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Model:Komatsu KB155 Hydraulic breaker
Part Name:Hydraulic breaker seal kit,Hydraulic hammer seal kit
Tool Ø:135MM
Part Number:153510SK
Material:TPU+HNBR+PTFE
Packaging Details: bag or box +carton
Certification:IOS 9001
Delivery Time:2-5days upon payments confirmed
Position:Komatsu Hydraulic Breaker Systerm
Brand:TOPARTS, OEM or as Required
Payment Terms: TT/Paypal/WEST UNION
Supply Ability:50
MOQ:1set
Parts list
| Ltem No | Product Name | Q’ty | Part No |
| 1 | Cylinder | 1 | 15351010 |
| 2 | Piston | 1 | 21424090 |
| 3 | Cylinder Sleeve | 1 | 21424011 |
| Seal Kit (#1) | 1 | 153510SK | |
| 11A | Cylinder Sleeve O-Ring | 2 | E1022165 |
| 11B | Back-Up Ring | 3 | E2122165 |
| 13 | Sleeve U-packing | 3 | 31424012 |
| 15 | Cylinder U-packing | 3 | 31420013 |
| 19A | Flange Plug 1/8 | 2 | K10503 |
| 19B | O-Rrig P8B | 2 | E1012008 |
| 19C | Flange Plug 3/8 | 4 | K10509 |
| 19D | O-Rrig P14B | 4 | E1012014 |
| 19E | Flange Plug 1 | 2 | K10525 |
| 19F | O-Rrig P29B | 2 | E1012029 |
| Valve Box Ass’y(#2) | 1 | 21424150X | |
| 0 | Valve Box O-Ring Kit(#3) | 1 | 312B-VBOK |
| 21 | Valve Box | 1 | 21424150 |
| 23 | Valve | 1 | 21424160 |
| 24 | Valve Box Sleeve | 1 | 21424151 |
| 25 | Valve Cap | 1 | 21424161 |
| 27 | Valve Cap Bolt | 4 | A030A4549 |
| 28 | Valve Cap Bolt Washer | 4 | C810A020 |
| 29 | Plug | 1 | 100109065 |
| 33 | Valve Cap O-Ring | 1 | E1022065 |
| 35A | Valve Box O-Ring | 4 | E1012039 |
| 35B | Valve Box O-Ring | 1 | E1022055 |
| 37 | Valve Cap Bolt | 8 | A030A4569 |
| 38 | Valve Cap Bolt Washer | 8 | C810A020 |
| 39A | Flange Plug 3/8 | 2 | K10509 |
| 39B | O-Rrig P14B | 2 | E1012014 |
| 39C | Flange Plug 1/2 | 5 | K10512 |
| 39D | O-Rrig P18B | 5 | E1012018 |
| 39E | Flange Plug 1 | 1 | K10525 |
| 39F | O-Rrig P29B | 1 | E1012029 |
| 52 | Clamp Bolt | 8 | A030A3699 |
| 53 | Clamp Bolt Washer | 8 | C810A016 |
| 61 | Back Cap | 1 | 15352010 |
| 62A | Back Cap O-Ring | 1 | E1022200 |
| 62B | Back Cap Back-Up Ring | 1 | E2123200 |
| 69A | Flang Plug | 1 | K10519 |
| 69B | O-Ring | 1 | E10120224 |
| Gas Valve Body Ass’y(#4) | 1 | 21350350X | |
| 71 | Gas Valve Body | 1 | 21350350 |
| 72 | Gas Valve | 1 | 21350351 |
| 73 | Spring | 1 | 21321352 |
| 74 | Gas Cap | 1 | 21320353 |
| 75 | Cover Cap | 1 | 21320354 |
| 76 | Gas Valve Body O-Ring | 1 | E1012016 |
| 77 | Gas Valve O-Ring | 1 | E1161008 |
| 78 | Cover Cap Washer | 1 | 21320355 |
| 79 | Gas Cap Packing | 1 | 21350356 |
| Front Cap Ass’y(#5) | 1 | 15354000 | |
| 81 | Front Cap | 1 | 15354010 |
| 82 | Shank Bushing | 1 | 15354110 |
| 83 | Front Cap Bushing | 1 | 15404210 |
| 84 | Shaft 20×200 | 4 | 101120200 |
| 85 | Shaft Retainer 20 | 4 | 15204122 |
| 86A | Flange Plug GPF3/4 | 4 | K10519 |
| 86B | O-Ring P22.4B | 4 | E10120224 |
| 88 | Grease Nipple | 2 | 21310450 |
| 89A | Plug GM1/8 | 2 | K10103A |
| 89B | Plug GM3/8 | 2 | K10109A |
| Chisel Set Pin Ass’y(#6) | 1 | 15404300 | |
| 91 | Chisel Set Pin | 2 | 15404310 |
| 92 | Shaft 20X200 | 2 | 101120200 |
| 93 | Shaft Retainer 20 | 2 | 15204122 |
| 94A | Plug | 2 | 15204123 |
| 94B | O-Ring P22.4B | 2 | E10120224 |
| Side Rod Ass’y(#7) | 4 | 15322500 | |
| 101 | Side Rod | 4 | 15322510 |
| 102 | Side Rod Front Nut | 4 | 21422031 |
