TOPRAN 107 731 Air Conditioning System Relay

Compatible with AUDI 80 B3 Sedans (893, 894, 8A2) , AUDI 100 C3 Sedans (443, 444) , AUDI 100 C4 Sedans (4A2) Show more info
This TOPRAN relay is designed for your vehicle's air conditioning system. Ensure reliable operation of your AC with this quality component.
4.22 EUR
inc. VAT 21%
In stock 15
Delivery 1 day (14.05.2026)
PN 107 731
Make TOPRAN

The TOPRAN 107 731 relay is a crucial component for the proper functioning of your vehicle's air conditioning system. It plays a vital role in controlling the flow of power to the AC compressor and other related components, ensuring efficient cooling. Crafted with quality materials, this relay is built to meet stringent industry standards, offering durability and consistent performance. Replacing a faulty relay can resolve issues such as an AC system not engaging or intermittent cooling problems. This part is specifically designed for compatibility with various vehicle models, providing a direct fit and straightforward installation. Trust TOPRAN for dependable parts that keep your vehicle's comfort systems running smoothly.

  • Direct replacement for original air conditioning system relay
  • Ensures proper electrical control of AC components
  • Designed for reliable and consistent performance
  • Built to meet high-quality standards
  • Helps restore full AC functionality
  • Easy installation
Nominal voltage [V]
1/2"
Number of pin contacts
4
  • AUDI
    • 80 B3 Sedans (893, 894, 8A2)
      • 1.6 (55kW/75PS)
      • 1.8 (55kW/75PS)
      • 1.8 S (65kW/88PS)
      • 1.8 S (66kW/90PS)
      • 1.8 E (82kW/112PS)
      • 1.8 (83kW/113PS)
      • 1.6 D (40kW/54PS)
      • 1.6 TD (59kW/80PS)
      • 1.6 (51kW/70PS)
      • 1.4 (48kW/65PS)
    • 100 C3 Sedans (443, 444)
      • 1.8 (65kW/88PS)
      • 1.8 Cat (66kW/90PS)
      • 1.9 (74kW/100PS)
      • 2.1 (100kW/136PS)
      • 2.2 (85kW/115PS)
      • 2.2 (101kW/137PS)
      • 2.0 D (51kW/70PS)
      • 2.0 D Turbo (64kW/87PS)
      • 1.8 (55kW/75PS)
      • 1.8 (66kW/90PS)
      • 2.0 (85kW/115PS)
      • 2.2 (79kW/107PS)
    • 100 C4 Sedans (4A2)
      • 2.4 D (60kW/82PS)
      • 2.5 TDI (85kW/115PS)
      • 2.0 (74kW/100PS)
      • 2.0 E (85kW/115PS)
      • 2.3 E (98kW/133PS)
      • 2.6 (110kW/150PS)
      • 2.8 E (128kW/174PS)
      • 2.6 (102kW/139PS)
      • 2.0 E 16V (103kW/140PS)
    • 80 B4 Sedans (8C2)
      • 1.9 TD (55kW/75PS)
      • 1.9 TDI (66kW/90PS)
      • 1.6 (52kW/71PS)
      • 1.6 E (74kW/101PS)
      • 2.0 (66kW/90PS)
      • 2.0 E (85kW/115PS)
      • 2.0 E 16V (103kW/140PS)
      • 2.3 E (98kW/133PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 2.0 E 16V (101kW/137PS)
    • 80 B4 Avant (8C5)
      • 2.0 (66kW/90PS)
      • 2.0 E (85kW/115PS)
      • 2.0 E 16V (103kW/140PS)
      • 2.3 E (98kW/133PS)
      • 2.6 (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.6 E (74kW/101PS)
      • 2.8 (128kW/174PS)
      • 1.9 TD (55kW/75PS)
    • 100 C4 Avant (4A5)
      • 2.5 TDI (85kW/115PS)
      • 2.0 E (74kW/100PS)
      • 2.0 E (85kW/115PS)
      • 2.6 (110kW/150PS)
      • 2.3 E (98kW/133PS)
      • 2.8 E (128kW/174PS)
      • 2.4 D (60kW/82PS)
      • 2.0 E 16V (103kW/140PS)
    • A6 C4 (4A2)
