Aviation's Panel Mount Avionics Installation Leader

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Available to purchase individually as single inner knob (p/n 430-00030-10), single outer knob (p/n 430-00044-00), or volume knobs (p/n 430-00053-00). Discounted pricing when all knobs purchased together.



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Picture of Replacement Knobs, GNC 255/GTR 225
Replacement Knobs, GNC 255/GTR 225
GarminPart #: K00-00733-00
From $25.00

California Residents:

Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.