The Merit’s Furukawa FXJ275 Piston (Compatible Part No. 002407-110010) is a heavy-duty replacement component engineered for the Furukawa FXJ275 hydraulic rock breaker. Measuring 33.03 inches in length with a 5.98-inch diameter and weighing 220.88 lbs, this precision-machined piston delivers reliable impact performance and extended service life in demanding demolition and excavation applications.
This product is an aftermarket or replacement part and is not affiliated with, endorsed by, or officially authorized by Furukawa Rock Drill Co., Ltd. unless explicitly stated. All manufacturer names, model numbers, and trademarks are the property of their respective owners and are used solely for identification and compatibility reference purposes.
Breaker Body Unit (Swivel Type)
CYLINDER: 002407-100010
HELI-COIL INSERT: HB15G-10104, HB20G-10105, or 002407-900010
CYLINDER LINER: 002407-100030
U-PACKING: 002407-100040
BUFFER RING: 002400-100060
SCRAPER: 002400-100051
D-RING: F35-10116
DISTANCE WASHER: 002407-100050
SEAL RETAINER: 002407-100060
SLIDE PACKING: HB20G-10212
DELTA RING: F35-10216
BACK-UP RING: 262032-00180
GLIDE RING: 002407-100070
PLUG: F22-10220
O-RING: 160011-00029, 160011-00018, 160011-00024, 160011-00011, 160011-00014, 160011-10022, or 160011-00006
GPF PLUG: 084891-06000, 084891-02000, 084891-03000, 084891-04000, or 084891-10000
FRONT HOLDER: 002407-100080
FRONT BUSH: 002407-100090
STOP PIN: 002407-100100
A-PLUG: 002407-100110
ROD PIN: 002407-100120
KNOCK PIN: F22-10125
PLUG: 002407-100130
BUSH: F22-10121 or 002407-100140
KANT SEAL: 002407-100150
PISTON: 002407-110010
CHECK VALVE: F22-20121
PORT BLOCK: 002407-120011
SPRING WASHER: 000500-220110
SOCKET BOLT: 102032-14045
MALE CONNECTOR: 084869-06000
CAP: F22-30113
HOLLOW PLUG: 166152-02000
MOIL POINT ROD: 002407-250010
FLAT ROD: 002407-250020
WEDGE POINT ROD: 002407-250030
BALL POINT ROD: 002407-250040
BACK HEAD: 002407-300030
CHARGING VALVE: HB15G-30103
CONNECTOR: 002407-130050
BOLT: 002407-360010
WASHER: 002407-360020
Valve Group
VALVE: 002407-130010
VALVE RETAINER: 002407-130020
VALVE HOUSING: 002407-130060
VALVE HOUSING COVER: 002407-130040
BACK-UP RING: 262032-00060 or 262021-00009
GPF PLUG: 084891-10000, 084891-03000, 084891-01000, or 084891-04000
SOCKET BOLT: 102033-20050, 102032-20050, or 102033-14035
ADJUSTER: 002400-100042
DUAL SEAL: 002407-130090, F22-13522, or F22-13521
FINE THREADED NUT: 120133-22000 or 120133-16000
STROKE ADJUSTER (Anti Idle Blow): F22-13326
STROKE VALVE: F22-13320 or F22-13325
STROKE BUSH: F22-13121
STROKE ADJUSTER: F22-13122
STROKE PLUG: F22-13123
STROKE ADJUSTER (Idle Blow): F22-13327
SPRING: F22-13124
FACE SEAL: HB30G-13208
PRESSURE CONTROL VALVE (Needle Valve): 002407-130070
Accumulator Group
ACCUMULATOR ASSEMBLY: F19-70001
ACCUMULATOR COVER: F19-70101
ACCUMULATOR BODY: F19-70102
DIAPHRAGM: HB15G-70104
FACE SEAL: HB20G-70219
SOCKET BOLT: 102033-16040 or 102032-24060
VALVE: 007120-70134
CAP: 007010-70029
PLUG: 007010-70030
SV-Box Components
SV-BOX: 002407-880011 (Standard) or 902407-880012 (Mechanical)
FRONT DAMPER: 002407-830020
SIDE DAMPER: 002407-880020
BOTTOM SPACER: 002407-880030
PROTECT SEAL: 002407-830050
DUST PROTECTOR: 002407-830060 or 002407-830070
BACK DAMPER: 002407-880040 (A), F27-83206 (B), or 002407-880050 (C)
TOP DAMPER: 002407-830090
SOUNDPROOF COVER: 002407-880060 (A), 002407-880070 (B), or FXJ275-88502
CUSHION: 002407-880080
PIN PLUG: 002407-830140
DUST PLUG: 002402-830120 or 002407-880090
GROMMET: F22-88505
HYDRAULIC ADJUSTER: 902407-890010
PLATE: 002407-880100
BOLT: 101042-20040, 101032-16045, 101012-24060, or 101032-20040E
NORD-LOCK WASHER: HB3R-81114E or F45-81114
DAMPER ADJUSTER: F22-83211E
SPACER: FXJ275-83209 (A) or FXJ275-83210 (B)
Hydraulic Adjuster Group
CYLINDER: 002407-890010
ROD: 002407-890020
DUST SEAL: 002407-890030
LUBRICATING VALVE ASSEMBLY: 002407-890040
LUBRICATING VALVE: 002407-890050
BALL: 020001-05011
SPRING: 020001-05012 or 002407-890080
SPRING HOLDER: 020001-05013
GREASE NIPPLE: 170312-00000
RELIEF VALVE ASSEMBLY: 002407-890060
VALVE BODY: 002407-890070
PACKING: 085620-70606
BACK-UP RING: 262023-70060
PLUG: 002407-890090
Standard Tools
TOOL BOX: 090012-91016
14mm T-HANDLED WRENCH: 090012-25009
PRESS PIN: HB20G-90107
SOCKET WRENCH: 5mm (090012-17006), 6mm (090012-17007), 8mm (090012-17008), 12mm (090012-17028), 14mm (090012-17011), or 17mm (090012-17012)
DOUBLE OPEN ENDED SPANNER: 17x19mm (090012-12020), 22x24mm (090012-12027), 27x30mm (090012-12033), or 32x36mm (090012-12038)
SINGLE OPEN ENDED SPANNER: 19mm (090012-11012), 36mm (090012-11023), 41mm (090012-11025), or 50mm (090012-11027)
55mm STRIKING FACE RING SPANNER: HB20G-90101
150mm NEEDLE-NOSE PLIERS: 090012-32001
8x150mm SLOTTED SCREWDRIVER: 090012-41005
Optional and Maintenance Items
HYDRAULIC HOSE ASSEMBLY: 1064525
STICKERS: Back Head (090200-04207), Accumulator (090200-04208), or Warning (090200-04344)
SWIVEL ADAPTER ASSEMBLY: 902407-340010
SWIVEL BODY: 002407-340010
SWIVEL ADAPTER: 002407-340020
SPACER: 002407-340030 (A) or F35-34204 (B)
HIGH PRESSURE GAS CHARGING KIT: 002407-920010
PRESSURE GAUGE: 002407-920140
CHARGING HOSE: 001200-80015
