Part Number 53142-10 (POST S.B. 74-3003 Turbine Ignition Lead in stock with ready to ship. Get an instant quote for Champion Aerospace Llc part number 53142-10 (POST S.B. 74-3003 by filling form below with your desired order quantity, targeted price and the expected order-fulfilment date. Get instant quote for 53142-10 (POST S.B. 74-3003. Our dedicated account manager will get back to you within 15 minutes.