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The 8 Best automotive accessory power relays of 2024

Are you trying to find automotive accessory power 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 accessory power 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 17 hours of research and did 61 automotive accessory power 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 accessory power relays you can buy today

No. 1
Miytsya 4 Pack Car 5 Pin Relay Switch 12V 30A SPST, Waterproof Stable Relay, Multi-Purpose Relay Heavy Duty Standard Relay Kit, Universal for Car Motor Replacement Accessories (Black)
  • ★ Specifications: You will receive 2/4 12V 30A 5-pin relays measuring approximately 1.41 x 0.94 x 0.63 inches / 3.6 x 2.4 x 1.6 cm. The 30A 12V relays can be used to control the circuits of components in vehicles with high current loads, such as headlights, fuel pumps and cooling fans.
  • ★ Quality Material: The power relay assembly is made of High quality composite and the pins are made of brass to withstand hot and cold conditions. Durable, rugged, unbreakable and corrosion resistant, they will support you for a long time and are suitable for replacement and repair of AC relays.
  • ★ Smooth Running: The housing is protected from harsh temperatures and hood conditions, for extended wear. All parts are manufactured to exacting quality requirements. Relays play an important role in the ever-increasing number of automotive electronics.
  • ★ Widely Used: Starter relays can be commonly used in air conditioning compressor fan motors, starters, headlights, horns, ignitions, fog lights, headlights, fans, rear window defrosters, blower motors, cargo lights, running lights, oxygen (O2) sensor relays, fuel pump/disconnect relays, and other accessories.
  • ★ Easy to Use: The motor 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.
No. 2
Zlirfy 4Pin Car Relay,Automotive Power Relay,12V 22A 2 to 4 Switch Multi Purpose Relay,Car Accessories Car Air-Conditioning Relay,Replace 90987-02004,056700-5260,90987-02002,90080-87001,90080-87003
  • [High Quality Materials]Multipurpose relays are made of high-quality materials, with long-lasting durability and reliability, stability and safety, reliable quality, and long service life.
  • [Original Standard] Relays are manufactured to high standards, with quality that meets or exceeds the original accessories, and lower prices, saving you maintenance costs.
  • [Features] The automotive power relay provides reliable 12VDC power supply, and the 4-pin design ensures safe and stable connection. Easy to install and use, it is a convenient solution for any DIY car enthusiast or professional mechanic.
  • [Alternative Reference Part Numbers] 90987-02004056700-5260, RY5190987-0200290080-8700190080-87003 056700-4810, 2-96132 PC643,4E-1103, S10037, 71-4660, 213 422.
  • [Application] 4-pin relays are commonly used in excavator and automotive air conditioning compressor fan motors, starters, headlights, horns, ignition switches, fog lights, headlights, fans, rear window defrosters, blower motors, lighting, driving lights, fuel pumps/circuit breakers, and other accessories.
SaleNo. 3
ZBGUN 4 PCS Car 5-pin Relay, Oil Pump Air Conditioner Headlight Fan Heavy Relay Replacement Parts, 12V/24V 30A High Performance Multi-Function Start Relay, Universal Accessories for Most Cars (Black)
  • Premium Quality: This relay shell is made of PA66, which has excellent wear resistance and insulation properties and is not easy to break. Copper feet, copper wire and silver contacts are used, which have stronger conductivity, and low contact resistance. Standard full-turn coil, wiring quality is guaranteed. Stable and reliable with long service life.
  • Function: This relay protects the circuit and switch by controlling the magnitude and on-off of the current. Plug and play style, just plug the relay in, no other tools required, convenient for you to use and replace, let your car work normally.
  • Packing List: The package includes 4 x black 5-pin relays. Meet your usage needs. Product dimensions are 0.9" x 0.6" x 0.98". You can also share it with friends and family in need.
  • Application: This relay is suitable for most automobile circuit control systems, such as compressors, fan motors, water pumps, wipers, starters, car tail lights and other power circuit switches. At the same time, it is widely used in remote control, telemetry, communication, automatic control, mechatronics and power equipment.
  • Easy to Use: This relay includes 5 contacts. 30 is the power cord that connects the vehicle fuse. 85 is to connect the vehicle switch. 86 is to connect the negative pole of the vehicle. 87 is a normally closed pin, which is connected to 30 when the power is off and disconnected when the power is on. 87a is a normally open pin, which is disconnected from 30 when not powered, and connected to 30 when powered.
SaleNo. 4
ZAS 10 Pcs Waterproof Relay DC 12V 40A Relay 5 Pin Relay Car Heavy Duty Split Charge Waterproof Transparent Case, Starter Relay Car Heavy Duty Relay for Car Motor Automotive Replacement Accessories
  • 12V 40A 5-pin High-current welded connections for reliability
  • Standard is a global manufacturer of original equipment ignition products; complete quality control is maintained through the manufacturing process from componentry to finished product
  • Composite housings protect against harsh temperatures and severe under hood conditions
  • Featuring brass or copper contacts where specified for extended wear
  • All parts are manufactured to stringent quality requirements. Relays play a large role in the ever increasing amount of electronics in automobiles.
SaleNo. 5
irhapsody Relay 120A, 12V Continuous Duty Relay, 4 Pin High Current Relay, Split Charge Relay Switch, Spst High Power On/Off Heavy Duty Starter Relay
1,337 Consomer Reviews
irhapsody Relay 120A, 12V Continuous Duty Relay, 4 Pin High Current Relay, Split Charge Relay Switch, Spst High Power On/Off Heavy Duty Starter Relay
