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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.

Showing All Items, Including Not in Stock Items That Match "RY-231"

Individual Parts

Results 1 - 25 of 109

Relay, 30 Amp, 12 V, Stock, Each

Part Number: SMP-RY231

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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

Part Number: SMP-RY116

5.0 out of 5 stars ( 4 )

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 )

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

Part Number: SMP-RY109

5.0 out of 5 stars ( 1 )

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Relay, 30 Amp, 12 V, Stock, Each

Part Number: SMP-RY246

Not Yet Reviewed

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

Part Number: SMP-RY612

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Relay, 70 Amp, 12 V, Audi, Chevrolet, Mazda, Pontiac, Volkswagen, Each

Part Number: SMP-RY255

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Relay, Starter Relay Position, 12.8 V, Blade Terminal Type, for Kia, Each

Part Number: SMP-RY-1603

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Multi-Function Relay

Part Number: SMP-RY-1757

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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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 )

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Coolant Fan Relay

Part Number: SMP-RY-1804

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Multi-Function Relay

Part Number: SMP-RY-1769

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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EM- Blower Motor Relay

Part Number: SMP-RY-594

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

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: Today

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EM- Accessory Relay

Part Number: SMP-RY-1561

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Ignition Relay

Part Number: SMP-RY-1613

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Relay

Part Number: SMP-RY601

Not Yet Reviewed

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Relay, 30 Amp, 12 V, Chrysler, Dodge, Plymouth, Each

Part Number: SMP-RY119

Not Yet Reviewed

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Relay, 70 Amp, 12 V, Stock, Each

Part Number: SMP-RY-1500

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Relay, 40 Amp, 12 V, Stock, Each

Part Number: SMP-RY-1773

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Relay, 30 Amp, 12 V, Stock, Each

Part Number: SMP-RY-1620

Not Yet Reviewed

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Relay, 30 Amps, Chevy, GMC, Each

Part Number: SMP-RY-117

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Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Relay, 40 Amp, 12 V, Stock, Each

Part Number: SMP-RY-1110

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

Relay, 30 Amp, 12 V, Stock, Each

Part Number: SMP-RY-1498

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

EM- Accessory Relay

Part Number: SMP-RY-1497

Not Yet Reviewed

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