Description
Product Overview
The RADREPLA Radiator Fan Relay is an automatic switching device designed for automotive cooling systems. Rated for 30 A and 40 A operation, it features a 12 V coil and a compact 8.66 × 6.3 × 1.97 in package. Constructed with high‑grade contacts and a durable housing, it ensures long‑term reliability in harsh engine environments. The relay includes pins 85, 86 for coil activation and pins 30, 87/87a for power routing, enabling precise fan control.
Usage
This relay is ideal for vehicles requiring reliable radiator fan operation, including cars, trucks, and SUVs. It supports both single‑fan and dual‑fan configurations, making it suitable for performance upgrades or standard replacements. Professional mechanics, weekend hobbyists, and DIY enthusiasts will appreciate the straightforward wiring kit that eliminates guesswork during installation. 
Why Choose Us
RADREPLA combines engineering expertise with premium materials to deliver a relay that resists corrosion, heat, and vibration. Each unit undergoes rigorous testing to meet automotive standards, guaranteeing consistent switching performance. Our commitment to quality ensures the relay operates flawlessly from the first mile to the hundred‑thousandth, reducing the risk of overheating failures.
Key Features
- Automatic 30 A/40 A switching for reliable fan control
- 12 V coil compatible with standard automotive circuits
- Dual‑fan wiring kit simplifies single or dual fan installations
- High‑grade contacts and robust housing for long‑term durability
- Compact dimensions fit existing relay slots without modification
FAQ
What vehicles are compatible with this relay?
The relay fits any vehicle that uses a standard 4‑pin automotive relay socket and requires 12 V coil operation, making it suitable for most cars, trucks, and SUVs.
Can I use this relay for a dual‑fan setup?
Yes, the included wiring kit supports both single and dual fan configurations, allowing you to control two cooling fans from one relay.
How do I wire the relay correctly?
Connect pins 85 and 86 to a negative and positive power source respectively to energize the coil. Pin 30 receives the power source for the fan, and pin 87 (or 87a) delivers power to the fan when the relay is activated.
Is this relay waterproof?
While the relay housing is sealed against moisture and dust, it should be installed in a location protected from direct water spray.
What is the warranty period?
RADREPLA offers a one‑year limited warranty covering manufacturing defects and premature failure under normal operating conditions.
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