Best Esupport Door Relays in 2026
Daisy
Last Updated: Jul 18, 2026
Daisy
Last Updated: Jul 18, 2026
* 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 |
|---|---|---|---|---|
| E Support | 9.79 | ✅ | ✅ | ✅ |
Brand new heavy duty SPST relays
12 Volt 40 amp 4-prong relays
High 40A coil capacity- able to handle those high current applications with ease
Widely used in car keys power control, over-load protection, trunk release, power door lock/actuator control, control motors/other electronics etc.
Mechanical life of 100,000+ cycles, Life Expectancy Mechanical: 10,000,000 Operations.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E Support | 9.79 | ✅ | ✅ | ✅ |
Brand new heavy duty 12 Volt 40 amp 5-prong SPDT relays
High 40A coil capacity- able to handle those high current applications with ease
Widely used in car keys power control, over-load protection, trunk release, power door lock/actuator control, control motors/other electronics etc.
Mechanical life of 100,000+ cycles, Life Expectancy Mechanical: 10,000,000 Operations.
Package Include: 5 X 12V 40A 5Pin Relay and 5 X Relay Socket
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E Support | 9.79 | ✅ | ✅ | ✅ |
Voltage: 12V, Contact rating: 100A
Size: 45mm(L) x 45mm(W) x 45mm(H), about 1.77''(L) x 1.77''(W) x 1.77''(H)
It is made of high quality material, with long serving life
4Pin Normally Open with 60 Ohms Coil Resistance.
Hundreds of uses include- starter kills, domelight supervision, trunk release, polarity change, power door lock/actuator control
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E Support | 9.79 | ✅ | ✅ | ✅ |
Heavy Duty SPST Relays Kit Iron Back
12 Volt 40 amp 4Pin relays
Excellent waterproof performance, high quality in any weather conditions
Mechanical life of 100,000+ cycles, Life Expectancy Mechanical: 10,000,000 Operations.
Widely used in car keys power control, over-load protection, trunk release, power door lock/actuator control, control motors/other electronics etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E Support | 9.79 | ✅ | ✅ | ✅ |
Voltage: DC 12V , Current: 30A, Pin Number: 4 Pin
Normally open contacts,Separate metal bracket, can easily be removed from the bracket and has a small and lightweight construction
Mechanical life of 100,000+ cycles, Life Expectancy Mechanical: 10,000,000 Operations.
Widely used in car keys power control, over-load protection, trunk release, power door lock/actuator control, control motors/other electronics etc.
Each relay has a heavy contact load of 30A and comes with a metal mounting bracked , 30A medium blade fuse and wire socket.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E Support | 9.79 | ✅ | ✅ | ✅ |
Voltage: DC 12V , Current: 30A, Pin Number: 4 Pin
Normally open contacts,Separate metal bracket, can easily be removed from the bracket and has a small and lightweight construction
Mechanical life of 100,000+ cycles, Life Expectancy Mechanical: 10,000,000 Operations.
Widely used in car keys power control, over-load protection, trunk release, power door lock/actuator control, control motors/other electronics etc.
Each relay has a heavy contact load of 30A and comes with a metal mounting bracked , 30A medium blade fuse and wire socket.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E Support | 9.79 | ✅ | ✅ | ✅ |
Brand new heavy duty 12 Volt 40 amp 4-prong SPST relays
Relay socket size: Approx 55mm*30mm, Wire Length:14cm
Excellent waterproof performance, high quality in any weather conditions
Mechanical life of 100,000+ cycles, Life Expectancy Mechanical: 10,000,000 Operations.
Widely used in car keys power control, over-load protection, trunk release, power door lock/actuator control, control motors/other electronics etc.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| E Support | 9.79 | ✅ | ✅ | ✅ |
Voltage: 12V, Contact rating: 200A
Size: 45mm(L) x 45mm(W) x 45mm(H), about 1.77''(L) x 1.77''(W) x 1.77''(H)
It is made of high quality material, with long serving life
4Pin Normally Open with 60 Ohms Coil Resistance.
Hundreds of uses include- starter kills, domelight supervision, trunk release, polarity change, power door lock/actuator control
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Esupport | 8 |
We've carried out a comprehensive analysis of 2,324 reviews on door relays, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select door relays priced around $11.12, with top brands including and
Our team of expert editors reviewed these high-quality items and handpicked the top 8 door 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 door 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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