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, 30 Amp, 12 V, Stock, Each
Part Number: SMP-RY231
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 30 Amp, 12 V, Stock, Each
Part Number: SMP-RY246
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 12 V, 20 amps, Spade Terminal, Each
Part Number: SMP-RY612
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 70 Amp, 12 V, Audi, Chevrolet, Mazda, Pontiac, Volkswagen, Each
Part Number: SMP-RY255
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, Starter Relay Position, 12.8 V, Blade Terminal Type, for Kia, Each
Part Number: SMP-RY-1603
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Multi-Function Relay
Part Number: SMP-RY-1757
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, Buick, Cadillac, Chevy, Chrysler, Dodge, Eagle, Geo, GMC, Hummer, Jeep, for Nissan, Oldsmobile, Pontiac, Porsche, Saab, Each
Part Number: SMP-RY242
Estimated Ship Date: Today
Estimated Ship Date: Today
Coolant Fan Relay
Part Number: SMP-RY-1804
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Multi-Function Relay
Part Number: SMP-RY-1769
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
EM- Blower Motor Relay
Part Number: SMP-RY-594
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Electrical Relay, 12 V, Blade Terminal Type, Buick, Chevy, Cadillac, GMC, Oldsmobile, Pontiac, Each
Part Number: SMP-RY8
Estimated Ship Date: Today
Estimated Ship Date: Today
EM- Accessory Relay
Part Number: SMP-RY-1561
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Ignition Relay
Part Number: SMP-RY-1613
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-RY601
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 30 Amp, 12 V, Chrysler, Dodge, Plymouth, Each
Part Number: SMP-RY119
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 70 Amp, 12 V, Stock, Each
Part Number: SMP-RY-1500
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-RY-1773
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-1620
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Relay, 30 Amps, Chevy, GMC, Each
Part Number: SMP-RY-117
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Relay, 40 Amp, 12 V, Stock, Each
Part Number: SMP-RY-1110
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-1498
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
EM- Accessory Relay
Part Number: SMP-RY-1497
Not Yet Reviewed
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster