What is the main purpose of the Derale 16749 Adjustable Fan Controller?

The Derale 16749 Adjustable Fan Controller is designed to enable you to control the operation of your electric cooling fan in vehicles or other applications. It allows you to manually adjust the fan speed based on your cooling needs, ensuring optimal performance and efficiency. This is especially useful in scenarios where temperature regulation is crucial, such as in heavy-duty vehicles or modified cars where engine overheating can lead to serious issues.

Is the Derale 16749 Adjustable Fan Controller compatible with all vehicles?

The Derale 16749 Adjustable Fan Controller is broadly compatible with various electric fan setups in most vehicles. However, it is essential to check your specific fan model and electrical system requirements to ensure full functionality. This versatility makes it a great choice for hot rods, classic cars, or trucks that need better cooling management, allowing for flexibility in your fan control options.

How do I install the Derale 16749 Adjustable Fan Controller?

Installation of the Derale 16749 Adjustable Fan Controller involves connecting it to your vehicle's battery, electric fan, and temperature sensor. The detailed instructions included with the product guide you through each step with clarity. For users who may not be familiar with automotive wiring, consulting a professional may be beneficial to ensure proper hookup and functionality, keeping your cooling system in top shape during operation.

Can I adjust the fan speed with the Derale 16749 controller?

Yes, the Derale 16749 Adjustable Fan Controller allows for precise adjustments of the fan speed. This feature lets you optimize cooling based on real-time temperature needs, giving you complete control over your vehicle's performance under various conditions, such as towing or driving in extreme heat, which enhances both comfort and engine lifespan.

What type of temperature sensor does the Derale 16749 use?

The Derale 16749 Adjustable Fan Controller typically utilizes a thermistor temperature sensor. This sensor accurately measures the engine or ambient temperature to trigger the fan at the appropriate levels. This ensures that your engine stays cool during operation, which is critical for preventing overheating problems during long drives or under heavy loads, thereby promoting the vehicle's longevity.

Does the Derale 16749 controller feature a manual override?

Yes, the Derale 16749 Adjustable Fan Controller includes a manual override feature, allowing users to switch the fan on or off as needed. This is particularly useful in situations where temperature spikes unexpectedly occur, giving you the ability to respond swiftly, ensuring optimal engine cooling during critical moments, such as when stuck in traffic on hot days.

What are the benefits of using the Derale 16749 controller over a standard fan switch?

Using the Derale 16749 Adjustable Fan Controller provides enhanced control and flexibility compared to standard fan switches, which often only offer an on/off function. This controller allows for speed adjustments, optimizing fan performance and energy consumption. It significantly helps in situations demanding variable cooling, such as when racing or driving on hilly terrains, contributing to improved engine efficiency and performance.

Is there a specific setup required for the temperature sensor with the Derale 16749?

Yes, the temperature sensor needs to be installed in a location where it can accurately monitor the engine temperature. Generally, it's best to mount it in the engine bay or on the radiator. Proper placement ensures that the fan activates at the right temperature, effectively preventing overheating. Users should refer to the installation guide for optimal sensor placement tips for maximizing cooling efficiency in their vehicle.

Where can I buy Derale 16749 Adjustable Fan Controller, Black in Peru?

You can purchase the Derale 16749 Adjustable Fan Controller, Black from Ubuy. They offer a variety of automotive accessories, ensuring you're able to find the product you need with ease and convenience.

¿Cómo comprar Derale 16749 Adjustable Fan Controller,Black en línea desde Ubuy?

Es fácil comprar Derale 16749 Adjustable Fan Controller,Black en línea desde Ubuy.. Solo tiene que buscar el producto, elegir su método de envío al pagar y recibirlo en su ubicación.

¿Está Derale 16749 Adjustable Fan Controller,Black disponible para comprar en línea en Peru?

Sí, en Ubuy Peru, este producto está disponible para que lo compre a un precio razonable.. El Derale 16749 Adjustable Fan Controller,Black no está disponible localmente, pero puede confiar en nosotros con nuestros servicios de envío exprés.

