$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

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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 - 25 of 316

Turn Signal Flasher, LED, 2-Terminal, 12V, 20 Amp Rating, Each

Part Number: UPD-90652

4.6 out of 5 stars ( 75 )

Estimated Ship Date: Today

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Turn Signal Flasher, LED, 2-Terminal, 12V, 20 Amp Rating, Each

Part Number: UPD-90650

4.6 out of 5 stars ( 52 )

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Turn Signal Flasher, LED, 3-Terminal, 12V, 20 Amp Rating, Each

Part Number: UPD-90651

4.71 out of 5 stars ( 14 )

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Flasher Unit, LED Flasher, 12 V, 20 Amp Rating, Two Terminals, Reverse Polarity, Extension Wires, Each

Part Number: UPD-90649

5.0 out of 5 stars ( 2 )

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

Part Number: UPD-110252

3.43 out of 5 stars ( 7 )

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Brake Attention Module, LED Lighting Module, 1.5 Amp Maximum, Each

Part Number: UPD-90655

4.64 out of 5 stars ( 14 )

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Flasher Unit, 12 V, 20 amps, 2 Terminals, Jeep, Each

Part Number: CWA-J5452266

Not Yet Reviewed

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Flasher Unit, 12 V, 13.50 amps, 4 Terminals, Jeep, Each

Part Number: CWA-56009339

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Flasher Unit, 12 V, 13.50 amps, 5 Terminals, Dodge, Jeep, Each

Part Number: CWA-56007348

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Flasher Unit, 12 V, 12.80 amps, 3 Terminals, Jeep, Each

Part Number: CWA-56000903

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Flasher Unit, 12 V, 13.50 amps, 5 Terminals, Chrysler, Dodge, Jeep, Plymouth, Each

Part Number: CWA-4607084

Not Yet Reviewed

Estimated Ship Date: Feb 11, 2026 if ordered today

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Estimated Ship Date: Feb 11, 2026 if ordered today

Flasher, Flasher

Part Number: CWA-56007243

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Flasher, Flasher

Part Number: CWA-4686094

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Flasher, (BULK) 12 VOLT ELECTRICAL FLASHER

Part Number: UPD-40006

Not Yet Reviewed

Estimated Ship Date: Dec 11, 2025 if ordered today

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Estimated Ship Date: Dec 11, 2025 if ordered today

Relay, Flasher Unit, 12 V, LED Flasher, No Load, 25 Amp, Each

Part Number: PRF-80230

4.74 out of 5 stars ( 38 )

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Flasher Unit, LED Flasher, 12 V, Two Terminals, Reverse Polarity, Ground Wire, Each

Part Number: DGT-DT20002

5.0 out of 5 stars ( 4 )

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Flasher Units, LED Flashers, 12 V, 25 amps, 2 Terminals, Polarity Reversing Adapter, Each

Part Number: EMS-MS300-80

5.0 out of 5 stars ( 2 )

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FLASHER UNIT 12V 21W5W2 (4)

Part Number: HLA-001887041

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Flasher Units, No-Load LED Flashers, 12 V, 25 amps, 2 Terminals, Pair

Part Number: RFW-EL40

4.33 out of 5 stars ( 9 )

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Flasher Unit, 2 Terminal, 12 V, 20 amp, Variable Load, Heavy Duty, 10 Lamp Electromechanical, Each

Part Number: GTE-44810

5.0 out of 5 stars ( 2 )

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Flasher Unit, 2 Terminal, 12 V, 20 amp, Variable Load, Heavy Duty, LED and Incandescent, External Ground Wire, Each

Part Number: GTE-44891

4.5 out of 5 stars ( 8 )

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Flasher Units, No-Load LED Flashers, 12 V, 25 amps, 2 Terminals, Each

Part Number: RFW-EL41

3.0 out of 5 stars ( 3 )

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Flasher Unit, 2 Terminal, 12 V, 33 amp, 12 Lamp, Electromechanical, Each

Part Number: GTE-44530

5.0 out of 5 stars ( 1 )

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Flasher Unit, 3 Terminal, 12 V, 20 amp, Variable Load, Heavy Duty, 10 Lamp Electromechanical, Each

Part Number: GTE-44820

5.0 out of 5 stars ( 1 )

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Flasher Unit, 2 Terminal, 24 V, 25 amp, Variable Load, Heavy Duty, 12 Lamp Electromechanical, Each

Part Number: GTE-44850

Not Yet Reviewed

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