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Item #:
78426210
40Amp Automotive Relay with Socket Heavy Duty for Truck Car Van Motorcycle Boat Relay 1-Pack 4 pin 12V DC
Item #:
78426210
MMK 45859
Price Details
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*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Monday, July 20
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Engineered for durability and performance, this 40A 4-pin relay is your reliable choice for a wide range of automotive applications.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Capacity Performance
Designed to handle up to 40 amps, ensuring reliable operation for heavy-duty vehicles like trucks and boats, making it ideal for demanding applications.
Complete Socket Inclusion
Comes with a durable socket for easy installation, eliminating the need for additional components and simplifying setup in various automotive or marine environments.
Versatile Application
Suitable for multiple vehicle types—cars, vans, motorcycles, and boats—providing flexibility for users needing a dependable relay across different transportation modes.
Product Details
| Item Weight | 0.25 lbs (110 grams) |
Who Should Buy?
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Heavy Vehicle Users
Ideal for users with trucks or vans requiring reliable power management in demanding environments.
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Motorcycle Enthusiasts
Perfect for motorcycle owners needing a dependable relay to control lighting or accessories.
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Boat Owners
Great for boaters wanting to ensure their electrical systems are efficiently managed with a durable relay.
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High-Performance Cars
Not suitable for high-performance vehicles requiring advanced or specific relay specifications.
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Small Personal Devices
Unsuitable for small electronics or appliances that do not require heavy-duty relays.
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DIY Beginners
May not be ideal for inexperienced users unfamiliar with automotive electrical systems or installations.
Product Description
40Amp Automotive Relay with Socket Heavy Duty for Truck Car Van Motorcycle Boat Relay 1-Pack 4 pin 12V DC
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the purpose of the DIANQI 14VDC 40Amp Automotive Relay?
Answer: The DIANQI 14VDC 40Amp Automotive Relay is designed to control high-current electrical loads in vehicles, such as horns, lights, and other accessories. It acts as a switch that is activated by a low-voltage signal, allowing you to safely operate heavy-duty devices without overloading smaller switches. This makes it essential for car enthusiasts who want reliable and efficient control over their automotive systems. -
Question:
How does the interlocking socket work with this relay?
Answer: The interlocking socket included with the DIANQI relay ensures a secure and stable connection, preventing accidental disconnections and ensuring that the relay operates correctly. The design allows for quick installation and removal while maintaining a solid electrical contact, which is vital for the overall safety and effectiveness of the electrical system in your vehicle. -
Question:
Can this relay be used in marine applications?
Answer: Yes, the DIANQI 14VDC 40Amp Automotive Relay is suitable for marine applications. Its robust design and materials can withstand the harsh environments commonly found in marine settings, such as moisture and corrosion. This makes it a reliable choice for controlling systems like boat horns or lights, where performance and durability are critical. -
Question:
What are the benefits of using copper wiring harness with this relay?
Answer: The included copper wiring harness ensures excellent conductivity and durability, reducing the risk of overheating and failures over time. Copper is known for its superior electrical properties, which make it ideal for high-current applications. By using this harness with the relay, users can expect improved performance and reliability, especially in demanding automotive situations. -
Question:
What vehicles are compatible with the DIANQI relay?
Answer: The DIANQI 14VDC 40Amp Automotive Relay is compatible with a wide range of vehicles, including cars, trucks, and boats. Its versatility allows it to be used in various applications, from upgrading existing systems to implementing new accessories, making it a great addition for DIY enthusiasts and professional installers alike. -
Question:
Is this relay suitable for LED lighting systems?
Answer: Absolutely! The DIANQI 14VDC 40Amp Automotive Relay works effectively with LED lighting systems. Since LEDs often require a relay to handle their power efficiently, this relay can switch higher currents while protecting the LED lights from potential overloads. This is particularly beneficial for users looking to install light bars or upgraded headlights. -
Question:
What is the relay's rating and how can it handle high-power devices?
Answer: This relay is rated for 40 amps at 14VDC, making it capable of handling high-power devices like horns and major lighting setups. The design features a robust internal mechanism that ensures it can manage substantial electrical loads reliably, which is essential for both performance and safety when working with demanding automotive applications. -
Question:
Does the relay come with instruction for installation?
Answer: Yes, the DIANQI 14VDC relay typically includes instructions for installation. These instructions guide users through wiring and setup processes, ensuring that the relay functions effectively within the vehicle's electrical system. For those who may not be familiar with automotive electronics, these instructions serve as a valuable reference to achieve a successful installation. -
Question:
What is the pin configuration for this relay?
Answer: The DIANQI 14VDC relay features a 4-pin configuration, which typically includes two pins for the coil and two pins for the switch contacts. This setup allows for simple integration with existing wiring systems in vehicles. The layout is designed for ease of use, ensuring that even those new to automotive wiring can effectively use the relay in their installations. -
Question:
Where can I buy the DIANQI 14VDC 40Amp Automotive Relay in Myanmar?
Answer: You can purchase the DIANQI 14VDC 40Amp Automotive Relay from Ubuy in Myanmar. Ubuy offers a streamlined shopping experience with various payment options, making it convenient for customers to acquire this essential automotive component. Their platform also provides detailed product information and customer reviews that can help you make an informed decision.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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12 June 2026 · via Trustpilot
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- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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MMK 45859
Order now and get it around Monday, July 20
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- 40A 4-pin relay designed for durability and high performance.
- Operates efficiently in temperature ranges from -40°C to +85°C.
- Features easy assembly with an interlocking socket for quick installation.
- Made with high-quality materials including silver alloy contacts and pure copper wiring.
- Capable of withstanding 100,000 electrical operations and 1,000,000 mechanical operations.
- Ideal for horns, lamps, cooling fans, fuel pumps, and other automotive systems.
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