SPAL Brushed Fan Thermo-Switches

In stock
Most items are build to order
Please allow up to 13 weeks to manufacture if out of stock. You can call us to check stock status.
Regular price $44.94
Select Temp Range

Part Number

  • SKU IX-185TS
  • Made in the USA – Hand-built in PWR’s state-of-the-art Indianapolis facility using premium aluminum, with full control over quality at every step.
  • Proven Cooling Performance – Advanced PWR tube and fin technology engineered for consistent, repeatable heat rejection.
  • Lightweight & Efficient – Designed to maximize cooling performance without unnecessary material or excess weight.
  • Motorsport-Inspired Engineering – Developed from decades of professional racing experience and real-world validation.
  • World-Class Precision TIG-Welded – Handcrafted for durability, reliability, and precise fitment down to the smallest detail.
  • Proudly American Made – Built right here in the USA, not imported or rebranded, ensuring true manufacturing oversight and accountability.
  • Built, Not Just Assembled – Engineered and manufactured in-house from core to final weld, not pieced together from off-the-shelf components.

SPAL Thermo Switches 

Features

  • Designed for reliable on/off fan control in electric cooling fan systems

  • 3/8″ NPT thread for easy installation in radiators, engine ports, or adapters

  • Available in multiple temperature ranges to suit different cooling strategies

  • 165–185°F

  • 175–195°F 

  • 165–185°F two-wire switch

  • Durable, high-quality construction for consistent switching performance

  • Compatible with SPAL fans, relays, and most aftermarket cooling systems

SPAL thermo switches provide a simple and dependable solution for controlling electric cooling fans based on coolant temperature. With precise temperature activation and a proven mechanical switching design, these switches help maintain stable operating temperatures without unnecessary fan cycling.

Available in multiple temperature ranges and wiring configurations, SPAL thermo switches allow you to tailor fan operation to your specific engine and cooling system needs. Whether you’re building a street car, performance vehicle, or demanding custom setup, these switches deliver reliable control and long-term durability trusted in high-performance cooling applications.