Radiator Fan Thermoswitch 103 139

Compatible with VW POLO II (86C, 80) , VW PASSAT B3/B4 (3A2, 35I) , VW GOLF III (1H1) Show more info
Ensures your radiator fan operates at the optimal temperature. Directly replaces the original component for a perfect fit.
5.76 EUR
inc. VAT 21%
In stock 4
Delivery 1 day (13.05.2026)
PN 103 139
Make TOPRAN

This radiator fan thermoswitch from TOPRAN is designed to regulate the temperature of your engine by activating the radiator fan when needed. It is a crucial component for maintaining optimal engine operating temperatures and preventing overheating. Crafted with quality materials, this part ensures reliable performance and durability. It is engineered to meet or exceed original equipment specifications, guaranteeing compatibility and ease of installation. Replacing a faulty thermoswitch can help restore proper cooling system function and prevent potential engine damage. Proper functioning of the cooling system is vital for engine longevity and performance. This thermoswitch plays a key role in this system, ensuring that the fan engages at the correct temperature threshold to dissipate excess heat. Regular checks and timely replacement of cooling system components can save you from costly repairs down the line.

  • Direct replacement for original part
  • Ensures proper radiator fan operation
  • Helps prevent engine overheating
  • Maintains optimal engine temperature
  • Durable construction for long service life
  • Designed for a precise fit
  • Restores cooling system efficiency
Plug connector housing shape
Angle
Thread size
M 22 x 1,5
Number of pin contacts
3
Activation point [°C]
95
Cut-off temperature [°C]
84
Activation point [°C]
102
Cut-off temperature [°C]
91
Number of gear shifts
2
Wrench size
29
Shell color
black
  • VW
    • POLO II (86C, 80)
      • 1.4 D (35kW/48PS)
      • 1.3 Cat (40kW/55PS)
    • PASSAT B3/B4 (3A2, 35I)
      • 2.0 (85kW/115PS)
      • 1.9 D (50kW/68PS)
      • 1.9 TD (55kW/75PS)
      • 1.9 TDI (66kW/90PS)
      • 1.8 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 2.8 VR6 (128kW/174PS)
      • 2.0 16V (110kW/150PS)
      • 1.6 (74kW/101PS)
      • 1.9 TDI (81kW/110PS)
      • 2.0 (79kW/107PS)
    • GOLF III (1H1)
      • 1.9 D (47kW/64PS)
      • 1.9 TD, GTD (55kW/75PS)
      • 1.9 TDI (66kW/90PS)
      • 1.6 (55kW/75PS)
      • 1.8 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 2.0 (85kW/115PS)
      • 2.0 GTI 16V (110kW/150PS)
      • 1.4 (44kW/60PS)
      • 2.8 VR6 (128kW/174PS)
      • 1.6 (74kW/101PS)
      • 1.9 TDI (81kW/110PS)
      • 1.9 SDI (47kW/64PS)
    • VENTO (1H2)
      • 1.9 D (48kW/65PS)
      • 1.9 TD (55kW/75PS)
      • 1.9 TDI (66kW/90PS)
      • 1.4 (44kW/60PS)
      • 1.6 (55kW/75PS)
      • 1.8 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 2.0 (85kW/115PS)
      • 2.8 VR6 (128kW/174PS)
      • 1.6 (74kW/101PS)
      • 1.9 TDI (81kW/110PS)
      • 1.9 SDI (47kW/64PS)
    • GOLF III Variant (1H5)
      • 1.9 D (47kW/64PS)
      • 1.9 TD (55kW/75PS)
      • 1.4 (44kW/60PS)
      • 1.8 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 2.0 (85kW/115PS)
      • 1.9 TDI (66kW/90PS)
      • 1.6 (74kW/101PS)
      • 1.9 TDI (81kW/110PS)
      • 1.9 SDI (47kW/64PS)
    • PASSAT B3/B4 Variant (3A5, 35I)
      • 2.0 (85kW/115PS)
      • 1.9 D (50kW/68PS)
      • 1.9 TD (55kW/75PS)
      • 1.9 TDI (66kW/90PS)
