“NAME:AUX ENG 1, CYLINDER COVER W/VALVES, NO.01 MAKER:MAN DIESEL & TURBO TYPE:8L 21/31” “O-Ring(viton) O-ring for Fuel Injector Sleeve Part Number – 50501-27-064 See attached photos” MAN DIESEL & TURBO.L21-31.50501-27-064