Radiator Fan Clutch TOPRAN 500 403

Compatible with BMW 3 (E36) , BMW 3 Coupe (E36) , BMW 5 (E34) Show more info
Ensures optimal engine cooling by engaging the radiator fan when needed. A crucial component for preventing overheating.
37.16 EUR
inc. VAT 21%
In stock 6
Delivery 1 day (15.05.2026)
PN 500 403
Make TOPRAN

The TOPRAN Radiator Fan Clutch, part number 500 403, is designed to regulate the speed of your vehicle's radiator fan. It automatically engages the fan at higher engine temperatures and disengages it when the temperature drops, optimizing cooling efficiency and reducing unnecessary fan noise and power draw. This fan clutch is engineered for reliable performance and durability, ensuring your engine stays within its optimal operating temperature range under various driving conditions. Proper functioning of the fan clutch is essential for preventing engine overheating, which can lead to significant mechanical damage. Installation of the TOPRAN 500 403 is straightforward for mechanics familiar with cooling system components. Maintaining a healthy cooling system is vital for the longevity and performance of your vehicle. This fan clutch plays a key role in that system's overall health.

  • Regulates radiator fan speed based on engine temperature.
  • Helps prevent engine overheating.
  • Improves cooling system efficiency.
  • Reduces unnecessary fan noise and power consumption.
  • Designed for reliable and durable operation.
  • Essential component for maintaining optimal engine temperature.
  • Direct fit for compatible vehicle models.
  • Part number: 500 403
Heating/Cooling
Viscous friction clutch
Operating mode
Thermal
Heating/Cooling
vehicles with a fan (viscous friction clutch)
Heating/Cooling
except for the fan impeller
  • BMW
    • 3 (E36)
      • 320 i (110kW/150PS)
      • 325 i (141kW/192PS)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
      • M3 3.2 (236kW/321PS)
      • M3 3.0 (210kW/286PS)
    • 3 Coupe (E36)
      • 320 i (110kW/150PS)
      • 325 i (141kW/192PS)
      • M3 3.0 (210kW/286PS)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
      • M3 3.2 (236kW/321PS)
    • 5 (E34)
      • 520 i 24V (110kW/150PS)
      • 525 i 24V (141kW/192PS)
    • 5 Touring (E34)
      • 520 i (110kW/150PS)
      • 525 i (141kW/192PS)
    • 3 Kabriolets (E36)
      • 320 i (110kW/150PS)
      • 325 i (141kW/192PS)
      • M3 3.0 (210kW/286PS)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
      • M3 3.2 (236kW/321PS)
    • 3 Touring (E36)
      • 320 i (110kW/150PS)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
    • 5 (E39)
      • 520 i (110kW/150PS)
      • 523 i (125kW/170PS)
      • 528 i (142kW/193PS)
      • 540 i (210kW/286PS)
      • 520 i (125kW/170PS)
      • 525 i (141kW/192PS)
      • 530 i (170kW/231PS)
    • 7 (E38)
      • 728 i, iL (142kW/193PS)
    • 5 Touring (E39)
      • 520 i (110kW/150PS)
      • 523 i (125kW/170PS)
      • 528 i (142kW/193PS)
      • 520 i (125kW/170PS)
      • 525 i (141kW/192PS)
      • 530 i (170kW/231PS)
    • Z3 Roadster (E36)
      • 2.8 i (142kW/193PS)
      • M 3.2 (236kW/321PS)
      • 2.0 i (110kW/150PS)
      • 3.0 i (170kW/231PS)
      • 2.2 i (125kW/170PS)
    • Z3 Coupe (E36)
      • 2.8 i (142kW/193PS)
      • M (236kW/321PS)
      • 3.0 i (170kW/231PS)
    • 3 (E46)
      • 328 i (142kW/193PS)
      • 323 i (125kW/170PS)
      • 320 i (110kW/150PS)
      • 330 xi (170kW/231PS)
      • 320 i (125kW/170PS)
      • 325 i (141kW/192PS)
      • 325 xi (141kW/192PS)
    • 3 Coupe (E46)
      • 323 Ci (125kW/170PS)
      • 328 Ci (142kW/193PS)
      • 320 Ci (110kW/150PS)
      • 320 Ci (125kW/170PS)
      • 325 Ci (141kW/192PS)
      • 330 Ci (170kW/231PS)
    • 3 Touring (E46)
      • 320 i (110kW/150PS)
      • 328 i (142kW/193PS)
      • 330 xi (170kW/231PS)
      • 330 i (170kW/231PS)
      • 320 i (125kW/170PS)
      • 325 i (141kW/192PS)
      • 325 xi (141kW/192PS)
    • 3 Kabriolets (E46)
      • 323 Ci (125kW/170PS)
      • 330 Ci (170kW/231PS)
      • 320 Ci (125kW/170PS)
      • 325 Ci (141kW/192PS)
    • 3 Compact (E46)
      • 325 ti (141kW/192PS)
    • X5 (E53)
      • 3.0 i (170kW/231PS)
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