Description
Product Overview
The PartCatalog PC-887370 horn relay is a precision‑engineered component designed to replace the original equipment relay in a wide variety of automobiles. Featuring a robust screw‑type connector, this relay operates automatically at 12 V DC and provides three reliable terminals for secure wiring. Built to meet OE specifications, it delivers consistent horn activation, ensuring your vehicle’s warning system functions exactly as intended. The direct‑mount design simplifies installation, eliminating the need for additional brackets or adapters.
Usage
This relay is ideal for everyday drivers, fleet operators, and automotive technicians who need a dependable horn replacement. It performs flawlessly in all standard driving conditions, from city traffic to off‑road environments, delivering a clear, loud horn signal whenever the driver activates the horn switch. Its universal fit, confirmed by the detailed fitment chart, makes it suitable for a broad range of makes and models, ensuring a hassle‑free swap in both personal and commercial vehicles.

Why Choose Us
Choosing the PartCatalog horn relay means opting for quality that matches or exceeds the original part. Each unit undergoes rigorous testing to verify voltage tolerance, contact reliability, and durability under temperature extremes. Our commitment to OE compliance guarantees that the relay integrates seamlessly with your vehicle’s existing electrical system, reducing the risk of malfunctions. Backed by a solid warranty and positive customer reviews, this relay offers peace of mind and long‑term performance.
Key Features
- Automatic operation at 12 V DC for instant horn response
- Screw‑type direct mount simplifies installation without extra hardware
- Three terminals ensure secure, low‑resistance connections
- OE‑spec compliance guarantees fit and function identical to the original relay
- Durable construction withstands temperature extremes and vibration
FAQ
Is this relay compatible with my vehicle?
Yes, the PC-887370 is designed to fit a wide range of vehicles. Please refer to the fitment chart in the image gallery to confirm compatibility with your specific make and model.
Do I need any special tools to install the relay?
No special tools are required. The screw‑type mounting allows you to secure the relay using a standard screwdriver, making the replacement process quick and straightforward.
What is the warranty on this horn relay?
PartCatalog offers a one‑year limited warranty covering defects in materials and workmanship, ensuring reliable performance throughout the warranty period.
Can this relay be used in cold climates?
Absolutely. The relay is tested for operation in extreme temperatures, making it suitable for both hot and cold environments without performance loss.
How does this relay differ from generic aftermarket relays?
Unlike generic relays, this unit meets OE specifications, uses high‑quality contacts, and provides a direct‑mount design that matches the original part’s dimensions and electrical characteristics, ensuring optimal reliability.




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