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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 - 15 of 15

Relay, 40/60 Amp, 25 Amp Continuous, 30 Amp Fuse, Each

Part Number: DER-16763

4.19 out of 5 stars ( 27 )

Estimated Ship Date: Today

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Relay, 20 amps, 12 V, Blade Terminal, 4 Male, Each

Part Number: DNP-567-0001

Not Yet Reviewed

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Relay, 12 V, 20 amps, Spade Terminal, Each

Part Number: SMP-RY612

Not Yet Reviewed

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CF15 (CF13/CF14/EP34/EP35) LED Turn Signal Flasher

Part Number: DOD-DD4049

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Relays, for Infiniti, Lexus, Mercedes-Benz, Toyota, Each

Part Number: BCH-0332011007

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Multi Purpose Relay

Part Number: HLA-965400071

Not Yet Reviewed

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Relay, HVAC, 20 amp, 12 V, 5 Terminal, Male Blade, Each

Part Number: SMP-RY612T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Radiator Fan Control Module

Part Number: RNB-904-601

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

RELAY SWITCH

Part Number: HLN-2RSW1004

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2026 if ordered today

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Estimated Ship Date: Nov 24, 2026 if ordered today

EM- Headlight Relay

Part Number: SMP-RY-1194

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

EM- Hazard Flasher

Part Number: SMP-EFL-55

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

EM- Headlight Washer Rly

Part Number: SMP-RY-1570

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

Sunshade Relay

Part Number: SMP-RY-1775

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

RELAY SWITCH, CHRYSLER, 4606409AA

Part Number: HLN-2RSW1003

Not Yet Reviewed

Estimated Ship Date: Nov 23, 2026 if ordered today

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Estimated Ship Date: Nov 23, 2026 if ordered today

EM- Headlight Washer Rly

Part Number: SMP-RY-1605

Not Yet Reviewed

Estimated Ship Date: Nov 30, 2026 if ordered today

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Estimated Ship Date: Nov 30, 2026 if ordered today

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