Summit Racing SpeedCard - learn how to get 15% back up to $150

Summit Racing SpeedCard - learn how to get 15% back up to $150

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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 55

Starter Relay, Suzuki Samurai Clicky Starter Relay Upgrade Kit

Part Number: LRO-SEU-CSF

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

Crash Sensor System, Fuel Pump Shut Off, 30 Amps, 12 V, Each

Part Number: RFW-CR92

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Relay, Fuel Pump, Weatherproof, 30 Amp, Single Pole, Each

Part Number: PRF-30131

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Today

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Relay, Fan, 40 Amp, Single Pole, Each

Part Number: PRF-30101

4.69 out of 5 stars ( 49 )

Estimated Ship Date: Today

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Relay, 12 V, 40 amps, Single Pole, Wire Leads Terminal Type, Wiring Harness, Fuse, Kit

Part Number: AWW-500479

4.81 out of 5 stars ( 21 )

Estimated Ship Date: Today

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Relay, 12 V, 70 amps, Single Pole, Wire Leads Terminal Type, Wiring Harness, Kit

Part Number: AWW-500511

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Relay, High Beam/Low Beam Switching, 12 V, 40 amps, Each

Part Number: IDT-3100006040

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Fan Relay; Universal 70 Amp Fan Relay KIt

Part Number: PRF-30100

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Relay, Alternator Shut Down, 250 Amp, Single Pole, Each

Part Number: PRF-50105

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Fan Relay Kit; PCM Controlled

Part Number: PRF-30109

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Fan Relay Kit, 70 Amps, 12V, Temperature Sender, Single Relay, Fuse, Wire Harness, Kit

Part Number: AWW-510002

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Relay, 12 V, 60 amps, Double Pole, Wiring Harness, Kit

Part Number: AWW-510602

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Flasher, Thermal, 12 V, 12.80 amps, 2 Terminals, Each

Part Number: BSS-NO552

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Relay, Cooling Fan Use, 70 Amp, Single Pole, Each

Part Number: VTA-23102-VUW

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Relay, Cooling Fan Use, 30 Amp, Single Pole, Each

Part Number: VTA-23101-VUW

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Flasher, Thermal, 6 V, 5.2 amps, 3 Terminals, Each

Part Number: BSS-NO535

Not Yet Reviewed

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Relay, Starter Usage, 12 V, Jeep, Each

Part Number: CWA-J3235898

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Relay, Starter Usage, 12 V, Jeep, Each

Part Number: CWA-33003934

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Relay 2006-2010 PT Cruiser (Transmission Control, Radiator Fan); 2009-2010 JC Journey (PCM);

Part Number: CWA-4692079AA

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Relay, 12 V, 35 amps, Single Pole Double Throw, Wiring Harness, Waterproof Design, Kit

Part Number: AWW-500093

Not Yet Reviewed

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Relay, Micro SPDT, 12 V, Chrysler, Dodge, Eagle, Jeep, Plymouth, Each

Part Number: CWA-4608650

Not Yet Reviewed

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Relay, Horn Usage, 12 V, Jeep, Each

Part Number: CWA-J5456647

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Relay, Mini SPST, Electric Fan Usage, 12 V, Chrysler, Jeep, Each

Part Number: CWA-4504215

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Relay, Horn Usage, 12 V, Jeep, Each

Part Number: CWA-J3242520

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

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