TOPRAN 100 686 Coolant Temperature Sensor

Compatible with BMW 3 (E30) , BMW 3 Touring (E30) , BMW 5 (E28) Show more info
Ensures accurate engine coolant temperature readings for optimal performance and protection. Directly replaces the original component.
4.04 EUR
inc. VAT 21%
In stock 8
Delivery 1 day (14.05.2026)
PN 100 686
Make TOPRAN

This TOPRAN coolant temperature sensor, part number 100 686, is designed to provide precise measurements of your engine's coolant temperature. Accurate temperature readings are crucial for the proper functioning of your vehicle's engine management system, influencing fuel injection, ignition timing, and cooling fan operation. By ensuring the engine control unit (ECU) receives correct temperature data, this sensor helps maintain optimal operating temperatures, preventing overheating and potential engine damage. It is manufactured to meet or exceed original equipment specifications, guaranteeing reliable performance and a direct fit for your vehicle. Installation of this sensor is straightforward, typically requiring basic tools and mechanical knowledge. Replacing a faulty coolant temperature sensor can resolve issues such as poor fuel economy, rough idling, or the engine warning light illuminating on your dashboard. Trust TOPRAN for quality components that keep your vehicle running smoothly.

  • Measures engine coolant temperature accurately.
  • Essential for engine management system function.
  • Helps prevent engine overheating.
  • Direct replacement for original part.
  • Ensures optimal fuel efficiency and performance.
  • Durable construction for long-lasting reliability.
  • Designed to meet OE specifications.
Plug connector housing shape
rectangular
Sensor type
NTC sensor
Thread size
M 14
Number of pin contacts
2
Color marking
white
Additional article/Additional info 2
with sealing ring
  • BMW
    • 3 (E30)
      • 324 d (63kW/86PS)
    • 3 Touring (E30)
      • 324 td (85kW/115PS)
    • 5 (E28)
      • 524 d (63kW/86PS)
      • 524 td (85kW/115PS)
    • 5 (E34)
      • 524 td (85kW/115PS)
      • 530 i V8 (160kW/218PS)
      • 535 i (155kW/211PS)
      • 540 i V8 (210kW/286PS)
    • 5 Touring (E34)
      • 530 i (160kW/218PS)
      • 540 i (210kW/286PS)
    • 7 (E32)
      • 730 i, iL (138kW/188PS)
      • 730 i, iL V8 (160kW/218PS)
      • 735 i, iL (155kW/211PS)
      • 735 i, iL (162kW/220PS)
      • 740 i, iL V8 (210kW/286PS)
      • 750 i, iL V12 (220kW/300PS)
    • 7 (E38)
      • 730 i, iL (160kW/218PS)
      • 740 i, iL (210kW/286PS)
  • AUDI
    • 100 C3 Sedans (443, 444)
      • 2.5 TDI (88kW/120PS)
    • 100 C4 Sedans (4A2)
      • 2.5 TDI (85kW/115PS)
    • 100 C4 Avant (4A5)
      • 2.5 TDI (85kW/115PS)
    • A6 C4 (4A2)
      • 2.5 TDI (103kW/140PS)
      • 2.5 TDI (85kW/116PS)
      • 2.5 TDI quattro (103kW/140PS)
    • A6 C4 Avant (4A5)
      • 2.5 TDI (103kW/140PS)
      • 2.5 TDI (85kW/116PS)
      • 2.5 TDI quattro (103kW/140PS)
  • VW
    • GOLF II (19E, 1G1)
      • 1.8 GTI Cat (79kW/107PS)
      • 1.8 GTI (82kW/112PS)
    • JETTA II (19E, 1G2, 165)
      • 1.8 Cat (79kW/107PS)
      • 1.8 (82kW/112PS)
    • GOLF III (1H1)
      • 2.0 GTI 16V (110kW/150PS)
  • SEAT
    • TOLEDO I (1L2)
      • 1.6 i (54kW/73PS)
      • 1.8 16V (98kW/133PS)
      • 1.8 16V (92kW/125PS)
      • 1.6 i (55kW/75PS)
      • 2.0 i 16V (110kW/150PS)
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