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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 26

Relays, 12 V, 40 amps, Four Blade Terminals, Air Compressor Relay with Bracket, Each

Part Number: ARB-180905SP

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Air Conditioning Relay, 40 Amp, Each

Part Number: RFW-AR15

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Relay System, Electric Fan, 30 Amps, Each

Part Number: RFW-AR35

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Electrical Relay, 12 V, Blade Terminal Type, Buick, Chevy, Cadillac, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-RY8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Relays, Replacement, 12 V, 30 amps, 4 Blade Terminals, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Subaru, Volkswagen, Each

Part Number: ADO-D1724C

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Relay, 12 V, Spade Terminal Type, Chevy, Dodge, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-RY11

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: Tomorrow

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Multi Purpose Relay

Part Number: HLA-965453801

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Relay, Multi-Purpose, 12V, 4 Blade Terminals, OE-Style with Modern Electronics, Saab, Each

Part Number: URO-008583

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

Relay, 30 Amp, 12V, 5 Male Terminals, Each

Part Number: SMP-RY116

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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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: Tomorrow

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Relay, 12 V, 30 amps, Spade Terminal Type, Each

Part Number: RNB-88069

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Relay, 12 V, 20 amps, Spade Terminal, Each

Part Number: SMP-RY612

Not Yet Reviewed

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Relay, 30 Amp, 12V, 5 Male Terminals, Each

Part Number: SMP-RY115

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Relay, 30 Amp, 12V, 5 Male Terminals, Each

Part Number: SMP-RY109

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Relay, 30 Amp, 12 V, American Motors, Audi, BMW, Buick, Cadillac, Chevy, Chrysler, Daewoo, Dodge, Eagle, Fiat, Ford Geo, GMC, for use on Honda®, Each

Part Number: SMP-RY116T

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Relay, 40 Amp, 12 V, Buick, Cadillac, Chevy, Chrysler, Dodge, Eagle, Geo, GMC, Hummer, Jeep, for Nissan, Oldsmobile, Pontiac, Porsche, Saab, Each

Part Number: SMP-RY242

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Relay, Replacement, 12 V, 30 amps, 4 Male Terminals, Buick, Cadillac, Chevy, Daewoo, Dodge, Pontiac, Saturn

Part Number: ADO-D1741C

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Relays, Replacement, 12 V, 35 amps, 4 Blade Terminals, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Each

Part Number: ADO-13503102

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Relay, HVAC, 20 amp, 12 V, 5 Terminal, Male Blade, Each

Part Number: SMP-RY612T

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Relay, 12 V, 30 amps, Spade Terminal Type, Each

Part Number: RNB-84601

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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RELAY ASM, MULTIUSE

Part Number: NAL-19118886

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Relay, Multi-Purpose, 12V, 5 Blade Terminals, OE-Style with Modern Electronics, Saab, Each

Part Number: URO-008584

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

Relay

Part Number: SMP-RY601

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

RELAY ASM, MULTIUSE *GRAY

Part Number: NAL-13503102

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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