      • 1.8 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 2.8 VR6 (128kW/174PS)
      • 2.0 16V (110kW/150PS)
      • 1.6 (74kW/101PS)
      • 1.9 TDI (81kW/110PS)
      • 2.0 (79kW/107PS)
      • 2.0 (85kW/116PS)
    • POLO III (6N1)
      • 55 1.3 (40kW/55PS)
      • 75 1.6 (55kW/75PS)
      • 45 1.0 (33kW/45PS)
      • 64 1.9 D (47kW/64PS)
      • 60 1.4 (44kW/60PS)
      • 100 1.4 16V (74kW/100PS)
      • 50 1.0 (37kW/50PS)
      • 60 1.7 SDI (44kW/60PS)
      • 120 1.6 16V GTI (88kW/120PS)
      • 64 1.9 SDI (47kW/64PS)
      • 1.7 SDI (42kW/57PS)
    • SHARAN (7M8, 7M9, 7M6)
      • 1.9 TDI (66kW/90PS)
      • 2.0 (85kW/115PS)
      • 2.8 VR6 (128kW/174PS)
      • 2.8 VR6 Syncro (128kW/174PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 T 20V (110kW/150PS)
      • 2.0 TDI (100kW/136PS)
      • 2.8 V6 24V (150kW/204PS)
      • 1.9 TDI (85kW/115PS)
      • 2.8 V6 24V 4motion (150kW/204PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 1.9 TDI (96kW/130PS)
      • 1.9 TDI (110kW/150PS)
      • 2.0 TDI (103kW/140PS)
      • 2.0 LPG (85kW/115PS)
    • POLO III CLASSIC (6V2)
      • 75 1.6 (55kW/75PS)
      • 60 1.4 (44kW/60PS)
      • 64 1.9 SDI (47kW/64PS)
      • 100 1.6 (74kW/100PS)
      • 90 1.9 TDI (66kW/90PS)
      • 90 1.8 (66kW/90PS)
      • 57 1.7 SDI (42kW/57PS)
      • 110 1.9 TDI (81kW/110PS)
      • 75 1.4 16V (55kW/75PS)
      • 68 1.9 SDI (50kW/68PS)
      • 75 1.6 (55kW/75PS)
      • 54 1.4 (40kW/54PS)
    • GOLF IV (1J1)
      • 1.9 TDI (66kW/90PS)
      • 1.6 (74kW/100PS)
      • 1.9 TDI (81kW/110PS)
      • 1.9 SDI (50kW/68PS)
      • 1.4 16V (55kW/75PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.3 V5 (110kW/150PS)
      • 1.9 TDI 4motion (66kW/90PS)
      • 1.8 4motion (92kW/125PS)
      • 2.8 VR6 4motion (150kW/204PS)
      • 2.0 (85kW/115PS)
      • 2.3 V5 4motion (110kW/150PS)
      • 1.9 TDI (85kW/115PS)
      • 1.6 16V (77kW/105PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI 4motion (74kW/101PS)
      • 1.9 TDI (110kW/150PS)
      • 1.9 TDI 4motion (110kW/150PS)
      • 1.6 (75kW/102PS)
      • 2.3 V5 (125kW/170PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 2.0 4motion (85kW/115PS)
      • 1.9 TDI (96kW/130PS)
      • 1.9 TDI 4motion (96kW/130PS)
    • LUPO I (6X1, 6E1)
      • 1.0 (37kW/50PS)
      • 1.4 16V (55kW/75PS)
      • 1.7 SDI (44kW/60PS)
      • 1.2 TDI 3L (45kW/61PS)
      • 1.4 16V (74kW/100PS)
      • 1.4 TDI (55kW/75PS)
      • 1.6 GTI (92kW/125PS)
      • 1.4 FSI (77kW/105PS)
      • 1.4 (44kW/60PS)
      • 1.0 (37kW/50PS)
    • NEW BEETLE (9C1, 1C1)
      • 2.0 (85kW/115PS)
      • 1.9 TDI (66kW/90PS)
      • 1.6 (74kW/100PS)
      • 1.8 T (110kW/150PS)
      • 1.6 (75kW/102PS)
      • 2.3 V5 (125kW/170PS)
      • 1.9 TDI (74kW/101PS)
    • BORA I (1J2)
      • 1.6 (74kW/101PS)
      • 2.0 (85kW/115PS)
      • 2.3 V5 (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 (92kW/125PS)
      • 1.4 16V (55kW/75PS)
      • 1.9 SDI (50kW/68PS)
      • 2.8 V6 4motion (150kW/204PS)
      • 1.8 4motion (92kW/125PS)
      • 2.3 V5 4motion (110kW/150PS)
      • 1.9 TDI 4motion (66kW/90PS)
      • 1.9 TDI (85kW/115PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 1.6 16V (77kW/105PS)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI 4motion (74kW/101PS)
      • 1.9 TDI 4motion (110kW/150PS)
      • 1.6 (75kW/102PS)
