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The Best Automotive Relay 12V 40A of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Automotive Relay 12V 40A of 2022. Check our ranking below.

2,365 Reviews Scanned

Rank No. #2
irhapsody 5 Pack 40/30 AMP 12V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Automotive Relay
  • Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
  • 12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
  • Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors
  • Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g
  • Nominal Coil Voltage: 12 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Maximum Applied Voltage: 15.6 V DC
Rank No. #3
irhapsody 12vdc 40amp 4-pin Replacement Relay, 5pack spst Automotive Starter Relay
  • Plug-and-play style
  • The relay housing is made of fire-retardant material
  • Universal OEM replacement relay. Works for a car alarm, ABS, AC, remote start, headlight, LED light, fan, Speakers, fuel pump, Air Conditioning or upgraded horn
  • It is used to switch single- or dual-speed fan motors. Compact, fully enclosed design for powerful heating and cooling applications
Rank No. #4
EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 2
  • Heavy duty 4-prongs SPST relays, jd1912 12v 40a relay
  • Use optional Relay Harness, or female Crimp Connectors
  • High 40A coil capacity- able to handle those high current applications with ease
  • Package Include: 2 x 40A 4-Pin 12V Vehicle Relays
  • The Automotive relay is suitable for normal automobile use and simple to operate, you just need to connect the relay with the wire, no other tools needed, convenient for your use and replace, allowing your components to work properly
Rank No. #5
Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack, 2 Years Warranty
  • High switching capability: Normally open 40A/14V DC and normally close 30A/14V DC. Suitable for Nilight LED light bar wiring harness kit
  • Premium quality: Durable relay and harness socket with 5 wires; Made by high-grade materials to ensure superior quality and long lifespan
  • Male-female slot design: Unique male-female slot design, easy to connect the relay with harness socket, clean and neat after installation
  • Easy wiring: The relay sockets come with different colors for loads/accessories, simple and convenient wiring
  • Package include: 5 x relay and 5 x relay socket with wires.Fit type: Universal fit
Rank No. #6
Car Fan Relay Replacement, Automotive Relay 12V 40A, Heavy Duty Switching Fan Relay for Heating and Cooling Applications
  • Applicable Scope: This car fan relay is used for switching single or two speed fan motors. Compact, totally enclosed design for heating and cooling applications
  • Durable Material: The relay casing is made of high-quality ABS plastic material for good wear resistance, durable for long service life
  • Easy installation: The fan relay is easy to install, convenient to replace the old or broken one
  • Practical to Use: The fan relay features high performance and strong stability
  • Warm Prompt: Please pay attention to the specifications of this fan relay, confirm this is the product you need before purchasing
Rank No. #7
Gebildet JD1912 Car Relay Harness 12V 40A 4 Pin SPST Harness Sockets with Color-labeled Wires for Automotive Truck Van Motorcycle Boat (Pack of 2)
  • Brand new heavy duty SPST(Single Pole Single Throw) relays with color-labeled wires.
  • Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
  • Small size/Low power consumption/High contact voltage/ High sensitivity.
  • Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ.
  • Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.
SaleRank No. #8
5 Pack JD1912 12v 40A Automotive Relay Harness JD1914 40A 12 Volt 5Pin Relay kit Relay Switch Power with Harness Spdt 12V 5Pin SPST Harness Relay Sockets 30/40 amp Relay Car Starter Relay 5pin
  • The relay with wire harness is designed for easy installation, making it convenient for users to set up in various complex installation environments
  • Secure Backside Fixation: The 12v 40a relay comes with a secure backside fixation feature, ensuring stability and reliability even in demanding conditions.
  • Materials: Both the relay and wire harness are made of high-grade flame-retardant materials, guaranteeing a longer lifespan and enhanced safety during operation.
  • 12VDC (Max 14V) 5-Pin SPDT Relay: The relay switch operates at 12VDC (with a maximum of 14V) and features a 5-pin Single Pole Double Throw (SPDT) configuration. This configuration allows for versatile switching capabilities, making it suitable for a wide range of applications.
  • Two years warranty: If you have any questions in the use of the 12v 40a relay kit, please contact us, we will reply within 24 hours
Rank No. #9
EPLZON JD1914 Relay 12V 40A 5 Pin Car Relay 584416 586147 586224 for Johnson Evinrude OMC Outboard Marine Corp (Pack of 2 Pcs)
  • ✅Product Name:JD1914 Automotive DC 5 Pin 12V 40A SPST electrical relay Relay,high quality copper coils and silver contacts create excellent electrical conductivity
  • ✅Contact Rating: NO: DC 12V 40A , NC : DC 12V 30A
  • ✅Brand new heavy duty 4-prongs SPST relays
  • ✅Pin Specifications: 30-High power feed,85-Relay coil ground,86-relay coil feed(trigger wire),87-high power output(normally open contact),87a-high power output(normally closed contact)
  • ✅Replaces part number:582195, 582472, 582473, 584416, 586147, 586224;Application:Compatible with Johnson,Compatible with Evinrude,Compatible with Outboard Marine Corp and OMC
SaleRank No. #10
Nilight 50044R 5 Pack Waterproof 40/30 AMP Heavy Duty 12 AWG Tinned Copper Wires 5-PIN SPDT Bosch Style 12V Automotive Relay and Harness Set,2 Year Warranty
  • 12 V DC automotive waterproof relays (max 14 V). Note: 12 V and 14 V are coil voltages, they are not the voltage that triggers the switch
  • Premium quality: durable relay and harness socket with 5 wires; made from high-grade materials to ensure superior quality and long lifespan
  • Pre-wired Harness: Heavy duty 12/16 AWG wiring harness. Black - 16AWG Pin85, White - 16AWG Pin86, Red - 12AWG Pin30 Yellow - 12AWG Pin87a, and Blue - 12AWG Pin87
  • Enhanced Waterproof - The 5-Pin relays are tightly sealed with strong cap and seal ring, excellent performance of waterproof, dust proof and moisture proof, works well in any weather conditions
  • Package includes: 5 pack Waterproof Relay and Harness. 1x User manual. 2 Year Warranty by Nilight.

Last update on 2024-04-19 / Affiliate links / Images from Amazon Product Advertising API

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