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The 8 Best automotive anti theft relays of 2024

Are you trying to find automotive anti theft relays among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling automotive anti theft relays on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 20 hours of research and did 57 automotive anti theft relays tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best automotive anti theft relays you can buy today

No. 1
Recoil 2 Pack Automotive 5-Pin 30/40A 12V SPDT Relays with Interlocking Relay Sockets and in-line ATC Fuse Holders (2 Pack)
  • 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
No. 2
Tierxialqt 5 pin 12v 30A Automotive Micro Relay 4 Pack Manual Relay 12 Volt Relay Replacement Electrical System Starter relays Suitable for 12 Volt car Smaller relays Safety Marine for 12 Volt car
15 Consomer Reviews
Tierxialqt 5 pin 12v 30A Automotive Micro Relay 4 Pack Manual Relay 12 Volt Relay Replacement Electrical System Starter relays Suitable for 12 Volt car Smaller relays Safety Marine for 12 Volt car
  • 5 pin 12v 30A relay, normally open and normally closed form, plug-in socket terminals, easy and quick installation.
  • 12vdc relays Suitable for automobile rear window defogger, battery circuit breaker, air conditioner, water pump, fog lamp, cooling fan, headlight, start-stop control, etc..
  • 5 pin minirelay minisize and light weight, This heavy duty standard relay features a silver alloy contact design for greater electrical conductivity and longer service life. The silver alloy contacts provide excellent electrical conductivity and ensure reliable current transfer.
  • High quality copper coil and silver contacts provide excellent conductivity.
  • Be careful not to use a current or voltage that exceeds the automotive relay. If you have any questions about the product in use, please contact us.
No. 3
Kalmaegee 5 Pack Relay 12V 40A, 5 Pin Relay SPDT with Sockets and Wiring Harness Relay Switch Kits for Car Truck Motorcycle Boat
  • 【Superior Quality】Our 12V relays are made with high-quality composite material for electrical insulation and durability. The silver alloy contact and copper coil ensure stable performance.
  • 【5-Pin Design】Our relays are more versatile than 4-pin relays, allowing for use as normally open or normally closed relays. The compact size makes them easy to store and use when needed.
  • 【Easy to Use】Our 12V relays come with 5 different colors of wires for safe and convenient accessory wiring, easy to mount with the mounting flange. With enough quantities for your needs and replacements, you can share them with friends and family.
  • 【Wide Applications】Our relays are practical automotive replacement accessories that can be used in tail lights, electric cooling fans, auxiliary lights, starters, headlights, horns, fog lights, led light bar, rock lights, rear window defrosters, and more.
  • 【Package Content】5 pack relays and 5 sockets and wiring harness.
No. 4
Bluetooth Battery Kill Switch 12V 200A Remote Battery Disconnect Switch Anti-Theft Battery Protector Isolator Replacement for Automotive Car Truck RV
  • Universal fit and widely use. This upgrade kill switch can be not just a battery kill switch, it can be also used as a fuel pump kill switch
  • Easy to install. Just connect the red and black wire to the corresponding positive and negative poles, combine the two copper strips, install one end to the pin 30 and the other end to the battery terminal and tighten
  • Package comes with a battery kill switch kit with instruction in it, please carefully check and follow the instruction
  • The battery switch operates at a DC12V voltage. Please DO NOT use DC24V voltage
  • Contact us with any questions, comments or issues, we’ll get back to you with 24 ours
No. 5
irhapsody 1 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 plugging the relay into the socket. If you push hard, you will bend the female connector
  • Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g
  • 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
No. 6
Remote Battery Disconnect Switch 12v, 250A, Prevent Battery Drain, Disconnect Negative Car Kill Switch Anti-Theft, Remote Battery Kill Switch for Car, Truck, RV
  • Ultimate Protection: The remote battery disconnect switch easily solves the problem of battery drain but also protects the circuit, No matter how long your car is parked, The battery always has a full charge. The battery is via the remote switch, which also reduces the risk of theft occurs.
  • Premium Quality: Remote battery kill switch Instantaneous current of up to 450A rated current of up to 250A. Our remote battery kill switch is made with high-quality materials and pure copper wire, modules have larger rivers for better reception performance and can extend car battery life by 3 - 4 times.
  • Effortless Installation: Our upgraded remote battery kill switch for cars is designed to directly disconnect the negative switch, fix the battery clip to the negative pole of the battery, and connect the red wire to the positive pole of the battery, our upgraded version reduces a black power cord, making installation simpler than other products.
  • Versatile Use: Our 12V remote kill switch for cars is suitable for cars, trucks, RVs, travel trailers, campers, motorcycles, and any other engine application with 12-volt batteries. Please note that disconnecting the positive terminal may damage the battery and vehicle circuit.
