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Automotive Relays

Generally speaking, a relay is an electronically operated switch that allows you to control a circuit with a low-power signal. Almost every system on your vehicle incorporates...

Generally speaking, a relay is an electronically operated switch that allows you to control a circuit with a low-power signal. Almost every system on your vehicle incorporates a relay in its controls, including the starter, electric cooling fans, fuel pump, headlights, and air conditioner, plus accessories like nitrous, off-road lights, and winches.

Whether you’re assembling an all-new wiring harness, or making repairs to existing circuits, the extensive selection, powerful search tools, and tech expertise at Summit Racing Equipment will help you find the right size and amperage rating of relay for the job.

Top Brands

Generally speaking, a relay is an electronically operated switch that allows you to control a circuit with a low-power signal. Almost every system on your vehicle incorporates a relay in its controls, including the starter, electric cooling fans, fuel pump, headlights, and air conditioner, plus accessories like nitrous, off-road lights, and winches.

Whether you’re assembling an all-new wiring harness, or making repairs to existing circuits, the extensive selection, powerful search tools, and tech expertise at Summit Racing Equipment will help you find the right size and amperage rating of relay for the job.

Top Brands

Don’t take chances with a knock-off relay! Summit carries general purpose and application-specific relays from well-regarded brands like Painless Performance, MSD, Auto Rod Controls, Bosch, ACDelco, Standard Motor Products, Hella, and more.

Showing In Stock Items. Show All 32 Items.

Individual Parts

Part Groups

Results 1 - 12 of 12

40 amps ARC Relay Module RC4

40 amps ARC Relay Module RC4

40 amps ARC Relay Module RC4

Relay, Module, 40 Amp, 6 Gauge Power Cable, Each

Part Number: ARC-RC4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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40 amps ARC Relay Module RC8-ECU-1

40 amps ARC Relay Module RC8-ECU-1

40 amps ARC Relay Module RC8-ECU-1

Relays, ARC Relay Modules, 40 Amp, 12/16 Volts, 8 Relay Terminals, Each

Part Number: ARC-RC8-ECU-1

Not Yet Reviewed

Estimated Ship Date: Today

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70 amps Ron Francis Wiring 70 Amp Single Electric Fan Relay Systems AR70

70 amps Ron Francis Wiring 70 Amp Single Electric Fan Relay Systems AR70

70 amps Ron Francis Wiring 70 Amp Single Electric Fan Relay Systems AR70

Relay System, Electric Fan, 70 Amps, Ignition Switch Activated, Kit

Part Number: RFW-AR70

4.86 out of 5 stars ( 21 )

Estimated Ship Date: Today

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40 amps American Autowire Power Window Reversing Relay 510962

40 amps American Autowire Power Window Reversing Relay 510962

40 amps American Autowire Power Window Reversing Relay 510962

Relay, Power Window, Reversing, 4-Window, 12 V, 40 amps, Each

Part Number: AWW-510962

Not Yet Reviewed

Estimated Ship Date: Today

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40 amps American Autowire Power Window Reversing Relay 510961

40 amps American Autowire Power Window Reversing Relay 510961

40 amps American Autowire Power Window Reversing Relay 510961

Relay, Power Window, Reversing, 2-Window, 12 V, 40 amps, Each

Part Number: AWW-510961

Not Yet Reviewed

Estimated Ship Date: Today

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40 amps American Autowire Relay 500403

40 amps American Autowire Relay 500403

40 amps American Autowire Relay 500403

Relays, Headlight Enhancement Relay with G for Aaw, 12 V, 40 amps, Kit

Part Number: AWW-500403

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Today

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American Autowire Relays 500909

American Autowire Relays 500909

American Autowire Relays 500909

Relay, Horn Usage, 12 V, Single Pole, Chevy, Pontiac, Each

Part Number: AWW-500909

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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United Pacific 6V Turn Signal Flashers 110252

United Pacific 6V Turn Signal Flashers 110252

United Pacific 6V Turn Signal Flashers 110252

Flasher Unit, 6V Turn Signal Flasher, 3 Terminals, 6 V, Each

Part Number: UPD-110252

3.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

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40 amps American Autowire Relay 500431

40 amps American Autowire Relay 500431

40 amps American Autowire Relay 500431

Relays, Headlight Enhancement Relay with G for Aaw, 12 V, 40 amps, Waterproof, Kit

Part Number: AWW-500431

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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70 amps American Autowire Relay 500532

70 amps American Autowire Relay 500532

70 amps American Autowire Relay 500532

Relay, 12 V, 70 amps, Single Pole, Auxiliary Fan Usage, Each

Part Number: AWW-500532

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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40 amps American Autowire Relay 500448

40 amps American Autowire Relay 500448

40 amps American Autowire Relay 500448

Relay, Waterproof, 12 V, 40 amps, Single Pole Double Throw, 5 Terminal, Male Pin, Kit

Part Number: AWW-500448

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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30 amps Ron Francis Wiring Air Conditioning Request Relay AR35

30 amps Ron Francis Wiring Air Conditioning Request Relay AR35

30 amps Ron Francis Wiring Air Conditioning Request Relay AR35

Relay System, Electric Fan, 30 Amps, Each

Part Number: RFW-AR35

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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