Mercedes A8357040000 Visco Fan - 8357040000
Visco FanTrusted Mercedes Visco Fan — ref. A8357040000 / 8357040000 — original and OEM-specification diesel engine parts for heavy commercial vehicles and engines. Worldwide supply. 1-year warranty included.
Mercedes A8357040000 / 8357040000 Visco Fan is a thermally actuated cooling fan drive unit for Mercedes diesel engines in heavy trucks and generator sets. Viscous coupling engagement varies fan speed in proportion to coolant temperature, reducing parasitic power loss at low thermal loads while ensuring full cooling capacity under sustained high-load operation. Ships with a 1-year warranty.
