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$25.87
30 Amps, 12 V Mr. Gasket Waterproof Relays | Mr. Gasket 40100G
Summit Racing
11
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30 Amps, 12 V Mr. Gasket Waterproof Relays | Mr. Gasket 40100G
Summit Racing
11
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30 Amps, 12 V Standard Motor Relays | Standard Motor Products RY1927
Summit Racing
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30 Amps, 12 V Standard Motor Relays | Standard Motor Products RY1927
Summit Racing
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HELLA 931680011 Relay 12V 20/40A Spdt Res Sld, Black
Amazon.com
277
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HELLA 931680011 Relay 12V 20/40A Spdt Res Sld, Black
Amazon.com
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75 Amps, 12 V Bosch Relays | Bosch Automotive 332002168
Summit Racing
10
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75 Amps, 12 V Bosch Relays | Bosch Automotive 332002168
Summit Racing
10
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50 Amps, 12 V Painless Performance Relays And Relay Kits | Painless Performance 30108
Summit Racing
4
Free shipping
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50 Amps, 12 V Painless Performance Relays And Relay Kits | Painless Performance 30108
Summit Racing
4
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30 Amps, 12 V Bosch Relays | Bosch Automotive 332019155
Summit Racing
5
$14.99
30 Amps, 12 V Bosch Relays | Bosch Automotive 332019155
Summit Racing
5
$89.25
Subaru Uncharted Auto High Beam. Switch Auto High BE - 8415316010. SWITCH & RELAY & COMPUTER.
Subaru of Dayton
$89.25
Subaru Uncharted Auto High Beam. Switch Auto High BE - 8415316010. SWITCH & RELAY & COMPUTER.
Subaru of Dayton
$10.99
30 Amps, 12 V Bosch Relays | Bosch Automotive 0986AH0605
Summit Racing
3
$10.99
30 Amps, 12 V Bosch Relays | Bosch Automotive 0986AH0605
Summit Racing
3
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20/40 Amps, 12 V Hella Relays | Hella 007794321
Summit Racing
9
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20/40 Amps, 12 V Hella Relays | Hella 007794321
Summit Racing
9
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70 Amps, 12 V Bosch Relays | Bosch Automotive 986332002
Summit Racing
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70 Amps, 12 V Bosch Relays | Bosch Automotive 986332002
Summit Racing
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30 Amps, 12 V Hella Relays | Hella 933364027
Summit Racing
1
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30 Amps, 12 V Hella Relays | Hella 933364027
Summit Racing
1
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30 Amps, 12 V Painless Performance Universal Fuel Pump Relay Kits | Painless Performance 50102
Summit Racing
50
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30 Amps, 12 V Painless Performance Universal Fuel Pump Relay Kits | Painless Performance 50102
Summit Racing
50
$32.25
4RD-933-332-08 HELLA - Controls & Indicators & Protective Relay Supplies
Radwell.com
$32.25
4RD-933-332-08 HELLA - Controls & Indicators & Protective Relay Supplies
Radwell.com
$25.99
Painless Performance 30802: Painless Performance High-Beam Headlight Relays
Summit Racing
37
$25.99
Painless Performance 30802: Painless Performance High-Beam Headlight Relays
Summit Racing
37
$14.99
50 Amps, 12 V Hella Relays | Hella 007793041
Summit Racing
4
$14.99
50 Amps, 12 V Hella Relays | Hella 007793041
Summit Racing
4
$25.99
12 V Hella Relays | Hella 003787081
Summit Racing
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12 V Hella Relays | Hella 003787081
Summit Racing
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20 Amps, 12 V Hella Relays | Hella 931774031
Summit Racing
7
$51.99
20 Amps, 12 V Hella Relays | Hella 931774031
Summit Racing
7
$8.82
BOSCH 0332207402 Changeover Micro Relay - 5 Pins, 24V, 10/15A - Single
Amazon.com
27
$8.82
BOSCH 0332207402 Changeover Micro Relay - 5 Pins, 24V, 10/15A - Single
Amazon.com
27
