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Automotive Relays

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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.

Individual Parts

Results 1 - 20 of 20

Relay and Connector Kit, 12 V, 40 amps, Single Pole, Spade Terminal Type, Wiring Harness, Kit

Part Number: PCO-5593PT

4.55 out of 5 stars ( 29 )

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Relay and Harness, 40 Amp, Single Pole, Kit

Part Number: PCO-5591PT

4.75 out of 5 stars ( 76 )

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Relays, Fuel Pump, 30 Amp, 12V, Single Pole, Blade Type, Wire Harness Included, Each

Part Number: HLY-12-753

4.5 out of 5 stars ( 10 )

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Relay, Water Pump, 30 Amp, Single Pole, Wiring Harness Crimp Connectors, Each

Part Number: MEZ-WIK346

4.8 out of 5 stars ( 15 )

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Relay, 6-Bank, 50 Amp, Single Pole, Each

Part Number: PRF-30108

4.0 out of 5 stars ( 6 )

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Relay, Universal, 70 Amp, Single Pole, SPST Heavy Duty, Relay Base, Each

Part Number: PRF-80138

5.0 out of 5 stars ( 1 )

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Relay, Universal, 35 Amp, Single Pole, Waterproof, Sealed Base, Each

Part Number: PRF-80129

4.2 out of 5 stars ( 5 )

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Relay, 3-Bank, 50 Amp, Single Pole, Each

Part Number: PRF-30107

4.5 out of 5 stars ( 12 )

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Relay, 40 Amp, Single Pole, Kit

Part Number: CEI-108123

1.0 out of 5 stars ( 1 )

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Relay, Universal, 70 Amp, Single Pole, SPST Heavy Duty, Each

Part Number: PRF-80137

Not Yet Reviewed

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Relay, Universal, 35 Amp, Single Pole, Waterproof, Each

Part Number: PRF-80128

5.0 out of 5 stars ( 1 )

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Relays, Dual Fuel Pump, 40 Amp, 12V, Single Pole, Blade Type, Wire Harness Included, Chrysler, Dodge, Ford, Kit

Part Number: HLY-12-759

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Relay, 12 Volts, 30 Amp, Single Pole, Double Throw, 5 Terminal, Diode Suppressed, Universal, Each

Part Number: PRF-80132

3.4 out of 5 stars ( 5 )

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Relay, Fuel Pump, 30 Amp, 12 V, Single Pole, Spade Terminal, 5 Male, Each

Part Number: MSD-89618

5.0 out of 5 stars ( 2 )

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Relay, Micro, 15/25 Amp, Single Pole, Double Throw, 5 Terminals, Universal Fitment, Pair

Part Number: PRF-80135

3.0 out of 5 stars ( 1 )

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Relay, Ignition Power, Auto, 30 Amps, 12/16 V, 3 Amp 400 V Diode, with Harness, Male/Female Blade Connectors/Terminals, Screws, and Socket, Kit

Part Number: PNX-2001

4.68 out of 5 stars ( 28 )

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Relay, Auxiliary Fan Usage, 12 V, 4 Male Terminals, Chrysler, Dodge, Jeep, Each

Part Number: RNB-902-310

4.0 out of 5 stars ( 1 )

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Two Speed Wiper Relay Pack

Part Number: IDT-3100006030

Not Yet Reviewed

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Relays, ACDelco Replacement Relays, 12 Volt, 5 Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Pontiac, Saab, Saturn, Each

Part Number: ADO-19118886

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