  • Coil power: 1.8w, and coil resistance is 80 ohms. It is more reliable than 2.4w((60 ohms) and 4.8w(30 ohms) relays on the market
  • Large capacity, high current carrying capacity, heavy-duty make/break relay
  • Ideal for split charging or any vehicle needing a high-power relay
  • Never go beyond its capabilities; try to stay 10 to 15% below what the rate is for
  • The size of the round stud terminals: M6/6mm
SaleNo. 6
irhapsody 5 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 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
No. 7
Zlirfy 4 Pieces 5 Pin Relay,Automotive Starte Relay 12V 30A Multi-Purpose Relay Heavy Duty Standard Relay Kit,Waterproof Automotive Relay Starter Relay,Automotive Replacement Accessories
  • [Safe and Reliable] The starter relay is made of high-temperature flame-retardant plastic, which is more safe and reliable, sturdy and durable, waterproof, and can be used for a long time.
  • [Package Included] The package includes four 12V 30A 5-pin relays, measuring approximately 1.41 x 0.94 x 0.63 inches. Sufficient quantity to meet your daily use and replacement needs.
  • [Silver Alloy Pins]The 12V relay is designed with silver alloy pins to improve contact stability and sensitivity, enhance conductivity, and increase current carrying capacity.
  • [Application] Multipurpose car starter relays can be applied to devices such as taillights, engine compartments, electric cooling fans, electric water pumps, electric fuel pumps, door wiper handle solenoid valves, luggage compartment solenoid valves, etc.
  • [Note] The car relay is a 12V 30A 5-pin relay. It is not applicable to all models and brands. Please carefully check the specifications before purchasing to confirm if it is applicable.
No. 8
irhapsody 4-PIN 40/30AMP 12V DC Waterproof Relay with Harness - Heavy Duty 12 AWG Tinned Copper Wires, 1 Pack SPST Automotive Relay
  • Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
  • 12-volt 4-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
  • For the people whose relays are burning, please make sure you are making tight connections (especially on the load wires), read the specs on the item description, and ensure that the operating environment meets the safety requirements of the relay
  • Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors
  • Thick 12 gauge wire for the load terminals. Easy to install just make sure you follow the wiring diagram. Works for both positive and negative activation
SaleNo. 9
Nilight SPDT Relay Replacement 12V 5 Prong SPDT Auto Tilt Trim Relay (Pack of 10) 40/30 AMP Electrical Power Relay Switch 5 Pin Bosch Style Relay for Automotive Cars Marine Boats,2 Years Warranty
  • 5 Pin SPDT (Single Pole Double Throw) Bosch Style Electrical Relay.
  • 40A/30A High Switching Capability. These relays have a universal application and can be used in a 12 Volt DC power source, such as automotive setups, car sound systems, security systems, and various other applications.
  • Pin Specifications: 30V DC. Ground (85), Trigger (86), Output N/C (87a), and Output N/O (87).
  • Maximum Applied Voltage: 15.6 V DC; Max Operating Voltage is 27V DC; Nominal Coil Voltage: 12 V DC; Max Operating Current: 40A; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Insulation Resistance: 100MΩ
  • Package include: 10 pack electrical relays. Sockets are not included. 2 Year Warranty by Nilight.
SaleNo. 10
Nilight SPST Multi Purpose Relay 12V 5 Prong Fuel Pump Relay 5Pack 35A/20A Ultra Micro ISO Automotive Replacement Accessory Power Relays for Automotive Cars Truck tractor Marine Boat, 2 Years Warranty
  • Type: 5Pin SPST Relay, Coil voltage: 12V; Current: 35A; model#301-1C-C-R1-U01-1. NO contacts switch 35A resistive load, NC contacts switch 20A resistive load. This relay will work in most vehicles as long as your original relay is 5 pin with all pin’s orientation being parallel to each other, this should work.
  • Premium Quality:Made by high-grade materials to ensure superior quality and long lifespan. High Temperature withstand up to 125°C ambient. Designed to deliver trouble-free, consistent performance. General applications for automotive power supplies.
  • Key Functions: Due to a damaged or worn out sensor, switch, or relay, such problems of Turn signal inoperative,hazard lights and headlights inoperative, cruise control inoperative, warning indicators on the instrument panel, service engine soon light illuminates and no start or hard start may occur, and Nilight multi-purpose relay can well fix the issues.
  • Multi-Function Relay: can be Used as headlight relays to make the low beam to stay on when the high beams come on.(Personal needs). Also can be Can be used as Fuel Pump Relay, or worked well on solving windshield wipers problems.Simple fix for intermittent unlock failure of the second row doors and tailgate etc.
  • Package Includes: 5PCS Micro Relays. 2 Year Warranty by Nilight.

How to choose a good automotive accessory power relays

Does the idea of finding a fantastic automotive accessory power 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 accessory power 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 accessory power 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 accessory power 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 accessory power 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 accessory power 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 accessory power 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 accessory power 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 accessory power relays.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive accessory power 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 accessory power 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 accessory power 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 accessory power relays.