Knob View cart “Selector Valve Knob” has been added to your cart. Showing all 3 results Default sorting Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low $35.00 Diamond, Mooney, Piper, OtherGDU-1040 Range Knob Add to cart $21.15 DiamondRudder Adjust Knob (DA20) Read more $89.34 Diamond, Mooney, Piper, OtherSelector Valve Knob Add to cart