Standard Ignition TS-451 Engine Cooling Fan Switch

Reliable Engine Cooling Fan Switch for Mercedes-Benz and Nissan Models

The Standard Ignition TS-451 Engine Cooling Fan Switch is designed to maintain optimal engine temperature by controlling the cooling fan operation. Compatible with select Mercedes-Benz and Nissan vehicles, this screw-on switch offers precise toggle actuation and durable metal housing for long-lasting performance.

• Screw-on attachment method for secure installation
• Metal housing with gold finish for corrosion resistance
• Single male round connector with pin and bullet terminal type
• Thread size of 14mm x 1.50 for proper fitment
• Operates at 12 volts with toggle switch actuation style
• Compact dimensions: 0.78 inches (19.812 mm) width
• Open at idle to ensure efficient cooling fan control

Technical Details and Compatibility

The TS-451 Engine Cooling Fan Switch from Standard Ignition features a robust metal housing finished in gold, providing durability and resistance to environmental factors. It includes a single male connector with a round shape and pin/bullet terminal type, ensuring reliable electrical connection. The switch mounts via a screw-on method with a 14mm x 1.50 thread size, making it compatible with specific Mercedes-Benz models such as 190E, 300D, 300SD, 300TD, 380SE, 380SEC, 380SEL, 380SL, 500SEC, and 500SEL, as well as Nissan Maxima vehicles. This switch operates at 12 volts and uses a toggle actuation style, opening at idle to regulate the engine cooling fan effectively.

Common Applications and Problem Resolution

• Regulates engine temperature by activating the cooling fan
• Prevents engine overheating during idle and driving conditions
• Replaces faulty or worn cooling fan switches in Mercedes-Benz 300SD and Nissan Maxima
• Ensures proper fan operation to avoid engine performance issues
• Addresses intermittent fan operation or failure to engage

Installation Notes and Tips

Installation of the Standard Ignition TS-451 switch requires removal of the old switch and screwing in the new unit using the 14mm x 1.50 thread. Ensure the engine is cool before installation to avoid injury. The switch does not include hardware or wiring harness, so verify connector compatibility with your vehicle’s wiring. Confirm the male round connector aligns with the existing fan wiring harness for a secure connection. No bulb is included, so check your vehicle’s cooling fan system for bulb requirements separately.

Quality Assurance and Warranty Information

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and fitment. The TS-451 Engine Cooling Fan Switch undergoes rigorous quality control to provide consistent operation in demanding automotive environments. Warranty coverage details should be confirmed with the product documentation or supplier, as it may vary by region or distributor.