208 - SKIDDER, LOG 620 WATER SEPARATOR (1900) Parts group 620 WATER SEPARATOR (1900) 620 WATER SEPARATOR (1900) . WATER SEPARATOR (1900) G S R E X 1900 FUEL SYSTEM( 800001 - ) 1900-010/11 [1900-010/11] WATER SEPARATOR (1900) T S R E X 1900 FUEL SYSTEM( 800001 - ) 1900-011/13 [1900-011/13]