  • Reliable Quality: If it cannot be used normally after installation, please check whether the circuit is installed normally or send a message to contact us, quality after-sales service is provided to go to meet any of your needs. If you have any questions you can email us and we will get back to you within 24 hours.
No. 7
Lanpard Faraday Bag for Key Fob(2 Pack), Cage Protector, Car RFID Signal Blocking Key Fob Protector, Double-Layers of Shielding Carbon Fiber Material Anti-Theft Pouch
  • [ RFID KEY FOB PROTECTOR ] This faraday bags can protect your car effectively. Lanpard faraday bags protect your belongings from EMF, RFID, and other hacking signals! Effectively stopping your keyless entry fobs from being remotely accessed.No worry about thieves amplifying your fob signal and opening the car anymore.
  • [ COMPACT SIZE ] Faraday bag size 3.15 x 4.5 inches/ 8 x 11.5cm. Smaller than others, more convenient to carry in most pants pockets. Each faraday bag for key fob is rigorously tested before shipment and all working properly. Includes 2 small faraday bages that you can protect your spare key fob or multiple vehicles in your household. Includes 2 small faraday bages that you can protect your spare key fob or multiple vehicles in your household.
  • [ BLOCK ALL SIGNAL TYPES ] Lanpard faraday bag is made of premium carbon fiber material and double military-grade RF shielding cloth, waterproof which can block WiFi (2.4 and 5 GHz), Bluetooth, GPS, RFID, car key signal, etc. Simply placing your key into the closed faraday bag will prevent your car key signal from being accessible by thieves. Protecting your car at all times. Block and unlock in just 2 seconds!
  • [ UPGRADED DESIGN ] The faraday bag with upgraded zinc alloy hook and key chain. More strong and more portable. You can use the hook hangs on the pants or the knapsack, the inside key ring ensures taking the car key out is easier. All the materials have been vigorously tested, which guarantees that the faraday bag works great even after long use. Reliable, high quality, handmade.
  • [ LIFETIME WARRANTY ] If there is any problem with lanpard faraday bag at any time, please contact us for a refund or resend a new set, Satisfaction Guarantee Risk-Free Shopping! Please check the model and size before purchasing.
SaleNo. 8
MAIKER Wireless Remote Control Battery Disconnect Switch Kill Switch for Car with 2 Keys Upgraded DC12V 200A Anti-Theft Prevent Battery Drain Electromagnetic Solenoid Valve Terminal
  • Remote Car Battery Disconnect Switch System - This is a More Convenient Car Battery Disconnect Switch System that can remotely master kill your car power system,When you leave the car for long time , the battery is still working,kill your car power system with a remote controller.
  • Better Security - eliminate any power draw from the battery when vehicle is not in use, disconnects the battery safely and save the car from being stolen.provide a reliable way to shutdown electrical power during and protect batteries from excessive drain,No power leakage anymore.
  • More convenient - this Remote Control Electromagnetic Battery Switch allows you to move the trigger from under the hood to your hand so that ​you won't need to open the hood to turn on power every time. Just press the remote button to disconnect your car power system.
  • Widely application - Remote Car Battery Disconnect Switch System is universal used for RV, Marine, Car, Boat, Camper, Travel Trailer, Truck, ATV, UTV, Jeep, battery and other engine application.
  • Tips - Rated Current 200A Main Switch Silver Contact Surface,Universal for DC 12V Power System.Come with remote control with distance upto 160 feet. Turn on the battery before you start the engine.Note:Do not turn off the battery when your engine is working.This remote battery switch is only for battery on / off, it can't start your engine
SaleNo. 9
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.
No. 10
ESUPPORT Car Heavy Duty Relay Switch 12V 30A SPST 4Pin Waterproof Electrical Automotive Pack of 5
  • 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

How to choose a good automotive anti theft relays

Does the idea of finding a fantastic automotive anti theft relays make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in automotive anti theft relays. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top automotive anti theft relays products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top automotive anti theft relays on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top automotive anti theft relays brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top automotive anti theft relays based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the automotive anti theft relays were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good automotive anti theft relays, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your automotive anti theft relays.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive anti theft relays for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our automotive anti theft relays. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what automotive anti theft relays should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on automotive anti theft relays.