      • 2.3 V5 (125kW/170PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 1.8 T (110kW/150PS)
      • 2.0 4motion (85kW/115PS)
      • 1.9 TDI (96kW/130PS)
      • 1.9 TDI 4motion (96kW/130PS)
    • GOLF IV Variant (1J5)
      • 1.4 16V (55kW/75PS)
      • 1.6 (74kW/101PS)
      • 2.0 (85kW/115PS)
      • 1.9 SDI (50kW/68PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.9 TDI (85kW/115PS)
      • 1.9 TDI 4motion (66kW/90PS)
      • 2.3 V5 (110kW/150PS)
      • 2.3 V5 4motion (110kW/150PS)
      • 1.8 4motion (92kW/125PS)
      • 2.8 V6 4motion (150kW/204PS)
      • 1.6 16V (77kW/105PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI 4motion (74kW/101PS)
      • 1.6 (75kW/102PS)
      • 2.0 4motion (85kW/115PS)
      • 1.9 TDI (96kW/130PS)
      • 1.9 TDI 4motion (96kW/130PS)
      • 2.0 Bi-Fuel (85kW/116PS)
      • 1.6 FSI (81kW/110PS)
      • 1.8 T (110kW/150PS)
      • 2.3 V5 (125kW/170PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 1.9 TDI (110kW/150PS)
      • 1.9 TDI 4motion (110kW/150PS)
    • BORA Variant (1J6)
      • 2.0 (85kW/115PS)
      • 2.3 V5 (110kW/150PS)
      • 1.9 TDI (85kW/115PS)
      • 1.6 (74kW/100PS)
      • 1.9 TDI (81kW/110PS)
      • 2.3 V5 4motion (110kW/150PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 1.8 4motion (92kW/125PS)
      • 2.8 V6 4motion (150kW/204PS)
      • 1.6 16V (77kW/105PS)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI 4motion (74kW/101PS)
      • 1.6 (75kW/102PS)
      • 2.3 V5 (125kW/170PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 1.8 T (110kW/150PS)
      • 2.0 4motion (85kW/115PS)
      • 1.9 TDI (96kW/130PS)
      • 1.9 TDI 4motion (96kW/130PS)
    • POLO (6N2)
      • 1.4 16V (55kW/75PS)
      • 1.6 16V GTI (92kW/125PS)
      • 1.4 TDI (55kW/75PS)
      • 1.0 (37kW/50PS)
      • 1.4 16V (74kW/101PS)
      • 1.7 SDI (44kW/60PS)
      • 1.9 D (47kW/64PS)
      • 1.4 (44kW/60PS)
      • 1.4 (40kW/54PS)
      • 1.9 SDI (47kW/64PS)
    • CADDY II Lielas ietilpības automobilis (9K9B)
      • 1.4 (44kW/60PS)
      • 1.4 16V (55kW/75PS)
      • 1.6 (55kW/75PS)
      • 1.6 (55kW/75PS)
      • 1.9 D (47kW/64PS)
      • 1.9 SDI (47kW/64PS)
      • 1.9 TDI (66kW/90PS)
  • SEAT
    • IBIZA II (6K1)
      • 1.9 SDI (47kW/64PS)
      • 1.9 TD (55kW/75PS)
      • 1.0 (33kW/45PS)
      • 1.3 i (40kW/54PS)
      • 1.6 i (55kW/75PS)
      • 1.8 i (66kW/90PS)
      • 2.0 i (85kW/115PS)
      • 1.4 i (44kW/60PS)
      • 1.8 i 16V (95kW/129PS)
      • 1.6 i (74kW/101PS)
      • 2.0 i 16V (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.4 i 16V (74kW/101PS)
      • 1.9 D (47kW/64PS)
      • 1.0 i (37kW/50PS)
      • 1.9 SDI (50kW/68PS)
      • 1.4 16V (55kW/75PS)
      • 1.8 T 20V Cupra (115kW/156PS)
      • 1.6 i (55kW/75PS)
      • 1.4 (40kW/54PS)
    • CORDOBA (6K1, 6K2)
      • 1.4 i (44kW/60PS)
      • 1.6 i (55kW/75PS)
      • 1.8 i (66kW/90PS)
      • 2.0 i (85kW/115PS)
      • 1.9 TD (55kW/75PS)
      • 1.8 i 16V (95kW/129PS)
      • 1.9 SDI (47kW/64PS)
      • 1.6 i (74kW/101PS)
      • 2.0 i 16V (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 D (47kW/64PS)
      • 1.4 i 16V (74kW/101PS)
      • 1.9 TDI (81kW/110PS)
      • 1.0 i (37kW/50PS)
      • 1.9 SDI (50kW/68PS)
      • 1.4 16V (55kW/75PS)
      • 1.8 T 20V Cupra (115kW/156PS)
      • 1.6 i (55kW/75PS)
      • 1.4 (40kW/54PS)
    • INCA (6K9)
      • 1.4 i (44kW/60PS)
      • 1.6 i (55kW/75PS)
