For Kobelco Excavator SK115DZ IV Boom Cylinder Seal Kit 2438U1133R200 SA 4124 24 For Isuzu Bobcat 853 and For Isuzu Bobcat 853 and Later 843 Skid Steers with 6mm Diameter Flange Holes U55 5 Generator: SQ 3350 USA SW Tractor: M5N 111HD24 Cylinder Rod Size (in) Bore (in) Rod x Bore Serial Num Kit # SK115DZ BOOM LH 2438U1134F1 105 mm 105 mm Piston Kit LPU5001 KOB 2438U1133R200 SK115DZ BOOM RH 2438U1133F1 105 mm 105 mm Piston Kit LPU5001 KOB 2438U1133R200 SK120 BOOM LH 2438U1134F1 105 mm 105 mm Piston Kit LPU1001 KOB 2438U1133R200 SK120 BOOM RH 2438U1133F1 105 mm 105 mm Piston Kit LPU1001 KOB 2438U1133R200 SK120LC BOOM LH 2438U1134F1 105 mm 105 mm Piston Kit YPU1001 KOB 2438U1133R200 SK120LC BOOM RH 2438U1133F1 105 mm 105 mm Piston Kit YPU1001 KOB 2438U1133R200