T25 / T4 Relay for radiator fan control unit Ref. no. 321919505A
VW Bus T25:
Relay ‘30’
Relay for the power supply of the Digifant engine control unit
Relay for radiator fan in vehicles with air conditioning system MV / SR ONLY
VW Bus T4:
Relay control unit: Engine AAC, AAF, AET, APL, AUT, AEU
Comparison numbers: 321 919 505A