Aux Fan Switch
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1. We are closed for holiday from Sept 3-10, 2026. Orders rec'd during this week will be filled after we return.

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Thank you!

Aux Fan Switch

$34.95

SKU: SWREDAUX01 Categories: , ,

Pressure operated aux fan switch with 3/8-24 threads. HNBR O-ring included. Receiver drier mounted. Use this switch on W123 models to upgrade away from the less responsive OE W123 aux fan switch. Red aux fan switch is OE on some W126 models and some R107 models.

 

To install this on W123 models, remove secondary hex plug on top block of receiver drier and install. Plugs seamlessly into original terminals.