ACDelco Engine Crankshaft Seal Adapter 14088556. Engine Crankshaft Seal Adapter. Lists of compatible vehicles. 1986 Chevrolet C20 Suburban. 1986 Chevrolet K10 Suburban. 1986 Chevrolet K20 Suburban. 1996 Chevrolet Express 1500. 1996 Chevrolet Express 2500. 1996 GMC Savana 1500. 1996 GMC Savana 2500. Some orders containing multiple parts may be delivered in more than one package, […]