Are you looking for best auto relay, we’ve consulted top experts who has in-and-out knowledge about the auto relay. We choose the top most quality product, which comes with amazing features you’ve never heard before. We have filter more than 100+ of product to give you top 10 list of best auto relay.

This list is undoubtedly the best auto relay available in the market today. However, if you don’t want to spend more time on filtering and finding which one is good auto relay, then you should absolutely go for our Top list of the winner. which comes with all the basic features one could expect in a auto relay.


Best auto relay – The Winners!


But these three has some more competitions too, Check out below List of Top 10 best auto relay.If you are ready to choose a new auto relay, check out our recommendations for the best auto relay. But if you’d like to learn more about the various types of auto relay available and how to choose the right one for you, read on.

List of Top 10 Best auto relay In Detailed


Bestseller No. 1
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
Bestseller No. 2
ONLINE LED STORE 6 Pack 4-Pin 12V Bosch Style Fused Relay Switch Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPST] [30 Amp] 12 Volt Automotive relays with Fuse for Auto Cars
  • Built in fuse socket with included 30A blade fuse with heavy duty 14AWG wires for main contact.
  • Bosch style 4-Pin SPST (Single Pole Single Throw) Relay.
  • 12VDC (14V Max) and 30A High Switching Capability.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/O (87).
  • Set includes 6 relays, 6 relay harnesses, and 6 blade fuses.
Bestseller No. 3
5 Pack 40/30 AMP 12 V DC Waterproof Relay and Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Bosch Style Automotive Relay
  • 12 AWG tinned copper wires for Pin 30, Pin 87, Pin 87a. Length: 5.1in
  • 16 AWG tinned copper wires for Pin 85, Pin 86. Length: 5.1in
  • 12v dc waterproof 5 wire relay (max 14v). 40 amp / 30 amp High switching capability
  • Excellent waterproof and dustproof ability, high quality in any weather conditions
  • 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
Bestseller No. 4
12V Auto Waterproof Fuse Relay Box Block [6 Bosch Style Relay Holder] [6 ATC/ATO Fuse Holder] Universal Relay Block Box for 12V Automotive Vehicles Cars Marine Boat Light Equipment
  • REMAP YOUR WIRING - organize, consolidate, and keep track of multiple independent circuits with six relay sockets and six fuse holders.
  • MULTI-TRERRAIN - Our unique "Z" shaped brackets make it possible to securely mount this waterproof relay box just about anywhere.
  • BUILT LIKE A TANK - Made from durable and dependable nylon 66 and sporting an IP65 waterproof rating, our relay box dosent understand the word "can't."
  • A COMPLETE KIT - Box, brackets, seals, terminals, we've included everything you will need to sucessfully install your new waterproof relay box.
  • MORE THAN A WARRANTY - We've got you covered with an industry leading two-year warranty and the best customer support in the business.
Bestseller No. 5
ONLINE LED STORE 6 Pack Bosch Style 5-Pin 12V Relay Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPDT] [30/40 Amp] 12 Volt Automotive Relays for Auto Fan Cars
  • User Manual available for download under Product Information Details
  • Bosch style 12VDC (14V Max) 5-Pin SPDT (Single Pole Double Throw) Relay with 40A/30A High Switching Capability.
  • Interlocking design relay socket harness base for easy cable management & organization.
  • Heavy duty 14AWG wires for the main contact and pre-wired with 6" pigtail leads.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).
Bestseller No. 6
10 Pack Bosch Style 5-Pin 12V Relay Switch [SPDT] [30/40 Amp] 12 Volt Automotive Relays for Auto Fan Cars
  • User Manual available for download under Product Information Details
  • Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay
  • 40A/30A High Switching Capability.
  • Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87).
  • 10pc Included
Bestseller No. 7
EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 2
  • Brand new heavy duty 4-prongs SPST relays
  • 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
  • Mechanical life of 10,000+ cycles
Bestseller No. 8
ONLINE LED STORE 1 Pack 5-Pin 12V Bosch Style Waterproof Relay Kit [Harness Socket] [12 AWG Hot Wires] [SPDT] [30/40 Amp] 12 Volt Automotive Marine Relays for Boats Auto Fan Cars
  • User Manual available for download under Product Information Details
  • Waterproof construction & heavy duty 12AWG wires for the main contact.
  • Bosch style 5-Pin SPDT (Single Pole Double Throw) Relay.
  • 12VDC (14V Max) and 40A/30A High Switching Capability.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).
Bestseller No. 9
EHDIS 4-Pin Relay with Harness Car Truck Motor Heavy Duty 80A 12V On/Off Normally Open SPST Relay Socket Plug 4 Wire Automotive Relay Model JD2912-1H-12VDC 80A 14VDC,Pack of 2
  • Country of Manufacture: China; Material: Plastic, Metal, Copper
  • Contact Type: SPST (Normal Open); Pin Number: 4 Pin
  • Coil: 12VDC 80 Amp; Body Size: 28 x 28 x25mm/1.1" x 1.2" x 1"(L*W*H)
  • Relay size: 33 x 28 x 52mm/1.3" x 1.1" x 2"(L*W*H); Fixing Hole Dia: 6.5mm/2.5"; Socket Size: 35 x 34 x 18 mm
  • Package Content: 2 x Model: JD-2912 Car Relay; 2 x 4 pin relay socket with 4 wires
Bestseller No. 10
4 Pack - EPAuto 30/40 AMP Relay Harness Spdt 12V Bosch Style
  • 40A/30A high switching capability.
  • Heavy-duty impact molded relay socket with 5 WIRES。White (common), Black (normally closed), and Yellow (normally open).
  • Package Include: 4 relays + 4 relay sockets with wires.
  • Safety UL Listed 6" wires with pigtail leads for the main contact.
Hope this list of the best auto relay will be helpful for you. Feel free to contact us if you have any questions about our site or our reviews, and we will be happy to help you with your purchasing decisions in any way we can.