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.
Showing In Stock Items. Show All 153 Items.
Relay, Radiator Fan Control Relay, Direct Replacement, Ram, Each
Part Number: RNB-921-301
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Today
Radiator Fan Control Module
Part Number: RNB-902-502
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Radiator Fan Control Module
Part Number: RNB-904-601
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 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: Today
Estimated Ship Date: Today
Fan Relay, 40/60 Amp, 25 Amp Continuous, Each
Part Number: DER-16765
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 40/60 Amp, 25 Amp Continuous, 30 Amp Fuse, Each
Part Number: DER-16763
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 30 Amps, Single Pole, Wiring Pigtail, Each
Part Number: AAF-ALL76186
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, Solid State, 100 Amps, Universal, Each
Part Number: HTH-HT-030202
Estimated Ship Date: Today
Estimated Ship Date: Today
Relays, 30 Amp, 12 V, Single Pole, 5 Blade Terminals, Wiring Harness, General Use, Each
Part Number: AAF-ALL76188
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
POWER WINDOW RELAY
Part Number: GMK-4020-374-674
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
A/C Control Relay
Part Number: SMP-RY805T
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Today
Relay, 20 amps, 12 V, Blade Terminal, 4 Male, Each
Part Number: DNP-567-0001
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 30 Amp, 12 V, American Motors, Audi, BMW, Buick, Cadillac, Chevy, Chrysler, Daewoo, Dodge, Eagle, Fiat, Ford Geo, GMC, for use on Honda®, Each
Part Number: SMP-RY116T
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, Multi Purpose, High Power, General, 8386, Each
Part Number: ADO-13500114
Estimated Ship Date: Today
Estimated Ship Date: Today
Relays, Replacement, 35 amps, 12 V, 5 Blade Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab, Saturn, Suzuki, Each
Part Number: ADO-D1780C
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Multi Purpose Relay
Part Number: HLA-933332541
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, Replacement, 12 V, 35 amps, 5 Male Spade Terminals, Buick, Cadillac, Chevy, GMC, Hummer, Pontiac, Each
Part Number: ADO-15-81106
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, Replacement, 12 V, 30 amps, 4 Male Terminals, Buick, Cadillac, Chevy, Daewoo, Dodge, Pontiac, Saturn
Part Number: ADO-D1741C
Estimated Ship Date: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster