Availability
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, Stock, 12 V, Each
Part Number: SMP-RY55
Not Yet Reviewed
Relay, Computer Control, 30 amp, 12 V, 5 Terminal, Male Blade, BMW, Each
Part Number: SMP-RY557
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, 20 Amp, 12 V, Lexus, Toyota, Each
Part Number: SMP-RY556
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, 40 Amp, 12 V, Stock, Each
Part Number: SMP-RY552
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, 20 Amp, 12 V, Stock, Each
Part Number: SMP-RY555
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, Stock, 12 V, Each
Part Number: SMP-RY553
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, Rear Window Defroster, 30 amp, 12 V, 5 Terminal, Male Blade, Oldsmobile, Pontiac, Each
Part Number: SMP-RY559
Not Yet Reviewed
Relay, 30 Amp, 12 V, Audi, Each
Part Number: SMP-RY550
Not Yet Reviewed
A/C Control Relay
Part Number: SMP-RY-1347
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, 30 Amp, 12 V, Stock, Each
Part Number: SMP-RY-1026
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay
Part Number: SMP-RY-1405
Not Yet Reviewed
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
EM- Defroster Relay
Part Number: SMP-RY-1408
Not Yet Reviewed
Relay, Fuel Injection, 15 amp, 12 V, 4 Terminal, Male Blade, Volvo, Each
Part Number: SMP-RY503
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, Secondary Air Injection, 30 amp, 12 V, 5 Terminal, Male Blade/Screw, Volvo, Each
Part Number: SMP-RY563
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, Computer Control, 40 amp, 12 V, 4 Terminal, Male Pin, Volvo, Each
Part Number: SMP-RY492
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, Air Bag, 30 amp, 12 V, 4 Terminal, Male Blade, Volvo, Each
Part Number: SMP-RY565
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, Secondary Air Injection, 30 amp, 12 V, 3 Terminal, Male Blade, Volvo, Each
Part Number: SMP-RY562
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, A/C Compressor Control, 30 amp, 12 V, 5 Terminal, Male Blade, Volvo, Each
Part Number: SMP-RY564
Not Yet Reviewed
Relay, Fog Light, 30 amp, 12 V, 5 Terminal, Male Blade, Volvo, Each
Part Number: SMP-RY567
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
EM- Fog Lamp Relay
Part Number: SMP-RY-1409
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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