Summit Racing SpeedCard - learn how to get 15% back up to $150

Summit Racing SpeedCard - learn how to get 15% back up to $150

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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 134

Relay, Fuel Pump, 30 Amp, Single Pole, Each

Part Number: SUM-890023

4.25 out of 5 stars ( 149 )

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Relay, Fuel Pump, Weatherproof, 30 Amp, Single Pole, Each

Part Number: PRF-30131

4.92 out of 5 stars ( 13 )

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Relay, Fuel Pump, 30 Amp, Single Pole, Kit

Part Number: PRF-50102

4.85 out of 5 stars ( 55 )

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Relays, Fuel Pump, 30 Amp, 12V, Single Pole, Blade Type, Wire Harness Included, Each

Part Number: HLY-12-753

4.44 out of 5 stars ( 9 )

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Relay, Fuel Pump, 30 Amp, Single Pole, Each

Part Number: MRF-MP-1050

4.92 out of 5 stars ( 13 )

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Fuel Pump Relay, 30 Amps, Single Pole Double Throw, 5 Spade Terminals, Fuse, Wiring, 12 V, Each

Part Number: RFW-FP35

4.89 out of 5 stars ( 9 )

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Relay, Pro-Flo 4, Fuel Pump, EFI, Fuel Injection, 30 Amp, Harness Included, Inline Fuse, Kit

Part Number: EDL-3534

3.67 out of 5 stars ( 3 )

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Relay, Water Pump, 30 Amp, Single Pole, Wiring Harness Crimp Connectors, Each

Part Number: MEZ-WIK346

4.79 out of 5 stars ( 14 )

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Relay, Water Pump, 30 Amp, Single Pole, Each

Part Number: PRF-50106

4.58 out of 5 stars ( 12 )

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Relay, Fuel Pump, 30 Amp, Single Pole, Each

Part Number: MRF-MP-1025

4.5 out of 5 stars ( 4 )

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Crash Sensor System, Fuel Pump Shut Off, 30 Amps, 12 V, Each

Part Number: RFW-CR92

4.43 out of 5 stars ( 7 )

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Relays, Dual Fuel Pump, 40 Amp, 12V, Single Pole, Blade Type, Wire Harness Included, Chrysler, Dodge, Ford, Kit

Part Number: HLY-12-759

Not Yet Reviewed

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Relay, Water Pump, 20 Amp, Single Pole, Waterproof, Each

Part Number: PRF-30132

5.0 out of 5 stars ( 1 )

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Electric Fuel Pump Wiring, 30 amp Relay, Single Pole, Kit

Part Number: TFS-25004K

4.4 out of 5 stars ( 5 )

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Fuel Pump Relay, 30 amp, 12 V, Single Pole, Each

Part Number: EDL-1795

4.62 out of 5 stars ( 13 )

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Fuel Pump Relay, Pro-Flo Replacement Part, 12 V, 35 amps, Blade Type Terminal, Each

Part Number: EDL-3586

Not Yet Reviewed

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Relay, Electric Water Pump, 20 Amp, Single Pole, Each

Part Number: EMP-RLY351

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Relay, Fuel Pump, 15 Amp, 12 V, Blade, 6 Male Terminals, Porsche, Each

Part Number: URO-013104

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

DME/Fuel Pump Relay

Part Number: URO-013952

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Fuel Pump Relay, Volvo 940 91-95, 244 85-89, 245 85-89, 740 85-92, 745 85, 760 84-87, 240 90-93, 780 87

Part Number: URO-002684

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Fuel Pump Relay, Volvo 244 78-85, 245 78-85, 242 78-84, 264 78-82, 265 78-81, 760 83-86, 262 78-81

Part Number: URO-002685

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Fuel Pump Relay, Volkswagen

Part Number: URO-001555

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Fuel Pump Relay, Volvo 940 95, 850 93-97

Part Number: URO-004456

Not Yet Reviewed

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Relay, Fuel Pump, 30 Amp, 12 V, Single Pole, Spade Terminal, 5 Male, Each

Part Number: MSD-89618

5.0 out of 5 stars ( 2 )

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