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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 - 18 of 18

Relay, 20AMP, Relay for Relay Box, Each

Part Number: FIF-60035-1

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

Part Number: SMP-RY116

5.0 out of 5 stars ( 3 )

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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, 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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Multi Purpose Relay

Part Number: HLA-933332541

Not Yet Reviewed

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 GLOW MB 300D, CD, SD, TD

Part Number: HLA-008188021

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Multi Purpose Relay, Relays

Part Number: HLA-933332571

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

HVAC System Relay

Part Number: UAC-RE4476C

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

HVAC System Relay

Part Number: UAC-RE4800C

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

HVAC System Relay

Part Number: UAC-RE0959C

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

HVAC System Relay

Part Number: UAC-RE8000C

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Multi Purpose Relay

Part Number: HLA-933332641

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 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

HVAC System Relay

Part Number: UAC-RE1011C

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

UAC branded NEW Relay

Part Number: UAC-RE8423C

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Relay, 10 Amp, 12 V, Stock, Each

Part Number: SMP-RY299

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

RELAY GLOW MB 300D TURB 90-93

Part Number: HLA-008188061

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

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