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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 In Stock Items. Show All 19 Items.

Individual Parts

Part Groups

Results 1 - 11 of 11

75 amps Dedenbear High-Power Relay BAR

75 amps Dedenbear High-Power Relay BAR

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 11/1/25 and 12/31/25. Rebate submission must be postmarked by 1/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

75 amps Dedenbear High-Power Relay BAR

Relay, 75 Amp, 4-Terminal, Bosch, Built-in Mounting Brackets, Each

Part Number: DED-BAR

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Mail - In Rebate

Rebate amount based on part(s) total.

Rebate Expires: 12/31/2025

Get up to $150 back after rebate when you buy products from AutoMeter Brands! Go to: http://summitracing.com/go/atm

Get up to $150 back after rebate when you buy AutoMeter Products! Also includes Auto Gage, Dedenbear, Marine, Spek-Pro and Stack Brands. Spend $100-$199 and get $10 back. Spend $200-$449 and get $25 back. Spend $450-$699 and get $50 back. Spend $700-$999 and get $75 back. Spend $1,000-$1,499 and get $100 back. Spend $1,500 or more and get $150 back. Go to http://summitracing.com/go/atm for complete offer information. Valid on purchases made between 11/1/25 and 12/31/25. Rebate submission must be postmarked by 1/31/26. Limit one rebate per household. Allow up to 12 weeks for processing. Purchase amount is the subtotal before taxes and shipping.

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30 amps American Autowire Banked Relay Systems 510924

30 amps American Autowire Banked Relay Systems 510924

30 amps American Autowire Banked Relay Systems 510924

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

Part Number: AWW-510924

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

30 amps American Autowire Banked Relay Systems 510920

30 amps American Autowire Banked Relay Systems 510920

30 amps American Autowire Banked Relay Systems 510920

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

Part Number: AWW-510920

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

30 amps American Autowire Banked Relay Systems 510922

30 amps American Autowire Banked Relay Systems 510922

30 amps American Autowire Banked Relay Systems 510922

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

Part Number: AWW-510922

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

40 amps MSD Relay Module 7566-4

40 amps MSD Relay Module 7566-4

40 amps MSD Relay Module 7566-4

Relay Module, Four Channel, 40 Amp, 7-20V, Each

Part Number: MSD-7566-4

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

40 amps MSD Relay Module 7566-2

40 amps MSD Relay Module 7566-2

40 amps MSD Relay Module 7566-2

Relay Module, Two Channel, 40 Amp, 7-20V, Each

Part Number: MSD-7566-2

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

40 amps MSD Relay Module 7566-1

40 amps MSD Relay Module 7566-1

40 amps MSD Relay Module 7566-1

Relay Module, Single Channel, 40 Amp, 7-20V, Each

Part Number: MSD-7566-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

This product may not be eligible for select promotional offers

30 amps Dorman Relay 84601

30 amps Dorman Relay 84601

30 amps Dorman Relay 84601

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

Part Number: RNB-84601

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

70 amps Standard Motor Relay RY-255

70 amps Standard Motor Relay RY-255

70 amps Standard Motor Relay RY-255

Relay, 70 Amp, 12 V, Audi, Cadillac, Dodge, Saab, VW, Each

Part Number: SMP-RY255

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

40 amps Hella Relay 933332541

40 amps Hella Relay 933332541

40 amps Hella Relay 933332541

Multi Purpose Relay

Part Number: HLA-933332541

Not Yet Reviewed

Estimated Ship Date: Jan 20, 2026 if ordered today

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Estimated Ship Date: Jan 20, 2026 if ordered today

URO Parts Relays 8522310

URO Parts Relays 8522310

URO Parts Relays 8522310

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

Part Number: URO-008583

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

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