GERDES ALTERNATE AIR VALVE • $45 • OR BEST OFFER! • Mooney M20J Gerdes Alternate Air Valve (2064). Have pictures. • Contact Teresa Camp , Owner - located Newalla, OK 74857-7822 United States • Telephone: ---------- • Posted April 22, 2024 • Show all Ads posted by this Advertiser • Recommend This Ad to a Friend • Email Advertiser • Save to Watchlist • Report This Ad