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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 25

EM- Heated Seat Relay

Part Number: SMP-RY-1069

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Relay, Power Window, Reversing, 2-Window, 12 V, 40 amps, Each

Part Number: AWW-510961

Not Yet Reviewed

Estimated Ship Date: Today

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Relay, Starter Usage, 12 V, Dodge, Plymouth, Each

Part Number: OER-2444442

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Relay, 40 Amp, Single Pole, Kit

Part Number: CEI-108123

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Relay, Starter Relay, 12 Volt, Single Pole, Blade/Screw, 4 Terminal, Dodge, Plymouth, Manual Transmission, Each

Part Number: OER-2444453

Not Yet Reviewed

Estimated Ship Date: Today

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Relay, Reproduction, 12V, 3 Blade Terminals, Power Window, Cowl Induction Hood, Chevrolet, Each

Part Number: OER-4540898

Not Yet Reviewed

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

Part Number: SMP-RY116

5.0 out of 5 stars ( 3 )

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

Part Number: RNB-88069

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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: Today

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Relay, 30 Amp, 12 V, Stock, Each

Part Number: SMP-RY246

Not Yet Reviewed

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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: Today

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Relay, Replacement, 12 V, 35 amps, 5 Male Spade Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each

Part Number: ADO-15-81106

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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

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Relay, 20 amps, 12 V, Blade Terminal, 4 Male, Each

Part Number: DNP-567-0001

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: RNB-84601

Not Yet Reviewed

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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: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

Relay, 20 amps, 12 V, Blade Terminal, 4 Male, Each

Part Number: DNP-567-0004

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2025 if ordered today

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Estimated Ship Date: Dec 30, 2025 if ordered today

Multi-Function Relay

Part Number: SMP-RY-1757

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 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: Jan 6, 2026 if ordered today

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Estimated Ship Date: Jan 6, 2026 if ordered today

RELAY ASM, MULTIUSE

Part Number: NAL-19118886

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Multi-Function Relay

Part Number: SMP-RY1811

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Fog Lamp Relay

Part Number: SMP-RY-1651

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

RELAY SWITCH

Part Number: HLN-2RSW1004

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Estimated Ship Date: Dec 22, 2025 if ordered today

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