--- product_id: 369383075 title: "Dual Electric Fan Relay Kit - Radiator Thermostat Temperature Sensor Switch 185 On 175 Off, Automotive 40 AMP Cooling Switch, 4 Pin Wiring Kit" brand: "zozomotors" price: "€ 81.87" currency: EUR in_stock: true reviews_count: 5 category: "Zozomotors" url: https://www.desertcart.hr/products/369383075-dual-electric-fan-relay-kit-radiator-thermostat-temperature-sensor-switch store_origin: HR region: Croatia --- # 40A high-current relay Universal fit for 10-16 inch fans 185°F ON / 175°F OFF temp switch Dual Electric Fan Relay Kit - Radiator Thermostat Temperature Sensor Switch 185 On 175 Off, Automotive 40 AMP Cooling Switch, 4 Pin Wiring Kit **Brand:** zozomotors **Price:** € 81.87 **Availability:** ✅ In Stock ## Summary > 🌬️ Keep your engine chill and your ride cool—because overheating is so last season! ## Quick Answers - **What is this?** Dual Electric Fan Relay Kit - Radiator Thermostat Temperature Sensor Switch 185 On 175 Off, Automotive 40 AMP Cooling Switch, 4 Pin Wiring Kit by zozomotors - **How much does it cost?** € 81.87 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/369383075-dual-electric-fan-relay-kit-radiator-thermostat-temperature-sensor-switch) ## Best For - zozomotors enthusiasts ## Why This Product - Trusted zozomotors brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Universal Compatibility:** Fits 10, 12, 14, and 16 inch fans with OE-style thermostat for versatile mounting. - • **Complete Plug & Play Kit:** Includes relays, wiring harness, fuses, adapters & connectors—everything you need in one box. - • **Precision Thermal Control:** Automatically powers fans ON at 185°F and OFF at 175°F for optimal engine cooling. - • **Heavy-Duty 40 Amp Capacity:** Handles high current loads safely, perfect for dual electric fan setups. - • **Effortless Pro-Level Installation:** Color-coded wiring & clear diagram make setup a breeze—no electrician needed. ## Overview The ZOZOMOTORS Dual Electric Fan Relay Kit is a robust 12V 40A cooling switch system designed for automotive dual fan setups. Featuring a precision temperature sensor that activates fans at 185°F and deactivates at 175°F, this universal-fit kit supports 10-16 inch fans and includes all necessary wiring, relays, fuses, and adapters for a seamless, professional-grade installation. ## Description 40A Dual fan relay kit with color-coded wires for easy installation (wiring diagram included in the package). Direct replacement part, fits 10, 12, 14, and 16 inch fans. Specifications: 100% Brand NewVoltage: 12VDC Approximately 185'F On - 175'F Off relay wiring kits Thread Size: the temperature sensor has a 3/8'' pipe thread, and a 1/2'' adapter includedHow to use:Connect the color-coded wires per the diagram (product image 2) and notes below: RED - to +12VDC COFFEE - to Fan Positive BLACK - to Ignition GREY - to Sending Unit The thermostat supplied with this kit is OE style to mount in the cylinder head of the engine or any water jacket if needed. Do not use thread tape on the sensor it may cause poor electrical contact or incorrect temperature readings. Please note: If you intend to mount high-profile cooling fans, you could crimp or solder bigger wires to it. The 14AWG wires (15 amps) are not bigger enough for high amps draw 12 Gauge - 20 Amps 10 Gauge - 30 Amps 8 Gauge - 40 Amps Package Included:1x Wiring Diagram 2x 40A Relay with Wiring Harness 1x 185'F On - 175'F Off Temperature Switch 1x 3/8" Thread-In Probe 1x 3/8" to 1/2" Adapter 2x Inline Fuse Holder 2x 20 amp Fuse 8 Ring Terminals 4 Fan Pigtail Connectors Review: Buen producto - Un relevador no funcionó,es fácil de instalar Review: Nice product - Nice and clean setup works