Electric Fan Inline Thermostat, Fits VW Bug, Street Rod, Rat Rod, Buggy, EMPI 33-5721

Product Description

EMPI 33-5721-0 – Inline Electric Fan Thermostat Switch

This 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

Key Features:

• 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

Notes:

• Installation Tip: Use PTFE tape or thread sealant to prevent leaks
• Wiring: Use to trigger a relay — not for direct fan power