350B - LOADER, CRAWLER 15 HYDRAULIC LINES, LEVEL INDICATORS AND RELIEF VALVE Parts group 15 HYDRAULIC LINES, LEVEL INDICATORS AND RELIEF VALVE 15 HYDRAULIC LINES, LEVEL INDICATORS AND RELIEF VALVE . JOHN DEERE MULTI-PURPOSE BUCKET CYLINDER, HOSES, AND PINS [A14] OIL LINES AND FITTINGS-3/4-YARD DROTT 4-IN-1 BUCKET [A15] RELIEF VALVE FOR 3/4-CUBIC YARD (0.6 M 3) DROTT 4-IN-1 BUCKET [A16] BUCKET LEVEL INDICATOR [A17] JOHN DEERE MULTI-PURPOSE BUCKET LEVEL INDICATOR [A18] INDICATOR FOR 3/4-YARD (0.57 M 3) DROTT 4-IN-1 BUCKET [A18] RELIEF VALVE [A19]