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.
Fuel Injection Relay, Replacement, Each
Part Number: SMP-RY63
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Relay, T-Series, 30 Amp, 12 V, 4 Blade Terminals, for Infiniti, for Nissan, Mercury, Each
Part Number: SMP-RY63T
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
EM- A/C Control Relay
Part Number: SMP-RY-639
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Relay, Headlight, 30 amps, 12 V, 5 Terminal, Male Blade, for Hyundai, Each
Part Number: SMP-RY636
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Relay, Multi Purpose, 20 amps, 12 V, 5 Terminal, Male Blade, Chrysler, Dodge, Plymouth, Each
Part Number: SMP-RY633
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Relay, ABS, 10 amps, 12 V, 5 Terminal, Male Blade, Jeep, Each
Part Number: SMP-RY632
Not Yet Reviewed
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
Relay, 20 Amp, 12 V, for Hyundai, Each
Part Number: SMP-RY637
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
EM- A/C Control Relay
Part Number: SMP-RY-638
Not Yet Reviewed
Relay, 20 Amp, 12 V, for Hyundai, Each
Part Number: SMP-RY635
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 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 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 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 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
EM- Defroster Relay
Part Number: SMP-RY-1408
Not Yet Reviewed
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