$18.49
URO Parts Multi Function Relay, 5 Pin Relay, 91161510901
Advance Auto Parts
20
$18.49
URO Parts Multi Function Relay, 5 Pin Relay, 91161510901
Advance Auto Parts
20
$70.99
10 Amps, 12 V Hella Relays | Hella 996152151
Summit Racing
3
$70.99
10 Amps, 12 V Hella Relays | Hella 996152151
Summit Racing
3
$18.99
15 Amps, 12 V Hella Fused Relays | Hella 003530001
Summit Racing
1
$18.99
15 Amps, 12 V Hella Fused Relays | Hella 003530001
Summit Racing
1
$39.99
30 Amps, 12 V Painless Performance Park Neutral Relay Kits | Painless Performance 60122
Summit Racing
$39.99
30 Amps, 12 V Painless Performance Park Neutral Relay Kits | Painless Performance 60122
Summit Racing
$10.99
40 Amps, 12 V Hella Relays | Hella 933332101
Summit Racing
$10.99
40 Amps, 12 V Hella Relays | Hella 933332101
Summit Racing
$30.96
RIB Enclosed Pre-Wired Relay: 20 A Rating, 24V AC/DC/120V AC, SPDT, 0.50 in NPT Model: RIB2401B
Grainger
419
$30.96
RIB Enclosed Pre-Wired Relay: 20 A Rating, 24V AC/DC/120V AC, SPDT, 0.50 in NPT Model: RIB2401B
Grainger
419
$39.99
Acdelco Multi-Purpose Relay, 13500114
Advance Auto Parts
$39.99
Acdelco Multi-Purpose Relay, 13500114
Advance Auto Parts
$40.99
Motorcraft Original Equipment (O.E.) Relay Assembly - Starter Motor, SW-1951-C
Advance Auto Parts
$40.99
Motorcraft Original Equipment (O.E.) Relay Assembly - Starter Motor, SW-1951-C
Advance Auto Parts
$9.99
Electromagnetic Power Relay, 14-Pin 5 AMP 24V DC Relay Coil With Socket Base, LED Indicator, 4PDT 4NO 4NC - MY4NJ [Applicable For DIN Rail System]
Amazon.com
602
$9.99
Electromagnetic Power Relay, 14-Pin 5 AMP 24V DC Relay Coil With Socket Base, LED Indicator, 4PDT 4NO 4NC - MY4NJ [Applicable For DIN Rail System]
Amazon.com
602
$4.99
4-Pin Automotive Relay With Mount Tab - 40A - 12V - Wired Socket Included - Single
Super Bright LEDs
$4.99
4-Pin Automotive Relay With Mount Tab - 40A - 12V - Wired Socket Included - Single
Super Bright LEDs
$2.99
12V DC 30/40A 5 PIN Universal Relay - 5 Pin Relay
Super Bright LEDs
$2.99
12V DC 30/40A 5 PIN Universal Relay - 5 Pin Relay
Super Bright LEDs
$190.99
Bendix R-14 4 Psi Air Brake Relay Valve | R-14 Relay Valve | 065430
FleetPride
$190.99
Bendix R-14 4 Psi Air Brake Relay Valve | R-14 Relay Valve | 065430
FleetPride
$33.10
($6.62/Pc) AZ979-1C-12DE American Zettler 80AMP Mini-ISO Automotive Relay 12VDC Coil SPDT
Onlinecomponents.com
$33.10
($6.62/Pc) AZ979-1C-12DE American Zettler 80AMP Mini-ISO Automotive Relay 12VDC Coil SPDT
Onlinecomponents.com
$14.27
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 8 Pins/Terminals, DPDT Model: LY2-AC24
Grainger
141
$14.27
Omron General Purpose Relay: Socket Mounted, 10 A Current Rating, 24V AC, 8 Pins/Terminals, DPDT Model: LY2-AC24
Grainger
141
$104.29
$123.90
Lexus RC F SWITCH, AUTO HIGH BEAM - 8415353030. SWITCH & RELAY & COMPUTER.
Lexus of Lexington
15% off
$104.29
$123.90
Lexus RC F SWITCH, AUTO HIGH BEAM - 8415353030. SWITCH & RELAY & COMPUTER.
Lexus of Lexington
$13.61
2Pcs Car Relay On/Off Normally Open 4 Pin 12V 80Amp SPST Model JD2912-1H-12VDC 80A 14VDC Automotive Relay Switches | Harfington
harfington
$13.61
2Pcs Car Relay On/Off Normally Open 4 Pin 12V 80Amp SPST Model JD2912-1H-12VDC 80A 14VDC Automotive Relay Switches | Harfington
harfington
$2.99
4-Pin Automotive Relay With Mount Tab - 40A - 12V - Single
Super Bright LEDs
$2.99
4-Pin Automotive Relay With Mount Tab - 40A - 12V - Single
Super Bright LEDs
$10.03
Uxcell JD-2912 4Pin 40A 12V DC Universal Car Vehicle Motor Fuse Relay Switch Power With Harness | Harfington
harfington
$10.03
Uxcell JD-2912 4Pin 40A 12V DC Universal Car Vehicle Motor Fuse Relay Switch Power With Harness | Harfington
harfington
Automotive Relay Guide: What it is, How A 12V Relay Works & Components Of Relay Switch
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Automotive Relay Guide: What it is, How A 12V Relay Works & Components Of Relay Switch
Oct 25, 2022
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RELAYS EXPLAINED! How an Automotive Relay Works with wiring diagrams and examples.