      • 1.9 TDI (66kW/90PS)
      • 2.5 TDI (103kW/140PS)
      • 2.0 (74kW/100PS)
      • 2.0 (85kW/115PS)
      • 2.0 16V (103kW/140PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 2.5 TDI (85kW/116PS)
      • 2.0 16V quattro (103kW/140PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 quattro (128kW/174PS)
      • 2.5 TDI quattro (103kW/140PS)
      • 1.8 (92kW/125PS)
      • 1.8 quattro (92kW/125PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.3 (98kW/133PS)
      • 2.3 quattro (98kW/133PS)
      • 2.6 (102kW/139PS)
      • 2.8 (120kW/163PS)
    • A6 C4 Avant (4A5)
      • 1.9 TDI (66kW/90PS)
      • 2.5 TDI (103kW/140PS)
      • 2.0 (85kW/115PS)
      • 2.0 16V (103kW/140PS)
      • 2.6 (110kW/150PS)
      • 2.8 (128kW/174PS)
      • 2.5 TDI (85kW/116PS)
      • 2.0 16V quattro (103kW/140PS)
      • 2.8 quattro (128kW/174PS)
      • 2.5 TDI quattro (103kW/140PS)
      • 1.8 (92kW/125PS)
      • 1.8 quattro (92kW/125PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.3 (98kW/133PS)
      • 2.3 quattro (98kW/133PS)
      • 2.6 quattro (110kW/150PS)
      • 2.6 (102kW/139PS)
    • A4 B5 (8D2)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.8 quattro (92kW/125PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.6 quattro (110kW/150PS)
      • 1.9 TDI (81kW/110PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 1.9 TDI quattro (81kW/110PS)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • 1.9 TDI (55kW/75PS)
      • 1.8 (85kW/115PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
    • A4 B5 Avant (8D5)
      • 1.6 (74kW/100PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.6 (110kW/150PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 1.8 quattro (92kW/125PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.6 quattro (110kW/150PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 1.9 TDI quattro (81kW/110PS)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • 1.8 (85kW/115PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
    • A6 C5 (4B2, 4B4)
      • 1.8 T (110kW/150PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.4 (121kW/165PS)
      • 2.4 quattro (121kW/165PS)
      • 1.9 TDI (81kW/110PS)
      • 2.5 TDI (110kW/150PS)
      • 2.8 (142kW/193PS)
      • 2.8 quattro (142kW/193PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 1.8 (92kW/125PS)
      • 2.7 T (169kW/230PS)
      • 2.7 T quattro (169kW/230PS)
      • 1.8 T quattro (132kW/180PS)
      • 2.4 (100kW/136PS)
      • 1.8 T (132kW/180PS)
      • 2.5 TDI (132kW/180PS)
      • 2.5 TDI quattro (132kW/180PS)
      • 1.9 TDI (85kW/115PS)
      • 2.8 (132kW/180PS)
      • 2.8 (140kW/190PS)
      • 2.4 (115kW/156PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 2.7 T quattro (184kW/250PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.4 quattro (115kW/156PS)
      • 2.8 quattro (140kW/190PS)
    • A6 C5 Avant (4B5, 4B6)
      • 1.9 TDI (81kW/110PS)
      • 1.8 (92kW/125PS)
      • 2.8 quattro (142kW/193PS)
      • 1.8 T (110kW/150PS)
      • 2.4 (121kW/165PS)
      • 2.8 (142kW/193PS)
      • 1.8 T quattro (110kW/150PS)
      • 2.4 quattro (121kW/165PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI quattro (110kW/150PS)
