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Item #:
98766895
4Pcs 12077866 5-Pin 12V Automotive Relay - Replacement for 5810-0202, 7866, Compatible with Buick, Cadillac, GMC
Item #:
98766895
PHP 1006
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Sunday, August 23
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Experience versatile compatibility, easy installation, and reliable performance with the 5-Pin Automotive Relay 12077866.
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What Stands Out
High Compatibility
Designed to replace various automotive relays including 5810-0202 and 7866, ensuring seamless integration with popular brands like Buick, Cadillac, and GMC.
Reliable Performance
With a durable construction, these relays promise consistent and efficient functionality under automotive conditions, addressing common electrical issues faced by vehicle owners.
Cost-Effective Solution
Offering a four-pack at an economical price, this product delivers excellent value for money while reducing the need for frequent replacements, making it ideal for DIY enthusiasts.
Product Details
| Connector Type | Plug-In |
| Mounting Type | Socket Mount |
| Operation Mode | Automatic |
| Coil Voltage | 12 volts_of_direct_current |
| Minimum Switching Voltage | 12 volts_of_direct_current |
| Brand Name | Casalytics |
| Unit Count | 4 Count |
| Manufacturer | Casalytics |
| Part Number | 120778664PPT |
| Brand | Casalytics |
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
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Car Enthusiasts
Ideal for individuals looking to replace faulty relays in their Buick, Cadillac, or GMC vehicles for optimal performance.
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DIY Mechanics
Perfect for those who undertake automotive repairs themselves and require reliable replacement parts to ensure vehicle functionality.
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Fleet Maintenance
Useful for businesses managing multiple vehicles, ensuring efficient relay replacement and reduced downtime during maintenance.
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Non-Automotive Use
Not suitable for users requiring relays for non-automotive applications, such as home electrical systems or appliances.
Product Description
4Pcs 12077866 5-Pin 12V Automotive Relay - Replacement for 5810-0202, 7866, Compatible with Buick, Cadillac, GMC
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the specifications of the Relay 12077866?
Answer: The Relay 12077866 is a 5-pin, 12V automotive relay designed for reliable performance in various vehicles including Buick and Cadillac models. Its robust construction ensures efficient current management, helping to control electrical components like headlights, fuel pumps, or air conditioning systems. Due to its compatibility with several part numbers such as 5810-0202, G8V-RH-1C7T-R-DC12, and 278003828, this relay is a versatile choice for automotive repairs. -
Question:
How do I know if Relay 12077866 is compatible with my vehicle?
Answer: To confirm compatibility, first check if your automobile has a relay labeled with part numbers 5810-0202, G8V-RH-1C7T-R-DC12, or 278003828. You can also consult your vehicle’s owner manual or the manufacturer’s website for specifications. This relay is particularly designed for select Buick and Cadillac models, making it a reliable option for those brands. If in doubt, consult a professional mechanic for assistance. -
Question:
Can I use Relay 12077866 for other car brands?
Answer: While the Relay 12077866 is specifically designed for Buick and Cadillac vehicles, its electrical specifications might be suitable for various other brands, depending on their relay requirements. If you plan to use it in a different vehicle, cross-reference the pin configuration and voltage specifications. This relay's wide application could be beneficial for general automotive repairs or installations that require adaptable solutions. -
Question:
What is the function of an automotive relay like the 12077866?
Answer: An automotive relay like the 12077866 acts as an electrical switch that controls high-current devices with low-current signals. You can think of it as a gatekeeper that allows your car’s electrical system to activate components like headlights or ignition systems without overloading the circuit. This is essential in maintaining the durability of your vehicle’s electrical setup while ensuring that everything operates smoothly and efficiently. -
Question:
How do I install the Relay 12077866?
Answer: To install the Relay 12077866, first disconnect your vehicle's battery to prevent any electrical mishaps. Locate the relay socket in your vehicle, usually found under the hood or inside the dashboard. Remove the old relay, if present, and align the new relay pins with the socket, ensuring they're correctly seated. Reconnect the battery and test the component the relay controls to ensure functionality. Following this method promotes safety and accuracy in your installation. -
Question:
Is it safe to use aftermarket products like the Relay 12077866?
Answer: Using aftermarket products like the Relay 12077866 can be safe as long as they meet or exceed OEM specifications. This relay is designed as a replacement, ensuring that it operates effectively within your car’s electrical system. Always choose high-quality components and verify compatibility with your specific vehicle model, which can contribute to overall vehicle safety and performance. Reliable aftermarket selections can often outperform OEM parts. -
Question:
What should I consider when replacing a relay in my vehicle?
Answer: When replacing a relay such as the 12077866, consider factors like compatibility with your vehicle, the amperage and voltage specifications, and whether there are any noticeable symptoms indicating relay failure, like flickering lights or non-functioning components. It's also advisable to look for signs of wear on surrounding electrical components to prevent future issues, ensuring that you choose suitable replacements for a seamless operation. -
Question:
What are the symptoms of a failing automotive relay?
Answer: A failing automotive relay often presents signs such as intermittent electrical failures, inconsistent operation of devices (like lights, fuel pumps, or starting systems), or components that don't activate at all. You may also notice unusual noises from the relay itself, like clicking sounds when attempting to operate a function. If you experience these issues, replacing your relay with a product like the 12077866 can restore functionality and reliability in your vehicle’s electrical operations. -
Question:
Where can I buy Relay 12077866?
Answer: You can conveniently purchase the Relay 12077866 from Ubuy in Philippines. Ubuy offers a wide selection of automotive parts, ensuring that you get high-quality products that meet your specifications. Their platform allows for easy navigation, making it simple to find the right relay and check for compatibility with your vehicle model, whether it's a Buick, Cadillac, or other compatible brands.
Casalytics Horn Editorial Review
The 4Pcs Relay 12077866 automotive relay has garnered a generally positive reception from customers who require reliable replacement components for their vehicles. This 5-pin 12V relay is designed to be compatible with popular car brands such as Buick, Cadillac, and GMC, catering particularly to those in need of functional and dependable electrical parts. Users have expressed satisfaction with the ease of installation, noting that the relays fit well into the existing systems without any modifications, making them accessible for DIY enthusiasts and professional mechanics alike. The relay's performance has been highlighted, with many reporting that it successfully resolves common electrical issues that may arise in older vehicles. Customers appreciate the reliability of the relays, emphasizing their effectiveness in restoring functionality to essential vehicle systems. Critically, several users have pointed out that the product represents excellent value for money, given its pricing relative to similar items in the market. This affordability, combined with the solid performance, has led to numerous repeat purchases and recommendations to fellow car owners. Overall, the 4Pcs Relay 12077866 appears to be a trusted choice for those looking for quality automotive relays suited for Buick, Cadillac, and GMC models. **
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Pros
- Easy to install with no modifications required.
- Excellent value for money compared to similar products.
- Compatible with popular car brands.
Cons
- Limited feedback on long-term durability.
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23 July 2026 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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PHP 1006
Order now and get it around Sunday, August 23
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
- Compatible with multiple vehicle brands: Buick, Cadillac, Chevrolet, GMC, Hummer, and more.
- Alternate reference part numbers included for easy identification: 5810-0202, 7866, 13502751, D1780C.
- Simple plug-and-play 5-pin design for quick and hassle-free installation.
- Constructed from high-quality materials to ensure durability and performance.
- Versatile applications including lighting control, powering accessories, and activating fans.
- Reliable power distribution for various electrical systems in your vehicle.
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