Best Esupport Relays in 2026
Daisy
Last Updated: Jul 17, 2026
Daisy
Last Updated: Jul 17, 2026
![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](https://m.media-amazon.com/images/I/51MMNm9AK5L._AC_SL500_.jpg)
![10 Pack Bosch Style 5-Pin 12V Relay Switch [SPDT] [30/40 Amp] 12 Volt Automotive Relays for Auto Fan Cars](https://m.media-amazon.com/images/I/41KWOACiPzL._AC_SL500_.jpg)
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| IRHAPSODY® Store | 9.93 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| OnlineLEDStore | 9.94 | ✅ | ✅ | ✅ |
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| OnlineLEDStore | 9.94 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Gebildet | 9.87 | ✅ | ✅ | ✅ |
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
HIGH SWITCHING CAPABILITY: 5-Pin SPDT (Single Pole Double Throw) 30/40 A Relay.
INTERLOCKING RELAY SOCKET: The relay socket harness base is interlocking designed for easy cable management and organization.
GREAT QUALITY: The durable relay and heavy duty relay socket with 5 wires are made by high-grade materials to ensure superior quality.
WIRE INSTRUCTION: Black - (85), Red - (87a), White - (86), Yellow - (87) and Blue - (30).
PACKAGE INCLUDE: 6 relays & 6 relay sockets with wires
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| OnlineLEDStore | 9.94 | ✅ | ✅ | ✅ |
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).
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Includes 8 Jumpers to fit most popular relays
Includes Test Lead Kit for easily and securely connecting Relay Test Jumpers to a multimeter
Terminal Leads with switch, fuse and power options provide easy access to check current or voltage on many fuses and relays used on vehicles today
Also allows testing of relay configurations not covered by eight Relay Test Jumpers, like Volkswagen, BMW and other European vehicles
Relay Puller Pliers easily remove electrical relays; weorks without piercing wires
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this instrument panel lens is made to match the fit and performance of the original lens on specific vehicle applications
Ideal solution - reliable replacement for a lens that has clouded, faded or cracked over time
Durable construction - this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| OnlineLEDStore | 9.94 | ✅ | ✅ | ✅ |
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.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Ehdis | 9.89 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
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
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| OnlineLEDStore | 9.94 | ✅ | ✅ | ✅ |
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).
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this blower motor resistor and harness kit directly replaces the original equipment on select vehicle years, makes and models
Complete kit - each kit comes with a resistor and harness pigtail, which is essential for most repairs
Restores functionality - made to perform like original equipment to restore full HVAC operation
Trustworthy quality - backed by team of engineers and quality specialists in the USA
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| North America HVAC | 9.77 | ✅ | ✅ | ✅ |
This is a Brand New Upgraded Condenser Contactor
Single Pole / 1 Pole
Rated for 30 Amps
This contactor works with 99% of residential AC units!
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Product Type :Relay
Package Dimensions :5.105 Cm L X11.303 Cm W X19.888 Cm H
Country Of Origin :China
Package Weight :1.19Lbs
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
40 Amp 12v Relay with Mounting Tabs
Four 1/4 inch spade post connectors
Handles up to 40 amperes maximum ampere draw in applications
Each compressor must have its own relay for a proper installation
Mounting tab for relay molded into moisture resistance relay case
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E Support | 9.79 | ✅ | ✅ | ✅ |
Brand new heavy duty SPST relays
Interlocking relay sockets
12 Volt 30 amp 4-prong relays
Package Include: 5X 30A 4Pin Relay
Mechanical life of 10,000+ cycles
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| recoil | 9.91 | ✅ | ✅ | ✅ |
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
The relay sockets are pre-wired with 12" pigtail leads, which are long enough for your installation
Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87)
Relay harness sockets are made of 12AWG pure Oxygen Free Copper as conductor to ensure its excellent electrical conductivity.The Included ATC/ATO in-line fuse-holders protect circuits and electrical equipment
Package Include: 2 x relays, 2 x relay sockets with wires, and 2 x in-line ATC fuseholders
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Hamolar | 9.94 | ✅ | ✅ | ✅ |
The 12v relay harness base contains 3*12 AWG and 2*16 AWG cables, length: 5.5 in, which have higher load-bearing capacity and more stable performance.
Function: 12VDC (14V Max) 5 Pin SPDT (Single Pole Double Throw) Relay with 40A/30A High Switching Capability.
Wire Specifications: White - Ground (85), Blue - VDC (30), Black - Trigger (86), Red - Output N/C (87a), and Yellow - Output N/O (87).
The dc car relay adopts waterproof sealing technology at the bottom and a fixed back strip on the back, which is suitable for various complicated installation environments.
