40 AMP Electric Fan Relay Kit Automotive Relay Thermostat Switch Kit for Radiators Fans Temperature Sensor Switch 185 On 175 Off, 12V Electric Cooling Radiator Fan Relay Switch Wiring Kit

★★★★☆ 4.0 43 reviews

US$10.11
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US$10.11
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Product details

Management number 237391412 Release Date 2026/07/10 List Price US$10.11 Model Number 237391412
Category
  • 𝟏𝟐𝐕 4𝟎𝐀 𝐄𝐋𝐄𝐂𝐓𝐑𝐈𝐂 𝐅𝐀𝐍 𝐓𝐇𝐄𝐑𝐌𝐎𝐒𝐓𝐀𝐓 𝐑𝐄𝐋𝐀𝐘 𝐊𝐈𝐓: This 12V 40 AMP electric fan relay wiring kit comes with a 3/8" NPT thermostat switch and an included 1/2" adapter. The temperature switch activates at 185°F and shuts off at 175°F. The relay features a waterproof construction, allowing reliable operation in all harsh underhood and outdoor conditions.
  • 𝐏𝐑𝐄𝐂𝐈𝐒𝐄 𝐓𝐄𝐌𝐏𝐄𝐑𝐀𝐓𝐔𝐑𝐄 𝐂𝐎𝐍𝐓𝐑𝐎𝐋: With a 185°F ON / 175°F OFF thermostat switch, this dual electric fan relay kit automatically activates the cooling fans based on temperature readings. Built with a 40 AMP relay, it maintains optimal engine operating temperature and effectively prevents engine overheating. This radiator fan control kit also saves power and helps extend engine service life
  • 𝐄𝐀𝐒𝐘 𝐈𝐍𝐒𝐓𝐀𝐋𝐋𝐀𝐓𝐈𝐎𝐍: This thermostat switch has a 3/8" pipe thread, and the kit includes all parts needed for electric fan installation. Just follow the included wiring diagram: connect the 𝐫𝐞𝐝 wire to the 12V DC positive battery terminal, 𝐛𝐫𝐨𝐰𝐧 to the fan positive, 𝐛𝐥𝐚𝐜𝐤 to ignition and 𝐠𝐫𝐞𝐲 to the temperature sending unit.
  • 𝐖𝐈𝐃𝐄 𝐄𝐍𝐆𝐈𝐍𝐄 𝐂𝐎𝐌𝐏𝐀𝐓𝐈𝐁𝐈𝐋𝐈𝐓𝐘: Fit most Rods and Classics Engines including GM (CHEVY, GMC, OLDS, CADILLAC, PONTIAC, BUICK, FORD, & MOPAR (CHRYSLER, DODGE, PLYMOUTH) , Please measure to make sure this is the right. Note: Thermostat of radiator fan switch must be grounded to the engine through the threads in order to function properly, and the engine itself must also be grounded.
  • 𝐂𝐎𝐌𝐏𝐀𝐓𝐈𝐁𝐈𝐋𝐈𝐓𝐘:The dual electric radiator fan relay kit fits 10,12,14,16 inch cooling fans. Fit for engines 265 283 305 307 327 350 383 400 396 402 427 454 472 502 260 289 302 351W 347 352 360 390 406 427 428 429 460 351C 351M 400M 273 318 340 360 361 383 400 413 426W 440 455 330 326 351M 400M 273 318 340 360 361 383 400 413 426W
  • 𝐍𝐎𝐓𝐄: No Printed Labels on Wires. However, we provide a clear, step-by-step English wiring diagram in the package, showing the color-coded connections for each wire (red, black, blue, yellow, grey) to the battery, ignition, fan, and temperature sensor. Please refer to the included instructions for installation guidance.

ASIN B0H148Q5SD
Model JXWH0512-40A
Brand Name PRUNkuar
Part Number WH0512-40A
Contact Type Normally Open
Manufacturer PRUNkuar
Mounting Type Plug In Mount
Connector Type Plug-In
Current Rating 40 Amps
Contact Material Copper
Specification Met OEM
Included Components Dual Electric Fan Relay Kit
Lower Temperature Rating 185 Degrees Fahrenheit

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