
BOSCH 0332019157 Normal Open Mini Relay - 4 Pins, 12 V, 40 A - Single
EDITOR'S NOTES
During our Automotive Replacement Electrical System Relays research, we found hundreds Automotive Replacement Electrical System Relays products and shortlisted 51 quality products. We collected and analyzed 66,176 customer reviews through our big data system to write the Automotive Replacement Electrical System Relays list. We found that most customers choose Automotive Replacement Electrical System Relays with an average rating of 2.4 . The seller of top 1 product with rating 5 and has received honest feedback from 6,626 consumers.