
- Part Number: DS:AC:CRU
- Est. Ship Time: Product Unavailable

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Backordered with No ETA (Updated on 4/24/2025)
Brought to you by customer demand, the Cold Rush is an add-on upgrade to the Max.
You must have a Dieselsite Max or an OEM installed heater valve on the Superduty V-8, V-10, 7.3L or 6.0L engines. This is not a stand-alone unit.
This DIESELSITE Cold Rush will shut off coolant flow through the heater core whenever the switch is activated. The result is a decrease in duct temperature by as much as 10-20 degrees. This gets COLD! The Cold Rush will allow those in cool climates to be able to use the vents as they were intended and get outside air temps through them instead of warm air. Simply Put, you have the ultimate climate control from the cab in any mode of the air conditioning system controls. Install takes about 30 minutes and requires no special tools. Everything you need is included in the kit. Full detailed instructions including color pictures are included.
NOTE: For those that do not have Upfitter Switches, we supply you with a switch in the kit.
DieselSite part number: CRU
