Selected Filters


Loading...

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.

Individual Parts

Results 1 - 25 of 219

Relay, Radiator Fan Control Relay, Direct Replacement, Ram, Each

Part Number: RNB-921-301

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

...Loading

Estimated Ship Date: May 8, 2026 if ordered today

Fan Relay Kit; PCM Controlled

Part Number: PRF-30109

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Radiator Fan Control Module

Part Number: RNB-902-502

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

...Loading

Estimated Ship Date: May 8, 2026 if ordered today

Radiator Fan Control Module

Part Number: RNB-904-601

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

...Loading

Estimated Ship Date: May 8, 2026 if ordered today

Relay, Electrical, 12 V, Engine Cooling Fan Controller Relay Position, Ford, Mercury, Each

Part Number: FSS-37506

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Radiator Fan Control Relay

Part Number: RNB-921-302

Not Yet Reviewed

Estimated Ship Date: May 8, 2026 if ordered today

...Loading

Estimated Ship Date: May 8, 2026 if ordered today

Fan Relay, 40/60 Amp, 25 Amp Continuous, Each

Part Number: DER-16765

3.88 out of 5 stars ( 40 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Relay, 40/60 Amp, 25 Amp Continuous, 30 Amp Fuse, Each

Part Number: DER-16763

4.16 out of 5 stars ( 25 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Relay, Fan, 40 Amp, Single Pole, Each

Part Number: BCI-75095

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Relay, 30 Amps, Single Pole, Wiring Pigtail, Each

Part Number: AAF-ALL76186

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Relay, Solid State, 100 Amps, Universal, Each

Part Number: HTH-HT-030202

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

Relays, 30 Amp, 12 V, Single Pole, 5 Blade Terminals, Wiring Harness, General Use, Each

Part Number: AAF-ALL76188

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

HORN RELAY

Part Number: GMK-4012-263-72

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jun 15, 2026 if ordered today

...Loading

Estimated Ship Date: Jun 15, 2026 if ordered today

POWER WINDOW RELAY

Part Number: GMK-4020-374-674

Not Yet Reviewed

Estimated Ship Date: Monday 4/20/2026 if shipped by air

...Loading

Estimated Ship Date: Monday 4/20/2026 if shipped by air

75 Amp Solid State Relays'- Kyoto

Part Number: HTH-HT-030208

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Coolant Fan Relay

Part Number: SMP-RY-1148

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Solid state relay - 160A

Part Number: HTH-HT-030206

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

...Loading

Estimated Ship Date: May 4, 2026 if ordered today

Relay, Auxiliary Engine Cooling Fan, 30 amp, 12 V, 4 Terminal, Male Blade, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-RY83

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

...Loading

Estimated Ship Date: May 5, 2026 if ordered today

Relay, Engine Cooling Fan Motor, 20 amp, 12 V, 6 Terminal, Male Blade, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Volkswagen, Each

Part Number: SMP-RY603

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Relay, A/C Condenser Fan Motor, 60 amp, 12 V, 4 Terminal, Male Blade, Land Rover, Each

Part Number: SMP-RY937

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Relay, A/C Condenser Fan Motor, 20 Amp, 12 V, 4 Terminal, Male Blade, for Hyundai, Each

Part Number: SMP-RY451

Not Yet Reviewed

...Loading

A/C Control Relay

Part Number: SMP-RY805T

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

EM- A/C Control Relay

Part Number: SMP-RY-659

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today

Relay, Temperature Control, 20 amp, 12 V, 4 Terminal, Male Blade, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-RY85

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

...Loading

Estimated Ship Date: May 5, 2026 if ordered today

Relay, Computer Control, 25 amp, 12 V, 5 Terminal, Male Blade, Ford, Lincoln, Mercury, Merkur, Each

Part Number: SMP-RY71

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

...Loading

Estimated Ship Date: May 6, 2026 if ordered today