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10 Best automotive replacement electrical system relays of 2026
Save up to 10% off
Best Choice1
DAIERTEK9.7Exceptional
DaierTek 8 Pack 12V Relay with Built-in Diode & 12 AWG Harness Socket 30A/40A Heavy Duty SPDT 5 Pin Relay Waterproof for Car Marine Boat
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Value for Money2
iRhapsody9.6Exceptional
irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay Kit with Heavy-Duty Pigtail, 5-PIN SPDT Automotive Relay
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is discontinued by manufacturer:No
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asin:B074FSZWVT
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product dimensions:7.85 x 1.6 x 1.7 inches 1.25 Pounds
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date first available:July 31, 2017
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item model number:13
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3
iRhapsody9.4Excellent
irhapsody 12vdc 30amp 4-pin Spst Multi-Purpose Starter Relay, Automotive Replacement Relays
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4
HYUNDAI9.3Excellent
Genuine Hyundai 39160-2G000 Power Relay
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5
cuttnell9.0Excellent
Cuttell 6-Pack 13500114 Relay 12V 40A 4-Pin Automotive Relay Replacement for Select GM Chevy GMC Buick Cadillac Relay Box, Fuel Pump, Fan, A/C Compressor & Horn Circuits
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6
Standard Motor Products8.8Very Good
Standard Motor Products RY51 Relay
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7
Nilight8.5Good
Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack, 2 Years Warranty
10% Off Limited Time Deal-
is discontinued by manufacturer:No
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product dimensions:5 x 2 x 5 inches 8 ounces
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country of origin:China
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asin:B0748F1JK4
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date first available:July 26, 2017
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8
Standard Motor Products8.4Good
Standard Motor Products RY612T Relay
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9
Nilight8.3Good
Nilight 10 Pack SPDT 5PIN Electrical Relays 12V 30/40 Amp 5-Pin Switch Relay for Automotive Car Truck Marine Boat
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is discontinued by manufacturer:N/A
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asin:B07VS16PV3
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product dimensions:0.39 x 0.39 x 0.39 inches 11.99 ounces
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date first available:July 26, 2019
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item model number:50043R
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10
FASTSTORM8.2Good
FASTSTORM Electric Fan Relay Kit 12V 60 AMP Electric Radiator Cooling Waterproof Fan Relay Kit with Thermostat Control Switch 185 On 175 Off Upgrade
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