      • 1.9 D (47kW/64PS)
      • 1.9 SDI (47kW/64PS)
      • 1.7 D (42kW/57PS)
      • 1.4 16V (55kW/75PS)
      • 1.6 i (55kW/75PS)
    • ALHAMBRA (7V8, 7V9)
      • 2.0 i (85kW/115PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 T 20V (110kW/150PS)
      • 2.8 V6 (150kW/204PS)
      • 1.9 TDI (85kW/115PS)
      • 2.8 V6 4motion (150kW/204PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 1.9 TDI (96kW/131PS)
      • 1.9 TDI (110kW/150PS)
      • 2.0 TDI (103kW/140PS)
    • AROSA (6H1)
      • 1.0 (37kW/50PS)
      • 1.4 (44kW/60PS)
      • 1.7 SDI (44kW/60PS)
      • 1.4 16V (74kW/100PS)
      • 1.4 TDI (55kW/75PS)
      • 1.0 (37kW/50PS)
    • TOLEDO II (1M2)
      • 1.6 (74kW/100PS)
      • 1.8 20V (92kW/125PS)
      • 2.3 V5 (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.4 16V (55kW/75PS)
      • 1.6 16V (77kW/105PS)
      • 2.3 V5 20V (125kW/170PS)
      • 1.9 TDI (110kW/150PS)
      • 1.9 TDI (96kW/130PS)
      • 1.8 20VT (132kW/180PS)
    • LEON (1M1)
      • 1.6 (74kW/100PS)
      • 1.8 20V (92kW/125PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.4 16V (55kW/75PS)
      • 1.8 20V T (132kW/180PS)
      • 1.9 SDI (50kW/68PS)
      • 1.8 20V T 4 (132kW/180PS)
      • 1.6 16 V (77kW/105PS)
      • 2.8 Cupra 4 (150kW/204PS)
      • 1.9 TDI (110kW/150PS)
      • 1.8 T Cupra R (154kW/209PS)
      • 1.8 T Cupra R (165kW/225PS)
      • 1.9 TDI Syncro (110kW/150PS)
      • 1.9 TDI (96kW/130PS)
      • 1.9 TDI (74kW/100PS)
      • 2.8 (150kW/204PS)
      • 1.6 (75kW/102PS)
  • FORD
    • GALAXY I (WGR)
      • 1.9 TDI (66kW/90PS)
      • 2.8 i V6 (128kW/174PS)
      • 1.9 TDI (81kW/110PS)
      • 2.8 V6 (150kW/204PS)
      • 1.9 TDI (85kW/115PS)
      • 1.9 TDI (96kW/130PS)
      • 1.9 TDI (110kW/150PS)
  • AUDI
    • A3 (8L1)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 T quattro (132kW/180PS)
      • S3 quattro (154kW/210PS)
      • 1.8 T quattro (110kW/150PS)
      • 1.8 T (132kW/180PS)
      • 1.9 TDI (96kW/130PS)
      • 1.6 (75kW/102PS)
      • 1.9 TDI quattro (96kW/130PS)
      • 1.9 TDI (74kW/100PS)
      • S3 quattro (165kW/224PS)
    • TT (8N3)
      • 1.8 T (132kW/180PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T quattro (165kW/224PS)
      • 1.8 T quattro (140kW/190PS)
    • TT Roadster (8N9)
      • 1.8 T (132kW/180PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T quattro (165kW/224PS)
      • 1.8 T (110kW/150PS)
  • SKODA
    • OCTAVIA I (1U2)
      • 1.6 (55kW/75PS)
      • 1.8 (92kW/125PS)
      • 1.9 TDI (66kW/90PS)
      • 1.6 (74kW/101PS)
      • 1.9 SDI (50kW/68PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 T (110kW/150PS)
      • 2.0 (85kW/116PS)
      • 1.4 (44kW/60PS)
      • 1.4 16V (55kW/75PS)
      • RS 1.8 T (132kW/180PS)
      • 1.6 (75kW/102PS)
      • 1.8 T 4x4 (110kW/150PS)
      • 1.9 TDI (96kW/130PS)
    • OCTAVIA I Combi (1U5)
      • 1.6 (74kW/101PS)
      • 1.8 20V (92kW/125PS)
      • 1.9 SDI (50kW/68PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 T (110kW/150PS)
      • 1.6 (55kW/75PS)
      • 1.9 TDI 4x4 (66kW/90PS)
      • 2.0 (85kW/116PS)
      • 1.9 TDI 4x4 (74kW/100PS)
      • 1.4 16V (55kW/75PS)
      • 1.6 (75kW/102PS)
      • 1.8 T 4x4 (110kW/150PS)
      • 2.0 4x4 (85kW/116PS)
      • RS 1.8 T (132kW/180PS)
      • 1.9 TDI (96kW/130PS)
      • 1.9 TDI (74kW/100PS)
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