good ## Features - Easy to follow wiring diagram simplify wiring your dual electric fans. RED to 12VDC Positive Battery Terminal, COFFEE to Fan Positive, BLACK to Ignition, GREY to Sending Unit per wiring diagram. Direct replacement part fits 10, 12, 14, and 16 inch cooling fans - Temperature switch turns on fan approximately at 185 Degrees and Off at 175 Degrees. The temp sensor has a 3/8 inch pipe thread, and a 1/2 inch adapter included - This electric cooling fan thermostat kit comes with everything you need, includes 40A waterproof relay, wiring harness, temperature switch, 3/8 inch to 1/2 inch adapter, inline fuse holder, 2 20amp fuse, 8 ring terminals and 4 fan pigtail connectors - The thermostat supplied with this kit is OE style to mount in the cylinder head of the engine or any water jacket if needed - If you intend to mount high-profile fans, you could crimp or solder bigger wires to it. The 14AWG wires (15 amps) are not bigger enough for high amps draw.Fit type: Universal.Part number: JDQ2DG ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B098X63RRS | | Best Sellers Rank | #27,698 in Automotive ( See Top 100 in Automotive ) #3 in Automotive Engine Radiator Cooling Fan Motor Relays | | Brand | ZOZOMOTORS | | Brand Name | ZOZOMOTORS | | Coil Voltage | 12 Volts (DC) | | Connector Type | Crimp | | Connector type | Crimp | | Contact Current Rating | 40 Amps | | Contact Material | Silver, Copper, Or Alloy | | Contact Type | Normally Open | | Contact material | Silver , Copper , Or Alloy | | Contact type | Normally Open | | Current Rating | 40 Amps | | Current rating | 40 Amps | | Customer Reviews | 4.5 out of 5 stars 508 Reviews | | Item Weight | 8.11 Ounces | | Lower Temperature Rating | 185 Degrees Fahrenheit | | Manufacturer | ZOZOMOTORS | | Maximum Switching Current | 40 Amps | | Maximum Switching Voltage | 12 Volts | | Minimum Switching Voltage | 12 Volts (DC) | | Model | JDQ2DG | | Mounting Type | Panel Mount | | Mounting type | Panel Mount | | Operation Mode | Automatic | | Part Number | JDQ2DG | | Specification Met | OE | | Unit Count | 1 Count | | Wattage | 480 watts | ## Product Details - **Connector type:** Crimp - **Contact material:** Silver, Copper, Or Alloy - **Contact type:** Normally Open - **Current rating:** 40 Amps - **Mounting type:** Panel Mount ## Images ![Dual Electric Fan Relay Kit - Radiator Thermostat Temperature Sensor Switch 185 On 175 Off, Automotive 40 AMP Cooling Switch, 4 Pin Wiring Kit - Image 1](https://m.media-amazon.com/images/I/81CHVUaPxQL.jpg) ## Customer Reviews ### ⭐⭐⭐ Buen producto *by J***Z on 27 July 2022* Un relevador no funcionó,es fácil de instalar ### ⭐⭐⭐⭐⭐ Nice product *by C***O on 8 January 2026* Nice and clean setup works good ### ⭐⭐⭐⭐⭐ Works very well would you recommend *by S***Z on 7 January 2025* As long as you follow, the instructions included this product is the easiest thing I’ve ever installed. I’m pretty sure a child could do it. ## Frequently Bought Together - ZOZOMOTORS Dual Electric Fan Relay Kit Radiator Electric Cooling Fan Thermostat Kit Temperature Sensor Switch 185 On 175 Off, 40 AMP Waterproof Relay Kit - Fan Mounting Kit, Mellbree 2-Pack Electric Radiator Fan Mounting Kit Compatible for Electric Cooling Fan and Transmission Cooler - 2 Pack!! Save $$ - SPAL 30101522 12" Fan Puller Curved Blades 12 Volt High-Performance 1226 cfm VA10-AP50/C-61A --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/369383075-dual-electric-fan-relay-kit-radiator-thermostat-temperature-sensor-switch](https://www.desertcart.hr/products/369383075-dual-electric-fan-relay-kit-radiator-thermostat-temperature-sensor-switch) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-09-30*