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The 10 Best Automotive Replacement Electrical System Relays to Buy – January 2021 edition

Looking for the best Automotive Replacement Electrical System Relays?

Discover now our comparison of the best Automotive Replacement Electrical System Relays. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Electrical System Relays are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Electrical System Relays in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.

No. 1
IRHAPSODY 12 Pack 40/30 AMP 12V DC Relay with Harness, Heavy Duty 12 AWG Tinned Copper Wires, 5 Pin SPDT Bosch Style Automotive Relay
103 Reviews
IRHAPSODY 12 Pack 40/30 AMP 12V DC Relay with Harness, Heavy Duty 12 AWG Tinned Copper Wires, 5 Pin SPDT Bosch Style Automotive Relay
  • Advantage: 12 AWG tinned copper wires for Pin 30, Pin 87, Pin 87a. Many relays on the market use 14/16 AWG
  • 16 AWG tinned copper wires for Pin 85, Pin 86. Length: 5.1 in
  • 12-volt 5-prong prewired relay (max 14-volt). 40 amp / 30 amp High switching capability
  • 85 - Coil (Ground); 86 - Coil (Trigger); 30 - Common connection to NO & NC terminals; 87 - Normally Open (N/O); 87a - Normally Closed (N/C)
  • When the relay is at rest 87a is connected to 30, and when the relay is energized 87 becomes connected to 30
No. 2
4-PIN 40/30 AMP 12 V DC Waterproof Relay with Harness - Heavy Duty 12 AWG Tinned Copper Wires, 5 Pack SPST Bosch Style Automotive Relay
  • 12 awg tinned copper wires for Pin 30, Pin 87. Length: 5.1in
  • 16 awg tinned copper wires for Pin 85, Pin 86. Length: 5.1in
  • 12v dc waterproof 4 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 ¦¸; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Maximum Applied Voltage: 15.6 V DC
No. 3
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.
No. 4
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).
No. 5
smseace 1pcs 5pin 12VDC 40A SPDT Waterproof Relay with Harness Socket 16/14 AWG Wires JD2912-1Z-14VDC 40A 14VDC Bosch Style Automotive Relay JDCF-5pin-12V-40A
  • Product Model: JD2912 5pin 24VDC 40A waterproof relay
  • Application: Suit for all automobiles and devices equipped with a 12 Volt DC power source. Used in led work light, fog lamps, starter, wiper, fans, speakers, central locking, alarm, electric windows, etc.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).
  • 24 V DC waterproof relay (max 28 V). Perfect waterproof construction, excellent performance of waterproof, dust proof and moisture proof, works well in any weather conditions.
  • Package: 1pcs waterproof relay+1pcs Harness Socket
No. 6
Glarks 10 Pack 12V 30/40 Amp 5-Pin SPDT Electrical Relays Switch for Automotive Truck Boat Marine
  • ★ Package: Including 10 pack 5-Pin SPDT(Single Pole Double Throw) Electrical Relays Switch packed in a plastic box.
  • ★ 40A/30A High Switching Capability.
  • ★ Pin Specifications: Ground (85), VDC (30), Trigger (86), Output N/C (87a), and Output N/O (87).
  • ★ These Relays are Interchangeable/Compatible with: All automobiles and devices equipped with a 12 Volt DC power source.
  • ★ Application: These relays have a universal application and can be used in automotive setups, car sound systems, security systems, and various other applications.
No. 7
IRHAPSODY 5 Pack 24V DC 40/30 AMP Waterproof Relay with Harness, Heavy Duty 12 AWG Tinned Copper Wires, 5-PIN SPDT Bosch Style Relay for Automotive Truck Marine Boat Fan
  • 12 AWG tinned copper wires for pin 30, 87, 87a. 16 AWG tinned copper wires for pin 85 and 86. Length: 5.1in
  • 24-volt weatherproof 5-prong relay (max 31.2V). 40 amp / 30 amp high switching capability
  • Excellent waterproof and dustproof ability, high quality in any weather conditions
  • SPDT relay: it has both normally open and normally closed terminals, terminal 87A is powered when the relay is inactive and switches the power to terminal 87 when the relay is activated. In the case of dual ratings (40/30) the normally closed circuit is the lower of the two, so 30A (NC), 40A (NO)
  • Can be used in 28-volt circuits. The mounting lug is on the relay but can be removed. Used for outside lights for utility shell/camper, car headlight, boat, electric fan, for wiring lights on equipment, etc
No. 8
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
No. 9
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
No. 10
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

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Last update on 2021-01-25 at 06:53 / Affiliate links / Images from Amazon Product Advertising API