Parts list: № Number Qty Name Options 1 H63357 4 BACK-UP RING 2 U40745 4 O-Ring 3 M81668 4 SEAL 4 AH80223 2 POPPET 5 R28776 2 O-Ring 6 AN153037 1 KIT Next page: 78 HAND GUN (LIGHT DUTY) [D03] 79 HAND GUN (STANDARD DUTY) [D04] 8 WHEEL AND AXLE [A09] 80 LEVER LOCK (FOR JOHN DEERE 2510, 3010, 3020 TRACTORS PRIOR TO SERIAL N0. 1230, 4010 AND 4020 TRACTORS PRIOR TO SERIAL NO. 201001) [D05] 81 LEVER LOCK (FOR JOHN DEERE 2520 TRACTORS SERIAL NO. 017001-AND UP; 3020 TRACTORS SERIAL NO. 123001-AND UP, AND 4020 TRACTORS SERIAL NO. 201001-AND UP) [D06] 76 HYDRAULIC CONTROL VALVE (FOR 9.14 AND 14.33 M (30- AND 47-FOOT) BOOMS) (550 SERIAL NO. 2806- ) [D01] 75 HYDRAULIC CONTROL VALVE REPAIR KIT (550 SERIAL NO. -2805) [C25] 74 HYDRAULIC CONTROL VALVE (FOR 30-FOOT (9.14 M) AND 47-FOOT (14.33 MM) BOOM) (550 SERIAL NO. -2805) [C24] 73 HYDRAULIC LEVELING BOOM CYLINDER (FOR 30-FOOT (9.14 M) AND 47-FOOT (12.19 M) BOOM) [C23] 72 HYDRAULIC LEVELING AND FOLDING BOOM CYLINDERS, HOSES, AND FITTINGS [C22]