Description
Product Overview
The QuickCar Racing 40A Silver Relay Kit is engineered for high‑performance automotive applications where precise temperature control is critical. Featuring a silver‑plated contact material and a normally open configuration, the relay handles up to 40 amps of continuous current, ensuring reliable operation of cooling fans. The kit includes a 200°F activation fan controller and a 3/8 in NPT temperature sensor, all housed in a robust machined exterior. Dimensions are 8.15 x 7.5 x 1.5 inches, and the unit weighs just 11.7 ounces, making it easy to install in tight engine bays.
![[Product front view showing all components]](https://www.nimbusfinds.store/wp-content/uploads/2026/06/891ae896aef94b7f9c1a8a71410074c2.jpg)
Usage
This relay kit is ideal for race cars, high‑performance street vehicles, and any application that demands accurate fan activation to prevent overheating. Install the temperature sensor in the intake manifold or radiator housing, connect the relay to the fan circuit, and set the controller to engage the fan at 200°F. The electric operation provides instant response, making it perfect for track days, hot‑climate driving, and heavy‑load towing situations.
Why Choose Us
QuickCar Racing Products is known for rigorous testing and automotive‑grade quality. Each relay undergoes a 10,000‑cycle durability test, and the silver contacts are plated to resist corrosion and maintain low resistance over time. Our kits are vehicle‑specific, ensuring a perfect fit and eliminating the need for custom modifications. Backed by a comprehensive warranty and responsive technical support, QuickCar delivers confidence on and off the track.
Key Features
- High‑current 40A capacity ensures reliable fan operation under extreme conditions
- Silver‑plated contacts provide low resistance and long‑term durability
- 200°F activation threshold delivers precise temperature control for engine protection
- Compact machined housing fits easily in tight engine compartments
- Dedicated customer support and warranty for peace of mind
FAQ
What type of fan can I use with this relay?
Any electric cooling fan rated for 12V or 24V that draws less than 40 amps can be connected to the relay.
Is the temperature sensor compatible with all engine types?
The 3/8 in NPT sensor is standard for most gasoline and diesel engines. For unique applications, consult the installation guide or contact support.
How do I set the activation temperature?
The controller is preset to 200°F, but it can be adjusted using the included dial to suit your specific cooling requirements.
Can this kit be used in a street vehicle?
Yes, the kit is designed for both race and street use, providing reliable fan control for everyday driving and high‑performance scenarios.
What warranty does QuickCar offer?
QuickCar provides a one‑year limited warranty covering defects in materials and workmanship, plus lifetime technical assistance.
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