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Knox Trailers · HVAC
SR2000028
In stock · ships from Knoxville
This is a heater control valve assembly for heavy-duty trucks.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
We don't publish fitment for this part yet. Rather than guess, get it confirmed against your truck in under a minute.
Its job is to regulate the flow of hot engine coolant into the cab's heater core, which controls how warm the air gets inside the truck. Over time, these valves can seize, leak, or fail to open and close properly, leading to either no heat or constant heat in the cab. Replacing a faulty valve restores proper cabin temperature control and prevents coolant leaks, especially on trucks that use a manually or cable-operated HVAC system. Note that fitment details could not be verified beyond general Kenworth model years, so please confirm compatibility for your specific vehicle.
Part Number: SR2000028
HEATER CONTROL VALVE 15' KENWORTH
Dealer: Knox Trailers
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