| 103 | Back Nut | 4 | 15322530 |
| 104 | Back Nut Washer | 4 | 15322531 |
| Adjuster Case Ass’y(#8) | 1 | 21382100X | |
| Adjuster Case O-Ring(#9) | 1 | 3082AK0K | |
| 111 | Adjuster Case | 1 | 21382111 |
| 112 | Adjuster | 1 | 21382110 |
| 113 | Adjuster O-Ring | 1 | E1162114 |
| 114A | Screw | 1 | A440A2369 |
| 114B | Adjuster Screw O-Ring | 1 | E1162114 |
| 115 | Adjuster Cover | 1 | 21381112 |
| 116A | Adjuster Case O-Ring | 4 | E1162113 |
| 116B | Adjuster Case O-Ring | 1 | E1162212 |
| 117 | Adjuster Case Set Bolt | 4 | A030A2429 |
| 118 | Bolt Washer | 4 | C810A010 |
| 119A | Plug | 2 | K10402 |
| Accumulator Ass’y(#10) | 1 | 15401400 | |
| 131 | Accumulator Body | 1 | 15401410 |
| 132 | Accumulator Cover | 1 | 15401421 |
| 133 | Accumulator Diaphragm | 1 | 154014311 |
| 136 | Gas Charging Valve | 1 | 15401442 |
| 137 | O-Ring | 1 | E1012005 |
| 138A | Cover Cap | 1 | 15401446 |
| 138B | Accumulator O-Ring | 1 | E1012014 |
| 139A | Plug | 1 | 15401448 |
| 139B | Accumulator O-Ring | 1 | E1012014 |
| 141 | Accumulator Set Screw | 12 | A030A4139 |
| 146A | Accumulater O-Ring | 1 | E1162231 |
| 146B | Back-Up Ring | 1 | 31380253 |
| 151 | Accumulator Set Bolt | 4 | 21381251 |
| 152 | Bolt Washer | 4 | C613A027 |
| 200 | Point Chisel | 1 | 154050120 |
| 200 | Flat End Chisel | 1 | 154050220 |
Exploded view
Product Description
Premium 153510SK Hydraulic Breaker Service Repair Kit for Komatsu KB155
Maintain the hard-hitting efficiency and operational uptime of your Komatsu KB155 hydraulic rock hammer with the 153510SK professional service repair kit. Engineered for 15 to 22-ton class excavators, the KB155 requires superior sealing integrity to withstand continuous high-pressure cycles during tough rock excavation, concrete demolition, and trenching jobs.
At Toparts, we manufacture our Komatsu-compatible kits using advanced Polyurethane (PU) and NBR formulations. These industrial-grade materials ensure a precision fit, preventing critical oil blow-by and protecting your heavy equipment investment from premature wear.
Product Highlights:
100% Precision Match: Specifically engineered to replace Komatsu Part Number 153510SK, guaranteeing a seamless, zero-gap installation on KB155 hammers.
Industrial-Grade Durability: Forged from premium PU with high tensile strength and tear resistance to handle the high-frequency vibrations of Komatsu demolition attachments.
Restore Impact Energy: Effectively seals both gas and oil chambers, preventing nitrogen leakage and fluid bypass to restore your hammer’s original factory hitting power.
Excellent Thermal Stability: Formulated to resist hardening and extrusion, maintaining optimal elasticity even during continuous operation in hot climates or deep quarries.
Complete Overhaul Set: Includes all critical rod seals, buffer seals, dust wipers, and specialized O-rings required for a professional-level cylinder rebuild.
Technical Specifications:
Brand Compatibility: Komatsu
Hammer Model: KB155
Part Number (P/N): 153510SK
Component Type: Hydraulic Breaker / Rock Hammer Service Kit
Material: Premium PU (P6000), NBR, PTFE + Bronze
Excavator Class: 15.0 – 22.0 Ton
Condition: 100% Brand New Industrial-Grade Aftermarket
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