O-ring * price on request Available Ordered before 12.00, shipped same day 100 years of engine spare part knowledge 12 months warranty Please select your engine before inquiring this part. Product specifications Engine brand New Sulzer Diesel, Wärtsilä Engine type RT-Flex 50D Diameter 18.72 millimeter Hardness (Shore) 70 Material Viton Thickness 2.62 millimeter No stress about shipping?Sounds good! 99% of our global shipments arrive within 5 days! Request shipment enquiry