Vemo V25-99-1702 Engine Cooling Fan Switch

Overview of the Vemo Engine Cooling Fan Switch

The Vemo VEMO Engine Cooling Fan Switch (Part Number V25-99-1702) is designed for precise temperature control in Land Rover vehicles. Engineered to activate the cooling fan at specific temperature points, this switch ensures optimal engine performance and prevents overheating in models such as the Defender 90, Defender 110, Discovery, and Range Rover.

• Switch point activation between 93°C and 102°C
• Thread size M22x1.5 for secure installation
• Compact dimensions: 42mm length, 31mm width, 29mm height
• Spanner size 29mm for easy fitting
• Lightweight design at 0.064 kg

Technical Specifications and Product Line Details

This engine cooling fan switch belongs to the VEMO product line, known for its focus on reliable and precise automotive electrical components. The VEMO line emphasizes durability and exact fitment, making it suitable for critical engine cooling applications. The V25-99-1702 switch features a switch point set at 102°C, with activation starting from 93°C, ensuring the cooling fan engages promptly to maintain engine temperature within safe limits.

Detailed Product Description

The Vemo V25-99-1702 engine cooling fan switch is designed with a thread size of M22x1.5, allowing it to be securely mounted in the cooling system of Land Rover vehicles. Its compact size (42mm length, 31mm width, and 29mm height) and lightweight construction (0.064 kg) facilitate straightforward installation without adding unnecessary bulk. The switch point temperature range from 93°C to 102°C ensures the cooling fan activates at the correct engine temperature, preventing overheating and maintaining efficient engine operation.

Applications and Problem Solving

• Prevents engine overheating by activating the cooling fan at precise temperatures
• Ensures consistent engine temperature regulation in Land Rover Defender 90 and 110 models
• Maintains optimal cooling performance in Land Rover Discovery and Range Rover vehicles
• Replaces faulty or worn engine cooling fan switches to restore proper fan operation
• Helps avoid engine damage caused by inadequate cooling system response

Installation Notes and Tips

• Use a 29mm spanner for proper tightening of the M22x1.5 threaded switch
• Ensure the engine is cool before removing the old switch to avoid burns or injury
• Check for coolant leaks after installation to confirm a secure fit
• Verify electrical connections are clean and secure for reliable switch operation

Quality Assurance and Warranty

The Vemo VEMO engine cooling fan switch is manufactured to meet OEM standards for fit and function. While specific warranty details are not provided, Vemo products typically undergo rigorous quality control to ensure durability and reliable performance in demanding automotive environments. This part is engineered to maintain consistent operation within the specified temperature range, supporting the longevity of your Land Rover's cooling system.