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Shop auto relay

Sponsored
About our ads
$31.99
30 Amps, 12 V Painless Performance Universal Fuel Pump Relay Kits | Painless Performance 50102
Summit Racing
50
$31.99
30 Amps, 12 V Painless Performance Universal Fuel Pump Relay Kits | Painless Performance 50102
Summit Racing
$25.99
Painless Performance 30802: Painless Performance High-Beam Headlight Relays
Summit Racing
37
$25.99
Painless Performance 30802: Painless Performance High-Beam Headlight Relays
Summit Racing
$14.99
50 Amps, 12 V Hella Relays | Hella 007793041
Summit Racing
4
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50 Amps, 12 V Hella Relays | Hella 007793041
Summit Racing
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12 V Hella Relays | Hella 003787081
Summit Racing
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Summit Racing
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4RD-933-332-08 HELLA - Controls & Indicators & Protective Relay Supplies
Radwell.com
$32.25
4RD-933-332-08 HELLA - Controls & Indicators & Protective Relay Supplies
Radwell.com
$51.99
20 Amps, 12 V Hella Relays | Hella 931774031
Summit Racing
7
$51.99
20 Amps, 12 V Hella Relays | Hella 931774031
Summit Racing
$8.82
BOSCH 0332207402 Changeover Micro Relay - 5 Pins, 24V, 10/15A - Single
Amazon.com
27
$8.82
BOSCH 0332207402 Changeover Micro Relay - 5 Pins, 24V, 10/15A - Single
Amazon.com
$18.49
URO Parts Multi Function Relay, 5 Pin Relay, 91161510901
Advance Auto Parts
20
$18.49
URO Parts Multi Function Relay, 5 Pin Relay, 91161510901
Advance Auto Parts
$70.99
10 Amps, 12 V Hella Relays | Hella 996152151
Summit Racing
3
$70.99
10 Amps, 12 V Hella Relays | Hella 996152151
Summit Racing
$18.99
15 Amps, 12 V Hella Fused Relays | Hella 003530001
Summit Racing
1
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15 Amps, 12 V Hella Fused Relays | Hella 003530001
Summit Racing
$39.99
30 Amps, 12 V Painless Performance Park Neutral Relay Kits | Painless Performance 60122
Summit Racing
$39.99
30 Amps, 12 V Painless Performance Park Neutral Relay Kits | Painless Performance 60122
Summit Racing
$10.99
40 Amps, 12 V Hella Relays | Hella 933332101
Summit Racing
$10.99
40 Amps, 12 V Hella Relays | Hella 933332101
Summit Racing
$30.96
RIB Enclosed Pre-Wired Relay: 20 A Rating, 24V AC/DC/120V AC, SPDT, 0.50 in NPT Model: RIB2401B
Grainger
419
$30.96
RIB Enclosed Pre-Wired Relay: 20 A Rating, 24V AC/DC/120V AC, SPDT, 0.50 in NPT Model: RIB2401B
Grainger
$39.99
Acdelco Multi-Purpose Relay, 13500114
Advance Auto Parts
$39.99
Acdelco Multi-Purpose Relay, 13500114
Advance Auto Parts
$40.99
Motorcraft Original Equipment (O.E.) Relay Assembly - Starter Motor, SW-1951-C
Advance Auto Parts
$40.99
Motorcraft Original Equipment (O.E.) Relay Assembly - Starter Motor, SW-1951-C
Advance Auto Parts
$9.99
Electromagnetic Power Relay, 14-Pin 5 AMP 24V DC Relay Coil With Socket Base, LED Indicator, 4PDT 4NO 4NC - MY4NJ [Applicable For DIN Rail System]
Amazon.com
602
$9.99
Electromagnetic Power Relay, 14-Pin 5 AMP 24V DC Relay Coil With Socket Base, LED Indicator, 4PDT 4NO 4NC - MY4NJ [Applicable For DIN Rail System]
Amazon.com
$4.99
4-Pin Automotive Relay With Mount Tab - 40A - 12V - Wired Socket Included - Single
Super Bright LEDs
$4.99
4-Pin Automotive Relay With Mount Tab - 40A - 12V - Wired Socket Included - Single
