Cessna 28V Electro-Mech Overvoltage Relay P/N C593003-0101 EM233 from $44.80 Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Condition: UsedCondition Description: as removedAlt P/N C593003-0101See condition in pictures. Manufacturer Part Number: EM233 Qty available: 1 Tweet