The Fuel Water Separator RE522878 Equivalent OEM Part Number FS19976 SK3157 RE536192 WK8162,Application For Bell 1706 . 1806E . Claas 620 Arion . Doosan Daewoo G100 Portable (Ingersoll-Rand 4IRD5AE eng). G200 Portable (6.8L eng). Gehl RS10-44; RS10-55 (JD Turbo eng). John Bean 6140A (JD 4045HF eng). John DeerePowerTech PVX 6.8L Interim Tier 4 . R450 (6068H eng). S550 STS (PowerTech Plus 6.8L eng). T550; W540; W550 (6068HZ eng).