¿Cuánto tiempo se tarda en obtener el producto después de realizar el pedido?

El tiempo de entrega de su producto pedido varía según lo que haya pedido y el método de envío que haya elegido.. El tiempo de entrega estimado se menciona durante el proceso de pago, así que no se preocupe mientras compra.

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Derale 16749 Adjustable Fan Controller,Black

Newly redesigned adjustable electric fan thermostat kit to activate up to 2 fans with a total maximum draw of 25 amps.

Derale

Nº de artículo: 2013440

Derale 16749 Adjustable Fan Controller,Black

90% of respondents would recommend this to a friend

Nº de artículo: 2013440

PEN 490

Price Details

Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )

^{*All items will import from Estados Unidos}

Disponibilidad : En stock

Importado de la tienda USA

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What Stands Out

Temperature Control

The Derale 16749 features adjustable temperature settings, allowing users to maintain optimal cooling for their vehicle, enhancing performance while preventing overheating.

Easy Installation

Designed for simple installation, this fan controller easily integrates with existing systems, making it a user-friendly solution for both amateurs and professional mechanics.

Durable Design

Built with high-quality materials, the Derale 16749 ensures longevity and reliability even under extreme conditions, providing excellent value and peace of mind for buyers.

Detalles de producto

Adjustable turn-on temperature range: 150-240°F
Turn-off temperature preset at 10°F below turn-on
3/8 inch NPT thread-in probe included
40/60 amp heavy duty relay
Activates up to 2 fans with max 25 amp draw
Includes A/C override circuit and relay wire harness for easy installation

Product Technical Details

Manufacturer	‎Derale
Brand	‎Derale
Model	‎Adjustable Fan Control Thrmostat(3/8"NPT)
Item Weight	‎1.92 ounces
Product Dimensions	‎10 x 10 x 10 inches
Item model number	‎16749
Exterior	‎Per Item Description
Manufacturer Part Number	‎16749
OEM Part Number	‎16749
Mirror Adjustment	‎Button Control
Voltage	‎230 volts

What's in the box

Per Item Description

Who Should Buy?

Car Enthusiasts
Ideal for those looking to control electric fans in their modified or upgraded vehicles effectively.
DIY Mechanics
Perfect for individuals who like to customize their cooling systems with adjustable controls for better performance.
Heat Management Needs
Great option for users needing to optimize cooling in race cars or high-performance vehicles for improved temperature control.

Basic Users
Not suitable for individuals who prefer simple, plug-and-play fan setups without adjustable features.

DESCRIPCIÓN DEL PRODUCTO

About This Item

Upgrade your cooling system with the Derale 16749 Adjustable Fan Controller. This fan controller is perfect for those looking to take control of their cooling system and ensure optimal performance. With a newly redesigned design, this adjustable electric fan thermostat kit is designed to activate up to 2 fans with a total maximum draw of 25 amps. This means that you can trust it to handle your cooling needs with ease. The kit includes a water jacket 3/8 inch NPT thread-in probe, relay wire harness, and electrical connectors for a hassle-free installation.

You won't have to waste time searching for additional components - everything you need is included. One of the standout features of this fan controller is the A/C override circuit. This means that even when your air conditioning is on, the fans will still be able to run effectively. This ensures that your engine stays cool, no matter the circumstances. The adjustable fan controller has a turn-on range from 150 degrees Fahrenheit to 240 degrees Fahrenheit.

You can customize the settings to suit your specific cooling needs. Additionally, the turn-off preset is 10 degrees Fahrenheit lower than the turn-on temperature. This ensures that your fans will cycle on and off as needed, maintaining the ideal temperature for your engine. Whether you're upgrading your current fan controller or looking to install one for the first time, the Derale 16749 Adjustable Fan Controller is a top choice.

It delivers reliable performance and easy installation, making it a great option for automotive enthusiasts of all levels. Don't settle for subpar cooling - upgrade to the Derale 16749 Adjustable Fan Controller today and experience the difference for yourself!.