      • 2.7 T (169kW/230PS)
      • 2.7 T quattro (169kW/230PS)
      • 2.4 (100kW/136PS)
      • 1.8 T quattro (132kW/180PS)
      • 1.8 T (132kW/180PS)
      • 2.5 TDI (132kW/180PS)
      • 2.5 TDI quattro (132kW/180PS)
      • 1.9 TDI (85kW/115PS)
      • 2.8 (132kW/180PS)
      • 2.8 (140kW/190PS)
      • 2.4 (115kW/156PS)
      • 2.4 (125kW/170PS)
      • 2.4 quattro (125kW/170PS)
      • 2.4 (120kW/163PS)
      • 2.4 quattro (120kW/163PS)
      • 2.4 quattro (115kW/156PS)
  • VW
    • PASSAT B5 (3B2)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.3 VR5 (110kW/150PS)
      • 2.8 V6 Syncro/4motion (142kW/193PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 2.8 V6 (142kW/193PS)
      • 1.8 Syncro/4motion (92kW/125PS)
      • 1.9 TDI Syncro/4motion (81kW/110PS)
      • 2.3 VR5 Syncro/4motion (110kW/150PS)
      • 1.9 TDI (85kW/115PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI Syncro/4motion (110kW/150PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 2.0 (88kW/120PS)
      • 2.0 4motion (88kW/120PS)
      • 1.9 TDI (74kW/101PS)
      • 1.8 (85kW/115PS)
    • PASSAT B5 Variant (3B5)
      • 1.6 (74kW/101PS)
      • 1.8 (92kW/125PS)
      • 1.8 T (110kW/150PS)
      • 2.3 VR5 (110kW/150PS)
      • 2.8 V6 (142kW/193PS)
      • 1.9 TDI (66kW/90PS)
      • 1.9 TDI (81kW/110PS)
      • 2.8 V6 Syncro/4motion (142kW/193PS)
      • 1.8 Syncro/4motion (92kW/125PS)
      • 1.9 TDI Syncro/4motion (81kW/110PS)
      • 2.3 VR5 Syncro/4motion (110kW/150PS)
      • 1.9 TDI (85kW/115PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI Syncro/4motion (110kW/150PS)
      • 1.9 TDI 4motion (85kW/115PS)
      • 1.9 TDI (74kW/101PS)
      • 2.0 (88kW/120PS)
      • 2.0 4motion (88kW/120PS)
      • 1.8 (85kW/115PS)
    • PASSAT B5.5 (3B3)
      • 1.6 (75kW/102PS)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI (96kW/130PS)
      • 2.3 V5 (125kW/170PS)
      • 2.0 (85kW/115PS)
      • 2.5 TDI (110kW/150PS)
      • 1.8 T 20V (110kW/150PS)
      • 2.8 4motion (142kW/193PS)
      • 2.5 TDI 4motion (110kW/150PS)
      • 1.9 TDI 4motion (96kW/130PS)
      • 2.0 4motion (85kW/115PS)
      • 2.3 V5 4motion (125kW/170PS)
      • 2.0 (96kW/130PS)
      • 1.8 T (125kW/170PS)
      • 2.5 TDI 4motion (132kW/180PS)
      • 2.5 TDI (120kW/163PS)
      • 2.0 TDI (100kW/136PS)
      • 2.8 (140kW/190PS)
    • PASSAT B5.5 Variant (3B6)
      • 1.9 TDI (74kW/101PS)
      • 1.9 TDI (96kW/130PS)
      • 1.6 (75kW/102PS)
      • 2.0 (85kW/115PS)
      • 2.3 VR5 (125kW/170PS)
      • 1.8 T 20V (110kW/150PS)
      • 2.8 4motion (142kW/193PS)
      • 2.5 TDI (110kW/150PS)
      • 2.5 TDI 4motion (110kW/150PS)
      • 1.9 TDI 4motion (96kW/130PS)
      • 2.0 4motion (85kW/115PS)
      • 2.3 VR5 4motion (125kW/170PS)
      • 2.0 (96kW/130PS)
      • 2.5 TDI (120kW/163PS)
      • 2.0 TDI (100kW/136PS)
      • 1.8 T (125kW/170PS)
      • 2.8 4motion (140kW/190PS)
  • SKODA
    • SUPERB I (3U4)
      • 1.8 T (110kW/150PS)
      • 2.0 (85kW/115PS)
      • 2.8 V6 (142kW/193PS)
      • 1.9 TDI (96kW/130PS)
      • 2.5 TDI (114kW/155PS)
      • 1.9 TDI (74kW/101PS)
      • 2.5 TDI (120kW/163PS)
      • 2.8 V6 (140kW/190PS)
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