Crankshaft Oil Seal 1.Material:NBR,NR,FPM,EPDM and metal 2.Use;:Automobile gear box,transmission,engine 1. Available material: FKM 2. All ... . Excellent chemical and physical property, excellent in oil resistant, high/low temperature-resistant, wearing-resistant, oil-resistant, dust-resistant.4. Custom: design ... standard sizes available.7. 600,000pcs one month. Engine crankshaft Oil Seal