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A reliable power relay is crucial for the proper functioning of various automotive electrical systems. When a factory relay fails, replacing it with a high-quality aftermarket option ensures your vehicle's lights, horn, fuel pump, and other essential components operate as intended, preventing potential electrical issues and safety hazards.
GM Vehicle Compatibility: Direct OEM replacement for part numbers 12088567, 12135170, 13502679, 158707, 13500114, 12088567, 12135170, 13502679, 158707, 15-8707, 19116057, 15328866, 19115083, 19115080, and 15393412, and more. Fits Chevy Silverado, GMC...
20A High-Power Switching: Handles 12VDC/20A loads for critical systems like fuel pumps, headlights, A/C compressors, and auxiliary circuits. Built for reliable power distribution.
SPDT 1 Form A Design: Single Pole Double Throw configuration allows switching between two circuits—ideal for complex automotive controls or dual-function setups.
Plug-and-Play Installation: 4-terminal plug-in design ensures quick, tool-free replacement. Secures tightly into factory sockets for vibration-resistant connections.
Rugged Construction: Engineered with durable contacts and heat-resistant housing to withstand -40°C to +125°C temperatures, perfect for trucks and off-road use.
Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
Small size/Low power consumption/High contact voltage/ High sensitivity.
Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ.
Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.
【Practical Function】: AC relays can be used to control a variety of electrical equipment by controlling the on-off of a circuit. And it can convert low voltage and small current signals into high voltage and high current control signals to realize...
【Excellent Quality】: It is made of high quality brass with good corrosion resistance and high electrical conductivity, ensuring a secure electrical connection even under prolonged use. It can effectively resist environmental erosion and extend the...
【High Performance】: This relay offers significant advantages in the automotive industry, responding precisely to AC electrical signals for fast on-off control of circuits. Please note: The number in the last row of the product is the serial number...
【Easy to Carry】: It measures 0.87 x 0.57 x 1.07 inches and is very easy to carry. It is suitable for ordinary cars and easy to operate. You only need to connect the relay with wires, no other tools are needed, convenient for you to use and replace, so...
【Wide Application】: Our relays are designed to be flexible and suitable for a wide range of applications. It can be applied to apply to air conditioning, fan, starter, headlight, horn, ignition, fog light, rear window defroster, blower, baggage light...
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
High-Quality: The 4016819 relay is made from high-quality materials to ensure durability and reliability.
High performance: With a 20A capacity and 4Pins, the 4016819 Ultra Micro ISO Automotive relay is an efficient solution for the Polaris vehicle's electrical system, ensuring optimal performance.
Easy to Install: The 4016819 relay is designed for easy installation, with simple wiring and a compact size that fits easily into your vehicle's electrical system.
Compatible: This 4016819 relay is compatible with a wide range of ATV and UTV models, making it a versatile solution for your vehicle.
Reliable: With its superior quality and dependable performance, the 4016819 provides reliable operation under even the most demanding conditions.