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Preguntas y respuestas de los clientes

Pregunta: ¿Cómo comprar Derale 16749 Adjustable Fan Controller,Black en línea desde Ubuy?

Respuesta: Es fácil comprar Derale 16749 Adjustable Fan Controller,Black en línea desde Ubuy.. Solo tiene que buscar el producto, elegir su método de envío al pagar y recibirlo en su ubicación.
Pregunta: ¿Está Derale 16749 Adjustable Fan Controller,Black disponible para comprar en línea en Peru?

Respuesta: Sí, en Ubuy Peru, este producto está disponible para que lo compre a un precio razonable.. El Derale 16749 Adjustable Fan Controller,Black no está disponible localmente, pero puede confiar en nosotros con nuestros servicios de envío exprés.
Pregunta: ¿Cuánto tiempo se tarda en obtener el producto después de realizar el pedido?

Respuesta: El tiempo de entrega de su producto pedido varía según lo que haya pedido y el método de envío que haya elegido.. El tiempo de entrega estimado se menciona durante el proceso de pago, así que no se preocupe mientras compra.

Derale Electric Controls ‎16749 Editorial Review

Derale 16749 Adjustable Fan Controller offers flexibility for automotive cooling systems, designed to fit seamlessly with various setups. Reviewers highlight its ease of installation, allowing for straightforward integration into vehicles such as the Jeep TJ. While this controller suits single or dual fans, some users noted that it lacks a fitting/adaptor for the temperature gauge wire, which could complicate installation for those needing precise monitoring. However, many appreciate the adjustable temperature settings, ensuring the fan activates at the desired temperature, which enhances engine cooling performance. Overall, the Derale fan controller has received positive feedback for its functionality despite minor concerns about connector quality and longevity in rough conditions.

Customer Reviews & Ratings

4.3

144 valoraciones de los clientes

5 estrella

73%
4 estrella

7%
3 estrella

8%
2 estrella

2%
1 estrella

10%

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ventajas

Easy to wire and connect directly to vehicles
Adjustable temperature settings for fan operation
Compatible with single and dual fan setups
Works effectively for various automotive applications
Clean wiring and installation process

Contras

Connector quality could be improved for durability

Platform Trust & Buyer Confidence

4.2/5 9704 reviews

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“Great products and very good service: very easy and very fast international delivery.”

9 September 2026 · via Trustpilot

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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”

10 September 2026 · via Trustpilot

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“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”

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“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”

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“Easy to find and order what you want on the website. Delivery is quick to the UK”

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Información importante

Limitaciones: Para los productos enviados al extranjero, ten en cuenta que cualquier garantía del fabricante puede no ser válida; las opciones de servicio del fabricante pueden no estar disponibles; los manuales del producto, las instrucciones y las advertencias de seguridad pueden no estar en los idiomas del país de destino; los productos (y los materiales que los acompañan) pueden no estar diseñados de acuerdo con las normas, especificaciones y requisitos de etiquetado del país de destino; y los productos pueden no ajustarse al voltaje del país de destino y a otras normas eléctricas (lo que requiere el uso de un adaptador o convertidor, si procede). El destinatario es responsable de asegurarse de que el producto puede ser importado legalmente al país de destino. Cuando hagas un pedido a Ubuy o a sus filiales, el destinatario es el importador registrado y debe cumplir todas las leyes y normativas del país de destino.
No todos los productos que aparecen en Ubuy están a la venta, ya que Ubuy es un motor de búsqueda a nivel mundial. Los productos están sujetos a las normas de exportación/comercio.

PEN 490

Haz tu pedido ahora y recíbelo por ahí Sunday, Octubre 25

QTY:

Solo quedan 13 artículos en stock.

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características y beneficios

Includes 3/8 inch NPT probe, relay wire harness and electrical connectors for easy installation.
A/C override circuit included.
Adjustable fan controller turn-on range from 150°F - 240°F.
Turn-off preset at 10°F lower than turn-on.

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Derale 16749 Adjustable Fan Controller,Black