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Post Onsite · Electrical & Lighting
K301-378
In stock · ships from Knoxville
This is an electrical switch designed to control the headlights on Kenworth 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.
It is the interface the driver uses to turn the headlights on and off. Over time, the internal contacts can wear or corrode, leading to intermittent or failed headlight operation. Replacing the switch restores reliable control of the headlights.
Part Number: K301-378
KW HEADLIGHT SWITCH
Dealer: Post Onsite
Compatibility, alternatives, and more
Parts commonly needed alongside electrical & lighting