Premium Aftermarket Quality: High-quality aftermarket product designed to meet or exceed OEM specifications for reliable performance；
Technical Specifications: 40 Amp/12 Volt power trim and tilt relay designed for marine outboard applications；
Compatible Part Numbers: Replaces part numbers 582195, 582472, 582473, 584416, 586147, 586224；
Wide Application Compatibility: Used on Johnson, Evinrude, Outboard Marine Corp (OMC) and many other marine outboard motors；
Value Pack Quantity: Comes in a convenient pack of 4 relays for multiple replacements or backup inventory；
Easy Installation: The 5-pin relay enables simple replacement—just connect wires to matching pins. No extra tools needed, for quick installs even in tight spaces.；
Enough to Use: you will get 4 pieces of G8V-RH-1C7T-R-DC12 power relays, sufficing your daily use and replacement needs, and the quantity is also enough to share with family and friends
Sturdy and Sustained: fuel pump relay is made of quality nylon shells and brass pins, the auto power relay is stable in structure, not easy to deform or break, also can stand a certain cold and hot condition, bringing a fluent use experience
Proper Model: the model of multi purpose relay is G8V-RH-1C7T-R-DC12, suitable for voltage of 12V, designed with 5 pins, and the relay is in classic black color; Please notice the model before ordering
Where to Use: automotive relay is suitable for motorboats, and you can take them with you when you are going family vacation, can bring much convenience for your daily life and summer vacation life
Easy and Effortless to Operate: these auto relays are simple to use, just connect the relay with the wires, then the components will work normally, you can finish installing in a few seconds without other tools, convenient to install and replace
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Power Relays
Understanding Automotive Power Relays
Automotive power relays act as electrically operated switches. They use a low-current circuit to control a high-current circuit, allowing a small signal to manage a larger electrical load. This protects sensitive control modules and enables the use of thinner, lighter wiring for high-power components. Understanding their function is the first step in selecting the right replacement.
Key Features to Consider
Voltage and Amperage Rating: Ensure the replacement relay's voltage and amperage ratings match or exceed the original equipment manufacturer (OEM) specifications. Using an underrated relay can lead to overheating and failure, while an overrated one is generally safe but may be unnecessarily robust.
Contact Type: Most automotive relays are SPST (Single Pole Single Throw) or SPDT (Single Pole Double Throw). SPST relays are either on or off, commonly used for simple circuits like headlights. SPDT relays can switch between two circuits, often used for applications requiring a changeover function.
Terminal Configuration: Relays come with different numbers and arrangements of terminals (pins). Verify that the terminal layout of the new relay matches the socket in your vehicle's wiring harness to ensure proper connection.
Durability and Construction: Look for relays made from high-quality materials with robust construction. Features like sealed housings can protect against dust and moisture, extending the relay's lifespan, especially in harsh under-hood environments.
When to Replace Your Relay
Common signs of a failing power relay include intermittent operation of electrical accessories, complete failure of a component (like headlights or horn not working), unusual clicking sounds from the fuse box area, or even electrical system malfunctions. If you suspect a relay issue, testing it with a multimeter or swapping it with a known good identical relay can help diagnose the problem.
Installation Tips
Replacing a power relay is typically a straightforward process. First, disconnect the vehicle's battery to prevent electrical shorts. Locate the old relay, usually found in the fuse box or integrated into a wiring harness. Note the terminal configuration and orientation before removing the old unit. Then, simply plug in the new relay, ensuring it's fully seated. Reconnect the battery and test the associated electrical component.
Frequently Asked Questions
What is the difference between a 4-pin and a 5-pin relay?
A 4-pin relay typically functions as a Single Pole Double Throw (SPDT) switch, offering two possible output connections. A 5-pin relay, commonly a Single Pole Double Throw (SPDT) type, provides an additional terminal that allows for switching between two different circuits or states.
Can I use a relay with a higher amperage rating than the original?
Yes, generally you can use a relay with a higher amperage rating. This is considered safe as the higher rating simply means the relay can handle more current without overheating. However, ensure the voltage rating is the same or higher.
How do I know if my car's relay is bad?
Symptoms of a bad relay include the electrical component it controls not working at all, working intermittently, or experiencing unusual noises like clicking from the fuse box. You can often test a relay by swapping it with an identical, known-good relay or by using a multimeter to check continuity and coil resistance.
Are all automotive relays the same size and pin configuration?
No, automotive relays vary significantly in size, shape, and pin configuration. It is crucial to match the replacement relay's terminal layout and physical dimensions to the original to ensure it fits correctly into the vehicle's socket.
Do I need to disconnect the battery before replacing a relay?
Yes, it is highly recommended to disconnect the vehicle's battery before replacing any electrical component, including a power relay. This prevents accidental short circuits and protects both you and the vehicle's electrical system from potential damage.
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