Relay and harness kit made by high-grade flame retardant materials to ensure superior quality and long lifespan. 2 Years Warranty.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| OnlineLEDStore | 9.94 | ✅ | ✅ | ✅ |
User Manual available for download under Product Information Details
Interlocking design for easy cable management & organization.
Fits 5-Pin Bosch style SPDT relays.
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).; 10pc Included
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Simply plugs into the blower motor resistor for ease of installation
Uniquely available in a kit (where applicable) that includes the blower motor resistor, an essential component of most repairs
Includes butt connectors
Includes weather seal (where applicable)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Direct replacement - this antenna mast is designed to match the fit, appearance and function of the original mast on specified vehicles
Restores functionality - reliable replacement for an original mast that has been damaged by collision or has failed due to contamination
Durable construction - this part is made from quality materials to ensure reliable performance and long service life
Trustworthy quality - backed by team of product experts in the United States and more than a century of automotive experience
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| R/A Hoerr Incorporated | 9.92 | ❌ | ❌ | ❌ |
Waterproof Fastronix 40/60 amp Bosch Style Relays with Negative Spike Suppression and Integrated Mounting Tab
Control up to 4 Separate Devices with One Relay Panel
Interlocking Sockets Allow Relay Panels of Any Size
10" Leads are 14 Gauge for Terminals 30,87, and 87a and 16 Gauge for Terminals 85,86
Note: Relays are Waterproof, Sockets are NOT waterproof.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| OnlineLEDStore | 9.94 | ✅ | ✅ | ✅ |
Heavy Duty 12VDC (14V Max) Continuous Duty Rated 4-Pin SPST (Single Pole Single Throw) Relay.
200A High Current Carrying Capacity.
Normally Open with 60 Ohms Coil Resistance.
1/4" Studs for Power Input and Output.
Perfect for Split Charging or Various Automotive Applications.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| WesNew Auto Parts | 9.75 | ❌ | ❌ | ❌ |
[BOSCH EXPERTISE] - Bosch has been producing relays for vehicles and other applications for more than 40 years - this vast development experience ensures continuous advancement in design features to deliver optimum performance
[HIGH CAPACITY] - Bosch Power Relays feature a robust design and enhanced capability to perform switching operations in high demand applications like engines, starters, and other large products
[PREMIUM PERFORMANCE] - Bosch relays incorporate only the highest quality materials for superior performance and a 250,000 switching cycle capability
[SUPERIOR ENGINEERING] - Superior engineering provides vibration, shock, and high temperature resistance that ensures enhanced reliability and a long service life
12V, 75A; Integral bracket mount; Black
Sold individually
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Crimp Supply Inc | 9.86 | ❌ | ❌ | ❌ |
HELLA electric - electronic solutions provide crucial help in making driving safer, more efficient and more comfortable. HELLA also supports the trend of electric driving with an extensive product portfolio for all development stages of electrification
Easy to install Weatherproof Mini ISO connector with 12 inch lead wires. No assembly required, just simply splice into existing wiring
Fits any automotive industry standard Mini ISO weatherproof relays regardless of manufacturer. Hella mating relays include 007794301, 007794911, 933332201, 933332207
5 lead wires include: 2 x 18 AWG control wires (wires 85 and 86) and 3 x 12 AWG load wires (wires 30, 87, 87a)
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| eToolDirect | 9.84 | ❌ | ❌ | ❌ |
Controls relay circuit independent of “key on” systems
Run all automotive, 12V DC motors with a push of a switch
Simplifies fuel injection testing
Use in conjunction with clamp-on Amp Probes and Lab Scopes
Operating range: Up to 20 amp continuous, 30 amp surge (12V); covers most makes and models
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| H Dealz | 4.90 | ❌ | ❌ | ❌ |
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| HVAC Pros | 9.85 | ✅ | ✅ | ✅ |
Product Type:Dip Switch
Item Package Weight:0.204 Kilograms
Item Package Dimension:6.35 cm L X11.176 cm W X17.018 cm H
Country Of Origin: United States
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| Amazon.com | 9.68 | ✅ | ✅ | ✅ |
Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Standard Motor Products | 88 |
| Uxcell | 38 |
| Dorman | 30 |
| Cardone | 23 |
| Electronics-Salon | 19 |
| Irhapsody | 18 |
| Esupport | 17 |
| Four Seasons | 17 |
| Mopar | 17 |
| Wve By Ntk | 17 |
We've carried out a comprehensive analysis of 126,170 reviews on relays, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select relays priced around $61.56, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 30 relays for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include and .
We are dedicated to assisting our users in finding the right relays Products based on their needs, saving them considerable time when choosing which relays to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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