Looking for the best Automotive Replacement Microprocessor Relays?
Discover now our comparison of the best Automotive Replacement Microprocessor 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 Microprocessor 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 Microprocessor 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.
SaleNo. 1
NVX XSBI500 Microprocessor-Controlled 500 Amp, Dual Sensing Smart Relay Battery Isolator
- Mobile Audio Relay and Battery Isolator. Great for isolating a second batter making it dedicated to the stereo system
- Does not create a voltage drop to the second battery like conventional isolators
- 500 Amps at 12V Continuous Power Handling. 700 Amps Surge Power Handling
- Switching Power: 10 - 16 VDC
- Draws Less Than 1 Amp When On
No. 2
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.
$16.99
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No. 4
gunhunt 4 PCS 40A Automotive Relays, Car Relay Switch, 5 Pin Relay, 12V Waterproof Car Relay, Trim System Components, Replacement for Car Boat Outboard Motor (Black)
- Quality Materials: The shell is made of PA66 material and pure copper enameled wire, which has good thermal conductivity, can dissipate heat faster and reduce temperature rise. The compact and repairable structure of the sloped trim relay will hardly break or deform, helping you adjust and switch circuits stably.
- Plug and Play: Compatible with the most universal 12V 5-Pin automotive relay with a 40A switching capability. Easy to process your demand. Please check the dimensions and the direction of the poles carefully before ordering to avoid buying the incorrect product.
- Wide Application: Outboard tilt system application and all automotive devices equipped with a 12-volt dc power source car sound systems, security systems, compressor, air.
- Nice Replacement for Many Relays: The electrical relay box can be a nice replacement for 582195, 582472, 582473, 584416, 586147 and 586224, offering you a pleasant using experience.
- Sufficient Quantity for Using: The package comes with 4 pieces of automotive replacement electrical system relays, enough to meet your using and replacing demands in daily life, bringing you lots of convenience.
$12.49
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No. 5
BOSCH 0332019150 Normal Open Mini Relay - 5 Pins, 12 V, 30 A - Single
- [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
- [COMPACT SWITCHING] - Bosch Mini Relays feature a compact design and are used in a wide range of vehicles to perform switching operations
- [PREMIUM PERFORMANCE] - Bosch relays incorporate only the highest quality materials for reliable, long-term performance and a 250,000 switching cycle capability
- [SUPERIOR ENGINEERING] - Engineered with high corrosion resistance to ensure long term reliability in harsh environments and conditions
- 5 pins, 12V, 30A; Integral bracket mount; Black Note: Both 87 pins (no 87a) are permanently connected. Relay should be wired like a 4 pin. Not for use where a true 5 pin relay is required
- Sold individually
$3.69
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No. 6
2PCS 4 Pin Car Relay, 12V 40A Multi-Purpose Automotive SPST Standard Relay Kit, Heavy Duty Replacement Accessory for Auto Switches, Starters (4 Pins)
- 【Reliable Quality】:This car relay black shell is made of nylon material, sturdy and wear-resistant, with electrical insulation and flame retardant properties. The pins are made of brass, with good conductivity, and cold and heat resistance, to ensure that the long-term use of non-deformation, not rust, to maintain stable performance.
- 【Specification】:This car relay tester's dimensions are 2.05 × 1.12 × 1.12 inch, voltage: 12V DC, coil capacity up to 40A, coil power: 1.8 W, coil resistance: 80 Ω, operating temperature: -40 to+85℃. 85: Ground, 86: Trigger, 87: Output N/O, 87a: Output N/C.
- 【Easy to Use】:This car relay replacement is easy and quick to install and replace, no need to do complicated wiring work, just connect the corresponding wires.
- 【Application】:This car relay can be used for a 12V DC power supply for car setup, car audio system, security system, LED lights, headlights, and many other application scenarios. For example, car tail lights, headlights, air conditioning, engine compartment, reverse impact, electric water pump, electric fuel pump, trunk solenoid valve, electric cooling fan, shaving door handle solenoid valve, and other equipment.
- 【Package Include】:You will receive two 4-pin SPST car relay tester in sufficient quantity to meet your usage needs, it is a regular product for car modification. Please confirm the model number of the relay before purchase to make sure that the relay is suitable for your car.
$4.89
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No. 7
irhapsody 12vdc 40amp 4-pin Replacement Relay, 5pcs SPST Automotive Starter Relays
- Plug-and-play style
- The relay housing is made of fire-retardant material
- Universal OEM replacement relay. Works for a car alarm, ABS, AC, remote start, headlight, LED light, fan, Speakers, fuel pump, Air Conditioning or upgraded horn
- It is used to switch single- or dual-speed fan motors. Compact, fully enclosed design for powerful heating and cooling applications
$9.99
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SaleNo. 9
Nilight 50023R 5 Pack 30A Fuse Relay car Truck Socket kit-30A Switch Harness Set-12V DC 4-Pin SPST Automotive 14 AWG Hot Wires-Auto Switches & Starters S
- Upgraded Version - Automotive relays built in fuse socket included 30A blade fuses with heavy duty 14AWG wires for main contact. No need of a separate fuse holder, saving space and money. Bosch style 4-Pin SPST (Single Pole Single Throw) Relay.
- Mounting Design Feature - The interlocking mounting design of unique male and female slot on each socket edge, connect relays together and manage cables easily, offering clean and neat installation.
- Easy Wiring - The relay sockets come with color-labeled wires for load/accessories convenient wiring. Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/O (87)
- Wide Application - Widely used in car keys power control, over-load protection, trunk release, polarity change, power door lock/actuator control, change a low current output to high current, add ignition/accessory outputs, control motors/other electronics etc.
- Set includes 5 relays, 5 relay harnesses, and 5 30A blade fuses.
−27%
$10.91
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SaleNo. 10
4 pin 12V Relay 12V 30A Multi-Purpose Universal Replacement Standard Automotive Relays Starter Cooling Fan Horn Headlight Accessory (4pin-4pcs)
- 【 High Quality And Reliable 】 The black shell of the car relay is made of nylon material，for superior insulation and corrosion resistance ，all pins of the product are made of brass, which is not deformed or rusted, and can withstand hot and cold conditions. It is very durable and sturdy to use, and is very suitable for long-term use.
- 【Compact】 Automotive relays size is 1.4 x 0.9x 0.61 inch/ 3.55 x 2.3x 1.55 cm approximately, making it ideal for tight installation spaces
- 【Pay attention to product size compatibility】 Due to size compatibility or ill fitting, as well as your failure to recognize the issue of 4-pin or 5-pin, it may result in returns or exchanges
- 【 Application 】 Our 4-pin 12V 30A relay product is very suitable for automotive and marine applications (fuel pump relay, starter relay, horn relay, fan relay, headlight relay, fuel relay, water pump relay, fuse relay, cooling fan relay, ac relay)
- 【Multi Purpose, Easy To Use】 Our 12V 30A 4 pin relays, High-performance relays are compatible with various applications, including automobiles, ships, household appliances, and industrial machinery equipment. The operation is simple, only the relay and wires need to be connected, no other tools are needed, and it is very convenient to use and replace, allowing the components to work normally.
- 【Durability]】 This car relays features 100,000 electrical life cycles and 1 million mechanical endurance cycles, with operating temperature range from -40° to +125°C
- 【Customer Service】 You can purchase and use every relay product with confidence,If you find any quality problems with our products, please let us know at any time. We will improve and upgrade the product quality every moment. At the same time, our team will provide lifelong free replacement service for every problematic product of our customers!
−30%
$6.99
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Last update on 2025-07-08 / Affiliate links / Images from Amazon Product Advertising API