Compatible with Chevy: Fits for Silverado 1500 / 2500 pickup 1999-2006, fits for Silverado 3500 pickup 2001-2006, fits for Silverado 1500 2500 3500 pickup 2007 classic style (creased dr skin), fits for Escalade 2002-2006, fits for Escalade EXT 2002-2006 / ESV 2003-2006, fits for Avalanche 1500 / 2500 2002-2006, fits for Suburban 1500 / 2500 2000-2006, fits for Tahoe 2001-2006, fits for Tahoe 2000 Silverado style Compatible with GMC: Fits for Sierra 1500 / 2500 pickup 1999-2006, fits for Sierra 3500 pickup 2001-2006, fits for Sierra 1500 2500 3500 pickup 2007 classic style (creased dr skin), fits for Sierra Denali 2002-2006, fits for Sierra Denali 2007 classic style (creased dr skin), fits for Yukon 2001-2006, fits for Yukon XL 1500 / 2500 2000-2006, fits for Yukon 2000 EXC. Denali Replace Part Number: 674-00923, dual speed electric fan control harness is an independent fan harness, only for gasoline engines, only suitable for 34-inch wide radiators, if your vehicle has radiators of different widths, please upgrade the radiator Optimize Cooling Efficiency: Maintain the ideal operating temperature of the vehicle engine by controlling the speed of the electric radiator fan to ensure that the engine remains within a safe temperature range. Improved engine performance, fuel efficiency and overall vehicle reliability Professional Manufacturing: Made of high-quality plastic and copper wire, it has good contact, good conductivity and durability, ensuring reliable circuit transmission and operation. Can withstand pressure and high temperature, stable performance and long service life This product is an electric fan control harness designed specifically fits for Chevy and GMC series vehicles. It boasts extensive compatibility, covering various model years, including compatible with Silverado Sierra Escalade Avalanche Suburban Tahoe Yukon and more. The product's replacement part number is 674-00923 and is designed for gasoline engines, specifically fitting 34-inch wide radiators.

The primary purpose of this electric fan control harness is to optimize the vehicle's cooling efficiency. It achieves this by controlling the speed of the electric radiator fan, ensuring that the engine maintains its ideal operating temperature, thus keeping the engine within a safe temperature range. This not only enhances engine performance but also improves fuel efficiency and the overall reliability of the vehicle.

Crafted from high-quality plastic and copper wire, the product offers excellent contact, conductivity, and durability. It can withstand high temperatures and pressure, ensuring stable performance and a long service life.

Whether you're looking for a replacement part or seeking to enhance your vehicle's cooling efficiency, this electric fan control harness is an excellent choice. It provides extensive compatibility, utilizing high-quality materials to guarantee reliability and durability. It is a crucial component that can improve your vehicle's performance.