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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 - 22 of 22

Direct Fit Auto Fuse Series-Relay and Connector Kit , Needed with 1967-1978 Chevy Truck Direct Fit Auto Fuse Dash harness Purchase , Chevrolet

Part Number: SUM-RP20466

Not Yet Reviewed

Estimated Ship Date: Today

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Relays, Track Rocker Relay Control System, 12 V, 30 amps, Each

Part Number: PRF-58100

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Banked Relay System, 12 V, 30 amps, 8-Position, Kit

Part Number: AWW-510924

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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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Banked Relay System, 12 V, 30 amps, 6-Position, Kit

Part Number: AWW-510922

Not Yet Reviewed

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Flasher, No Load Adjustable Pulse Flasher

Part Number: KCW-10854

Not Yet Reviewed

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Banked Relay System, 12 V, 30 amps, 4-Position, Kit

Part Number: AWW-510920

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Relay, 30 Amp, 12 V, Ford, Mazda, Mercury, Suzuki, Each

Part Number: SMP-RY225

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Electrical Relay, 12V, 4 Male Terminals, Mazda, Each

Part Number: FSS-36148

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Relay, Stock, 12 V, Each

Part Number: SMP-RY1052T

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Relay, 70 Amp, 12 V, Stock, Each

Part Number: SMP-RY1072

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Relay, Stock, 12 V, Each

Part Number: SMP-RY-1052

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Relay, Stock, 12 V, Each

Part Number: SMP-RY-1767

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Relay, 40 Amp, 12 V, Stock, Each

Part Number: SMP-RY1031

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Relay, 30 Amp, 12 V, Stock, Each

Part Number: SMP-RY214T

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Relay, 30 Amp, 12 V, Stock, Each

Part Number: SMP-RY225T

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Relay, 12 V, for use on Acura®, Chevy, Chrysler, Dodge, Geo, for use on Honda®, Lexus, Mitsubishi, Toyota, Each

Part Number: SMP-RY291T

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Relay, 40 Amp, 12 V, Stock, Each

Part Number: SMP-RY349

Not Yet Reviewed

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Relay, Multi Purpose, High Power, General, 8386, Each

Part Number: ADO-13500114

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Relays, Replacement, 35 amps, 12 V, 5 Blade Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each

Part Number: ADO-D1780C

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Relays, ACDelco Replacement Relays, 12 Volt, 5 Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Olds, Pontiac, Saab, Saturn, Each

Part Number: ADO-19118886

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

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