Four Seasons 20019 Engine Cooling Fan Switch

Reliable Engine Cooling Fan Switch for Chevrolet and GMC Vehicles

The Four Seasons Temperature Switch 20019 is engineered to maintain optimal engine temperature by controlling the cooling fan operation. Designed specifically for Chevrolet and GMC models like the C1500, K2500, and Savana 3500, this engine cooling fan switch ensures precise fan activation and deactivation based on temperature thresholds.

• Compatible with Chevrolet and GMC trucks and vans including C1500, C2500, K2500 Suburban, and Savana 3500
• Temperature activation range: turns on at 234°F and off at 211°F
• Engine-mounted design with 1/8 inch pipe fitting thread (13/32 x 27)
• Single terminal with female connector, available in black with oval and rectangular shapes
• Meets or exceeds OEM specifications for reliable performance

About the Four Seasons Temperature Switch Product Line

The Temperature Switch line by Four Seasons focuses on precision temperature control components for engine cooling systems. This product line includes switches designed to activate cooling fans at specific temperature points, helping to prevent engine overheating and maintain efficient operation. The 20019 switch is part of this line, offering dependable temperature-based fan control for select Chevrolet and GMC vehicles.

Detailed Product Description

The Four Seasons 20019 engine cooling fan switch is designed to open the fan circuit at 211°F and close it at 234°F, providing accurate temperature regulation. It features a single female terminal with a black connector available in both oval and rectangular shapes to fit various wiring harnesses. The switch mounts directly on the engine using a 1/8 inch pipe thread, ensuring secure installation. This part is compatible with a range of Chevrolet and GMC trucks and vans, including the C2500 Suburban, K3500, and P3500 models, making it a versatile replacement option.

Common Applications and Issues Addressed

• Prevents engine overheating by activating the cooling fan at the correct temperature
• Resolves cooling fan failure due to faulty temperature switch
• Eliminates erratic fan operation caused by worn or damaged switches
• Restores proper engine temperature regulation in Chevrolet and GMC trucks
• Improves overall engine cooling system reliability

Installation Notes and Tips

• Ensure the engine is cool before removing the old switch to avoid burns
• Use appropriate thread sealant on the 1/8 inch pipe fitting to prevent leaks
• Verify connector shape (oval or rectangular) matches vehicle wiring harness
• Check that the single female terminal is properly connected for secure electrical contact
• Test fan operation after installation to confirm correct temperature activation

Quality Assurance and Warranty

The Four Seasons Temperature Switch 20019 meets or exceeds OEM standards for fit, form, and function. Manufactured with quality materials and tested for durability, this switch provides reliable engine cooling fan control. While specific warranty details are not provided, Four Seasons products typically come with a limited warranty covering defects in material and workmanship.