Super Bright LEDs
$2.99
12V DC 30/40A 5 PIN Universal Relay - 5 Pin Relay
Super Bright LEDs
$2.99
12V DC 30/40A 5 PIN Universal Relay - 5 Pin Relay
Super Bright LEDs

Shop auto relay

Sponsored
About our ads
$25.87
30 Amps, 12 V Mr. Gasket Waterproof Relays | Mr. Gasket 40100G
Summit Racing
11
$25.87
30 Amps, 12 V Mr. Gasket Waterproof Relays | Mr. Gasket 40100G
Summit Racing
11
$47.99
30 Amps, 12 V Standard Motor Relays | Standard Motor Products RY1927
Summit Racing
$47.99
30 Amps, 12 V Standard Motor Relays | Standard Motor Products RY1927
Summit Racing
$19.99
HELLA 931680011 Relay 12V 20/40A Spdt Res Sld, Black
Amazon.com
277
$19.99
HELLA 931680011 Relay 12V 20/40A Spdt Res Sld, Black
Amazon.com
277
$47.99
75 Amps, 12 V Bosch Relays | Bosch Automotive 332002168
Summit Racing
10
$47.99
75 Amps, 12 V Bosch Relays | Bosch Automotive 332002168
Summit Racing
10
$145.99
50 Amps, 12 V Painless Performance Relays And Relay Kits | Painless Performance 30108
Summit Racing
4
Free shipping
$145.99
50 Amps, 12 V Painless Performance Relays And Relay Kits | Painless Performance 30108
Summit Racing
4
$14.99
30 Amps, 12 V Bosch Relays | Bosch Automotive 332019155
Summit Racing
5
$14.99
30 Amps, 12 V Bosch Relays | Bosch Automotive 332019155
Summit Racing
5
$89.25
Subaru Uncharted Auto High Beam. Switch Auto High BE - 8415316010. SWITCH & RELAY & COMPUTER.
Subaru of Dayton
$89.25
Subaru Uncharted Auto High Beam. Switch Auto High BE - 8415316010. SWITCH & RELAY & COMPUTER.
Subaru of Dayton
$10.99
30 Amps, 12 V Bosch Relays | Bosch Automotive 0986AH0605
Summit Racing
3
$10.99
30 Amps, 12 V Bosch Relays | Bosch Automotive 0986AH0605
Summit Racing
3
$10.99
20/40 Amps, 12 V Hella Relays | Hella 007794321
Summit Racing
9
$10.99
20/40 Amps, 12 V Hella Relays | Hella 007794321
Summit Racing
9
$20.99
70 Amps, 12 V Bosch Relays | Bosch Automotive 986332002
Summit Racing
$20.99
70 Amps, 12 V Bosch Relays | Bosch Automotive 986332002
Summit Racing
$39.99
30 Amps, 12 V Hella Relays | Hella 933364027
Summit Racing
1
$39.99
30 Amps, 12 V Hella Relays | Hella 933364027
Summit Racing
1
$31.99
30 Amps, 12 V Painless Performance Universal Fuel Pump Relay Kits | Painless Performance 50102
Summit Racing
50
$31.99
30 Amps, 12 V Painless Performance Universal Fuel Pump Relay Kits | Painless Performance 50102
Summit Racing
50
$32.25
4RD-933-332-08 HELLA - Controls & Indicators & Protective Relay Supplies
Radwell.com
$32.25
4RD-933-332-08 HELLA - Controls & Indicators & Protective Relay Supplies
Radwell.com
$25.99
Painless Performance 30802: Painless Performance High-Beam Headlight Relays
Summit Racing
37
$25.99
Painless Performance 30802: Painless Performance High-Beam Headlight Relays
Summit Racing
37
$14.99
50 Amps, 12 V Hella Relays | Hella 007793041
Summit Racing
4
$14.99
50 Amps, 12 V Hella Relays | Hella 007793041
Summit Racing
4
$25.99
12 V Hella Relays | Hella 003787081
Summit Racing
$25.99
12 V Hella Relays | Hella 003787081
Summit Racing
$51.99
20 Amps, 12 V Hella Relays | Hella 931774031
Summit Racing
7
$51.99
20 Amps, 12 V Hella Relays | Hella 931774031
Summit Racing
7
$8.82
BOSCH 0332207402 Changeover Micro Relay - 5 Pins, 24V, 10/15A - Single
Amazon.com
27
$8.82
BOSCH 0332207402 Changeover Micro Relay - 5 Pins, 24V, 10/15A - Single
Amazon.com
27