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 184 Items.
Relay Mini 20/40 Amp SPDT w/ Bracket & Resistor
Part Number: HLA-007794301
Estimated Ship Date: Today
Estimated Ship Date: Today
Relays, 20 amps, 24 V, Single Pole, 5 Blade Terminals, Weatherproof Relay with Bracket, General Use, Each
Part Number: HLA-933332201
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, Weatherproof Relay with Bracket, 12 V, 40 amps, Single Pole, Spade Terminal Type, Each
Part Number: HLA-007794311
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, General Use, 12 V, 30/20 amp, Single Pole 5 Terminal, Blade Style Pin, Mounting Bracket, Each
Part Number: BCH-0986AH0150
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Relays, 12 V, 40 amps, Four Blade Terminals, Air Compressor Relay with Bracket, Each
Part Number: ARB-180905SP
Estimated Ship Date: Today
Estimated Ship Date: Today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 4/30/2026
Relay, 75 Amp, 4-Terminal, Bosch, Built-in Mounting Brackets, Each
Part Number: DED-BAR
Estimated Ship Date: Today
Mail - In Rebate
Rebate amount based on part(s) total.
Rebate Expires: 4/30/2026
Estimated Ship Date: Today
1964-74 Ford / Mercury; Horn Relay & Bracket Assembly; Mustang / Falcon / Comet / F-100
Part Number: OER-13853
Not Yet Reviewed
Estimated Ship Date: Aug 11, 2026 if ordered today
Estimated Ship Date: Aug 11, 2026 if ordered today
Relay and Connector Kit, 12 V, 40 amps, Single Pole, Spade Terminal Type, Wiring Harness, Kit
Part Number: PCO-5593PT
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay and Harness, 40 Amp, Single Pole, Kit
Part Number: PCO-5591PT
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, Alternator Shutdown, 12 V, 250 amps, Single Pole, Male Thread Terminal, Each
Part Number: MOR-74107
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 12 V, 30/40 amps, Single Pole, Spade Terminal Type, Double Throw, Each
Part Number: PCO-5590PT
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 12 V, 30/40 amps, Single Pole, Spade Terminal Type, Each
Part Number: PCO-5592PT
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, General Use, 12 V, 30/20 amp, Single Pole 5 Terminal, Blade Style Pin, Each
Part Number: BCH-0986AH0151
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, HVAC Blower Motor Cutout Usage, Spade Terminal Type, Buick, Cadillac, Chevy, GMC, Olds, Pontiac, Each
Part Number: FSS-35760
Estimated Ship Date: Today
Estimated Ship Date: Today
Relays, 30 amps, 12 V, Single Pole, 4 Blade Terminals, General Use, Each
Part Number: HLA-965400001
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, 12V, Chrysler, Dodge, Plymouth, Horn, Each
Part Number: SMP-HR135
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, OEM Replacement, Horn/Trunk Release, Each
Part Number: SMP-HR151
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, HVAC, 20 amp, 12 V, 5 Terminal, Male Blade, Each
Part Number: SMP-RY612T
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, HVAC Blower Motor Usage, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: FSS-35777
Estimated Ship Date: Today
Estimated Ship Date: 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
Multi Purpose Relay
Part Number: HLA-933332661
Not Yet Reviewed
Estimated Ship Date: Jun 9, 2026 if ordered today
Estimated Ship Date: Jun 9, 2026 if ordered today
Truck / SUV
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