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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.
Relay
Part Number: SMP-RY67
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
EM- Coolant Fan Relay
Part Number: SMP-RY-676
Not Yet Reviewed
Relay, 12 V, Mitsubishi, Each
Part Number: SMP-RY677
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, Computer Control, 20 amp, 12 V, 4 Terminal, Male Blade, Mazda, Each
Part Number: SMP-RY670
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
EM- Fuel Pump Relay
Part Number: SMP-RY-671
Not Yet Reviewed
Relay, 20 Amp, 12 V, Stock, Each
Part Number: SMP-RY674
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, 12 V, Mazda, Each
Part Number: SMP-RY675
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
EM- Computer Control Rly
Part Number: SMP-RY-672
Not Yet Reviewed
Relay, Power Window, 30 amp, 12 V, 4 Terminal, Male Blade, Subaru, Each
Part Number: SMP-RY673
Not Yet Reviewed
Relay, Stock, 12 V, Each
Part Number: SMP-RY679T
Not Yet Reviewed
Relay, 25 Amp, 12 V, Stock, Each
Part Number: SMP-RY680
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, 25 Amp, 12 V, Stock, Each
Part Number: SMP-RY805
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
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