Auto Dynasty 2 Pcs Radiators Dual Fan Relay Kit, 40 AMP Automotive Relay Thermostat Switch Kit for 12V DC Operation, 3/8" NPT Radiator Fan Switch with 1/2" NPT Adapter (180f On / 165f Off)

When you install need additional cooling with additional fans, you'll need a fan relay kit to power it.

• Vehicle Compatibility - Ideal for performance/custom vehicles requiring auxiliary cooling. Compatible with 12 volt DC operation systems, perfect for classic cars, off-road builds, or racing applications.
• High-Capacity Electrical Components - Features a robust 40A relay and 30A inline fuse for heavy-duty performance. The 12V 30A self-resetting circuit breaker ensures overload protection without manual replacement.
• Smart Temperature Control - 3/8" NPT radiator fan switch with 1/2" adapter provides precise thermal management (activates at 180°F, shuts off at 165°F). Designed for grounded engine installations.
• Complete Kit for Enhanced Cooling - Includes 2 x 12V radiator fan relay kit with 40A relay, wiring harness, 30A fuse, self-resetting circuit breaker, and a 3/8" NPT fan switch (180°F On/165°F Off).
• Universal Design - Natural surface finish resists corrosion. Pre-wired harness simplifies installation. Compact, universal design ensures compatibility with most aftermarket or OEM fan setups.