12077866 Relay (Set of 4), 12V 5pins Horn Oil Pump Relay for 5810-0202, 7866, Compatible with Buick, Cadillac, Chevrolet, GMC

The 12077866 is a high-quality automotive relay designed for reliable switching functionality in automotive applications. With its normally open configuration, 12VDC operation, five-pin configuration, and durable construction, it provides flexibility, compatibility, and reliable performance in controlling electrical circuits, suitable for various applications such as automotive, industrial, and household electronics. Application in VW, Audi, BMW, etc. Engine Cooling System: Radiator Fan Control: This is one of the most common uses. The relay is triggered by the engine control unit (ECU) or a thermal switch to power the primary or secondary electric cooling fan. Fuel System: Fuel Pump Relay: A critical application where the relay provides high current to the electric fuel pump. It is often activated by the ECU or the ignition switch. Comfort & Body Control: Power Windows / Sunroof: Controls the high current for the motors. Central Locking System: Activates the door lock actuators. Heated Seats / Rear Window Defroster: Manages the high power demand for these heating elements. Other Common Uses:A/C Compressor Clutch: Engages the clutch for the air conditioning system. Horn: Powers the vehicle's horn(s). Headlights / Fog Lights: (Though micro relays are more common for lights in modern cars). Package Includes: 4 x 12VDC 5-Pin OEM Relays (Part Number: 12077866)

• Fit Perfectly: The 12077866 automotive relays fit for Buick, Cadillac, Chevrolet, GMC, Hummer, and other vehicles
• Replacement Part Numbers: These relays replace 5810-0202, 7866, 13502751, and D1780C, ensuring optimal performance and durability
• Premium Materials: Mini motor relays are made of high quality materials with low power consumption, high temperature resistance contributing to the smooth operation of various electrical systems
• Wide Application Range: Automobile relays provide stable connections and reliable performance with efficient and easy operation in a wide range of automotive applications from controlling lighting systems to powering various electrical components
• Easy Installation: Package includes one automotive control relays, 5-pin configuration and plug-in design reduce the complexity and simplify the installation process