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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 - 8 of 8

Flasher, No Load Fixed Flasher, Each

Part Number: KCW-10853

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Flasher, No Load Adjustable Pulse Flasher

Part Number: KCW-10854

Not Yet Reviewed

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1967-71 Chevrolet/GMC Truck Door Latch with Rods and Relay; LH

Part Number: OER-T70895

Not Yet Reviewed

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FLASHER UNIT GAGES & SWITCHS - E40

Part Number: HRE-EF32SS

Not Yet Reviewed

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Flasher, No Load Adjustable Flasher

Part Number: KCW-10852

Not Yet Reviewed

Estimated Ship Date: Jan 7, 2026 if ordered today

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Estimated Ship Date: Jan 7, 2026 if ordered today

Flasher Unit, Flasher Unit, Hazard, 1960 Corvair

Part Number: OPG-CV50007

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

Flasher Unit, Flasher Unit, Hazard, 1965 Corvair/1965 Corvair Forward Control

Part Number: OPG-CV50011

Not Yet Reviewed

Estimated Ship Date: Mar 27, 2026 if ordered today

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Estimated Ship Date: Mar 27, 2026 if ordered today

DOOR RELAY; LH; 55-59 2ND SERIES PICK-UP

Part Number: GMK-4141-443-55L

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

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