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 40 Items.
Relay, 12 V, 40 amps, Single Pole, Wire Leads Terminal Type, Wiring Harness, Fuse, Kit
Part Number: AWW-500479
Estimated Ship Date: Today
Estimated Ship Date: Today
BUILD IT WITH SUMMIT!
Relay and Harness, 40 Amp, Single Pole, 12 in. Wire, 14-Gauge, Each
Part Number: SUM-890005
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 12 V, 70 amps, Single Pole, Wire Leads Terminal Type, Wiring Harness, Kit
Part Number: AWW-500511
Estimated Ship Date: Today
Estimated Ship Date: Today
Fan Relay Kit, 70 Amps, 12V, Temperature Sender, Single Relay, Fuse, Wire Harness, Kit
Part Number: AWW-510002
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 12 V, 60 amps, Double Pole, Wiring Harness, Kit
Part Number: AWW-510602
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 12 V, 35 amps, Single Pole Double Throw, Wiring Harness, Waterproof Design, Kit
Part Number: AWW-500093
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: 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, 12 V, 15 amps, Single Pole, Spade Terminal Type, Wiring Harness, Each
Part Number: RFW-RP1
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Relay, 40 Amp, 12 V, 5 Male Terminals, Double Relay, Single Pole Double Throw, Universal, Kit
Part Number: RFW-RL402
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 40 Amp, 12 V, 5 Male Terminals, Quad Relays, Single Pole Double Throw, Universal, Kit
Part Number: RFW-RL404
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, 40 Amp, 12 V, 5 Male Terminals, Single Pole Double Thow, Universal, Each
Part Number: RFW-RL40
Not Yet Reviewed
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
Relay, Water Pump, 30 Amp, Single Pole, Wiring Harness Crimp Connectors, Each
Part Number: MEZ-WIK346
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
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
Estimated Ship Date: Today
Estimated Ship Date: Today
Accessory Relay, Dimmer Switch Control, 15 Amp, Single Pole, Each
Part Number: RFW-RP3
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered today
Direct Fit Auto Fuse Series-Relay and Connector Kit , Needed with 1967-1978 Chevy Truck Direct Fit Auto Fuse Dash harness Purchase , Chevrolet
Part Number: SUM-RP20466
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Waterproof Relay, 30 AMP Continuous, 40 AMP Momentary, 12V, Each
Part Number: MRG-40100G
Estimated Ship Date: Today
Estimated Ship Date: Today
Relays, Built In 40 Amp Fuse, 12V, Each
Part Number: FCH-3020100310
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Estimated Ship Date: Today
Relay, Ignition Power, Auto, 30 Amps, 12/16 V, 3 Amp 400 V Diode, with Harness, Male/Female Blade Connectors/Terminals, Screws, and Socket, Kit
Part Number: PNX-2001
Estimated Ship Date: Today
Estimated Ship Date: Today
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