Product Description
EMPI 33-5721-0 – Inline Electric Fan Thermostat SwitchThis inline thermostat switch automates cooling fan operation in custom air-cooled VW setups. It’s a reliable upgrade for anyone running an external oil cooler or electric fan system.
Product Overview:
- Part Name: Inline Cooler Thermostat Kit
- Activation Temp: 180°F (automatically activates fan)
- Threading: -8AN male (one end), 1/2" NPT female (opposite end)
- Fittings: Includes hose barb adapters for 1/2" ID hose
- Material: Aluminum housing with brass sensor
- Sold As: Each
- Activates oil cooler fan at 180°F — no manual switch required
- In-line installation with 1/2" hose — quick and simple setup
- Ideal for air-cooled VW engines, dune buggies, sand rails, and street rods
- Compact housing fits tight engine compartments
- Helps prevent overheating and prolongs engine life
- Installation Tip: Use PTFE tape or thread sealant to prevent leaks
- Wiring: Use to trigger a relay — not for direct fan power