Description
Product Overview
The GCP Radiator Fan Relay (model 90-380) is engineered for robust automotive cooling systems. Featuring a quick‑connect panel‑mount design, the relay utilizes silver alloy contacts for superior conductivity and reduced wear. Rated at 18 amps with a 24 V AC coil, it delivers consistent fan activation while meeting UL safety standards. Compact dimensions of 2 × 2 × 2 inches and a lightweight of 2.4 oz make it easy to integrate into tight engine compartments. Key specifications include a coil resistance of 1330 mΩ, a wattage of 4.32 W, and a maximum switching voltage of 240 V, ensuring versatile compatibility across a range of vehicle models.
Usage
Designed for panel‑mount installation, this relay is ideal for both original equipment manufacturers and aftermarket installers seeking a reliable fan control solution. It performs optimally in high‑temperature engine bays, providing automatic operation that responds to temperature sensors and engine load. Suitable for passenger cars, light trucks, and performance vehicles, the GCP relay supports cooling fans, auxiliary electric fans, and even electric water pumps where precise voltage control is essential. 
Why Choose Us
GCP’s reputation for automotive electrical components is built on rigorous testing and quality assurance. Each relay undergoes UL certification, guaranteeing compliance with stringent safety and performance criteria. The silver alloy contact material offers lower resistance and longer service life compared to standard copper contacts. Our quick‑connect design reduces installation time and minimizes the risk of wiring errors, delivering a hassle‑free experience for technicians and DIY enthusiasts alike.
Key Features
- Silver alloy contacts provide high conductivity and durability
- Quick‑connect panel‑mount design simplifies installation
- 18 A current rating supports demanding cooling fan loads
- 24 V AC coil with 1330 mΩ resistance ensures reliable actuation
- UL certified for safety and performance compliance
FAQ
What vehicles are compatible with this relay?
The GCP radiator fan relay fits most passenger cars, light trucks, and performance vehicles that use a 24 V AC fan control circuit and require an 18 A switching capacity.
Can I replace a factory‑installed relay with this unit?
Yes. The quick‑connect terminals match standard automotive relay pins, allowing a direct swap without additional wiring modifications.
Is the relay suitable for high‑temperature environments?
Absolutely. The silver alloy contacts and UL‑rated construction are designed to operate reliably in engine bays where temperatures can exceed 120 °C.
What is the warranty on this product?
GCP offers a one‑year limited warranty covering defects in materials and workmanship, ensuring peace of mind for professional installers.
How do I test the relay after installation?
Use a multimeter to verify coil voltage continuity at 24 V AC and check that the contacts close when the coil is energized, confirming proper fan activation.
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