
MAHLE Thermostat TSW48D - Radiator Fan Switch for VW Golf III-IV | 3-Pole, M22x1.5
In stock, ready to ship
In stock now — leaves the warehouse in 1–2 business days
Fitment
Listed for Golf
Check this part against your vehicle
Options come from the vehicles named on the parts we stock.
Product details
Keep Your Engine Running Smoothly! The MAHLE Thermostat TSW48D is a high-performance radiator fan switch designed specifically for VW Golf III-IV models, ensuring optimal engine temperature control.
Key Benefits:
- Compatible with Volkswagen Golf III and IV models.
- Maintains proper coolant temperature to prevent overheating.
- Easy installation with M22x1.5 threaded size.
- Durable design with a 3-pole socket for reliable operation.
Technical Specifications:
- Thread Size: M22x1.5
- Socket Contacts: 3-Pole
- Tightening Torque: 35 Nm
- Opening Points: 95°C and 102°C
- Closing Points: 84°C and 91°C
- Dimensions (L x W x H): 3.7 cm x 3.5 cm x 7.2 cm
- Net Weight: 0.057 kg (approximately 0.13 lb)
How to Use: To install, simply connect the MAHLE thermostat switch to your engine’s wiring and ensure a snug fit using the provided torque specifications.
Checking fitment
Match the part number above against the part you are replacing, or check the models and engines named on this page against your vehicle. If the number matches, the part matches.
Shipping
Orders leave the warehouse in 1–2 business days. Free shipping on every US order.
Returns & warranty
30 days to return an unused part in its original packaging. Manufacturer warranty of 12 months against defects.









