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

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.

Showing In Stock Items. Show All 19 Items.

Individual Parts

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Results 1 - 11 of 11

35 amps MSD High-Current Solid State Relay Block 75643-HC

Relays, High-Current, Solid State, 4 Channel, 35 amps, Black Each

Part Number: MSD-75643-HC

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Today

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40 amps NOS Solid State Relay 15620NOS

Relays, Solid State, 40 amps, 5-20 V, Single Pole, Female Connector Terminal Type, 24 in. Pigtail, Nitrous Usage, Each

Part Number: NOS-15620NOS

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

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35 amps MSD High-Current Solid State Relay Block 7564-HC

Relays, High-Current, Solid State, 4 Channel, 35 amps, Red, Each

Part Number: MSD-7564-HC

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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20 amps MSD Solid State Relay 75643

Relay Block, Solid State, Stand Alone, Black, Each

Part Number: MSD-75643

3.36 out of 5 stars ( 11 )

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100 amps Haltech Solid State Relay HT-030202

Relay, Solid State, 100 Amps, Universal, Each

Part Number: HTH-HT-030202

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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20 amps MSD Solid State Relay 7564

Relay Block, Solid State, Stand Alone, 4 Channel, 20 Amp Fused, Red, Each

Part Number: MSD-7564

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Today

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20 amps MSD Solid State Relay 89612

Relay, Fuel Pump, 20 Amp, 12 V, Single Pole, Spade Terminal, Each

Part Number: MSD-89612

Not Yet Reviewed

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20 amps FuelTech Staging/Brake Control Solid State Relay 3020004086

Relay, Solid State, 20 Amp, 12 V, Single Pole, Each

Part Number: FCH-3020004086

Not Yet Reviewed

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FuelTech Relays 3020100067

SOLID STATE RELAY

Part Number: FCH-3020100067

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2025 if ordered today

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Estimated Ship Date: Nov 10, 2025 if ordered today

Need It Sooner? We recommend these similar substitute parts:

100 amps Haltech Solid State Relay HT-030202

4.75 out of 5 stars ( 3 )

Estimated Ship Date: Today

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20 amps Hella Relay 931774031

Relay, Multi Purpose, Single Pole, 20 Amp, 12 V, Sealed Cover, Form A, Solid State Switch, Mini Relay, ISO, Each

Part Number: HLA-931774031

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Diode Dynamics Relays DD3067

Switchback Solid-State Relay Harness Pair Diode Dynamics

Part Number: DOD-DD3067

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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Estimated Ship Date: Dec 1, 2025 if ordered today

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