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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.
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.
Showing In Stock Items. Show All 489 Items.
Relay, Headlight, 40 Amp, Single Pole, 9004/9007, Each
Part Number: PRF-30816
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headlamp Relief Relay, 40 Amps, Dual Relays, 12 V, Kit
Part Number: RFW-HR58
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Relay, Auxiliary Light, 30 Amp, Single Pole, Each
Part Number: PRF-30803
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Relay, Brake Light, 30 Amp, Single Pole, Each
Part Number: PRF-30105
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Headlamp Relief Relay, 40 Amps, Single Relay, 12 V, Kit
Part Number: RFW-HR56
Estimated Ship Date: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 if ordered today
Reverse Dome Light Relay, 12 V, 5-Blade, Kit
Part Number: RFW-RD3
Not Yet Reviewed
Estimated Ship Date: Jan 8, 2026 if ordered today
Estimated Ship Date: Jan 8, 2026 if ordered today
Parts & Accessories ORACLE LED 2 Pin Relay Flasher
Part Number: ORC-2022-504
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Relay, Auxiliary Lighting, General Use, 15 Amp/25 Amps, Single Pole, Each
Part Number: PRF-80136
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Driving/Fog Light Relay; Mini 20/40 Amp SPDT Relay; 12V Nominal; 8.5V Must Operate;
Part Number: HLA-007794321
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Brake Attention Module, LED Lighting Module, 1.5 Amp Maximum, Each
Part Number: UPD-90655
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Relays, 40 amps, 12 V, Single Pole, 5 Blade Terminals, General Use, Auxiliary Lighting Usage, Each
Part Number: HLA-933332011
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Driving/Fog Light Relay; Mini 20/30 Amp SPDT Relay; w/Resistor; 12V Nominal; 8.5V Must Operate; 1V Must Releas
Part Number: HLA-933332181
Not Yet Reviewed
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Relay, Headlight, 12 V, OE-Style with Modern electronics, Saab, Each
Part Number: URO-008572
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Relays, Headlight Enhancement Relay with G for Aaw, 12 V, 40 amps, Kit
Part Number: AWW-500403
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Relays, Headlight Enhancement Relay with G for Aaw, 12 V, 40 amps, Waterproof, Kit
Part Number: AWW-500431
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Parking Brake Warning Relay, Brake Light Turn Signal Converter Module
Part Number: KCW-89688
Not Yet Reviewed
Estimated Ship Date: Dec 12, 2025 if ordered today
Estimated Ship Date: Dec 12, 2025 if ordered today
Lens, Turn Signal / Parking Light, Amber, Jeep, Each
Part Number: OMX-1241101
Not Yet Reviewed
Estimated Ship Date: Feb 9, 2026 if ordered today
Estimated Ship Date: Feb 9, 2026 if ordered today
Relay Board Assembly, RELAY BOARD ASSY., Complete 1967 Camaro w/RS electric headlights,
Part Number: AWW-40120
Not Yet Reviewed
Estimated Ship Date: Jan 14, 2026 if ordered today
Estimated Ship Date: Jan 14, 2026 if ordered today
EM- Headlight Washer Rly
Part Number: SMP-RY-1570
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
EM- Headlight Washer Rly
Part Number: SMP-RY-1524
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
EM- Headlight Relay
Part Number: SMP-RY-1589
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
EM- Headlight Washer Rly
Part Number: SMP-RY-1605
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
EM- Headlight Relay
Part Number: SMP-RY-956
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
EM- Headlight Relay
Part Number: SMP-RY-1194
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Headlight Relay
Part Number: SMP-RY-1789
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
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