707-99-66210 Steering Cylinder Seal Kit Fits Komatsu WA800-1-2-3 WA900-1-3
| Part Number | 707-99-66210 |
| Part Name | Steering Seal Kit |
| CertifiCATEEion | ISO 9000 |
| Packaging Details | Bag or box + carton |
| Delivery Time | 2-5 days upon payment confirmation |
| Brand | Huilian/KOKO SHOP, OEM or as Required |
| Payment Terms | TT/Paypal/Western Union |
| MOQ | 1 set |
| Material | TPU + NBR + PTFE |
| Features | High temperature resistance Hydraulic rock hammer seal kit |
| Type | Hydraulic rock Breaker seal kit |


We also support the following hydraulic breaker components:
| Component Type | Supported Models |
|---|---|
| Through/Side Bolt | SB40 SB43 SB45 SB50 SB60 SB70 SB81 SB100 SB121 SB131 SB141 SB151 |
| Chisel Rod | HB15G 20G 30G 40G F22 F35 F45 |
| Inner Outer Bushing | EDT400 EDT435 EDT800 EDT2000 EDT2000F EDT2200A EDT3500F EDT4500 |
| Rod Pin | GB1T GB2T GB3T GB4T GB6T GB8T GB11T GB175 GB180 GB630E GB210D |
| Piston | RHB305 RHB313 RHB322/325/326 RHB323/321 RHB330 RHB324/326 RHB180 |
| Piston Ring | TNB5M TNB7E TNB7J TNB16B TNB141 TNB150 TNB151 TNB190 TNB230 TNB310 |
| Reversing Control Valve | THBB801 THBB1400 THBB1600 THBB175L THBB190 |
| Accumulator | BLTB40 BLTB45 BLTB53 BLTB70 BLTB75 BLTB190 BLTB200 BLTB205 BLTB210 |
| Nitrogen Gas Charging Valve | SB40 SB43 SB45 SB50 SB60 SB70 SB81 SB100 SB121 SB131 SB141 SB151 |
| Nitrogen Gas Charger Kit | HB15G 20G 30G 40G F22 F35 F45 |
| Oil Seal Kit | EDT400 EDT435 EDT800 EDT2000 EDT2000F EDT2200A EDT3500F EDT4500 |
| Rubber Diaphragm | GB1T GB2T GB3T GB4T GB6T GB8T GB11T GB175 GB180 GB630E GB210D |
| Cylinder Front Head | RHB305 RHB313 RHB322/325/326 RHB323/321 RHB330 RHB324/326 RHB180 |
| Cylinder Back Head | TNB5M TNB7E TNB7J TNB16B TNB141 TNB150 TNB151 TNB190 TNB230 TNB310 |
| Cylinder | THBB801 THBB1400 THBB1600 THBB175L THBB190 |
| Main Body | BLTB40 BLTB45 BLTB53 BLTB70 BLTB75 BLTB190 BLTB200 BLTB205 BLTB210 |
- Engine Parts: cylinder block, cylinder head, liner kits, con rod, engine bearing, in/ex valve, valve seat, gasket kit, head gasket, crankshaft, cam shaft, water pump, fuel pump, oil pump, turbocharger, nozzle, oil cooler assembly, manifold exhaust etc.
- Seal Kits: boom/arm/bucket cylinder seal kit, hydraulic pump seal kit, swing motor seal kit, travel motor seal kit, control valve seal kit, adjuster seal kit, center joint seal kit, gear pump seal kit, regulator seal kit, breaker seal kit, bulldozer seal kit etc.
- Hydraulic Parts: hydraulic pump, swing motor assembly, travel motor assembly, gearbox, main control valve, foot valve, operating rod assembly, pilot pump, regulator, center joint, relief valve, bearing, hydraulic spare parts, gear, etc.
- Electronic Parts: starter motor, alternator, step motor, sensor, pressure switch, solenoid valve, stop solenoid, ignition switch, controller, monitor, A/C, heater motor etc.
- Undercarriage Parts: carrier roller, track roller, idler, sprocket, adjuster cylinder assembly, track shoe, track link, bucket, bucket bushing, bucket teeth, teeth adapter, bolt and nut etc.
- Filters: oil filter, fuel filter, hydraulic filter, air filter, oil water separator etc.
- Quick-wear Parts: radiator, hydraulic tank, intercooler radiator, evaporator, fan blade, sub water tank, light, pulley, fuel tank cap, oil tank cap, lock wiper blade, grease fitting, universal joint, etc.
- Rubber Parts: coupling, engine cushion, belt
Huilian Machine Equipment Co., Ltd. (KOKO SHOP)
With over 17 years of industry dedication, Guangzhou Huilian Hydraulic Technology Co., Ltd. is a professional manufacturer specializing in full-series excavator attachments. Our comprehensive product portfolio covers hydraulic breakers, complete hydraulic breaker spare parts, quick couplers, excavator rippers, hydraulic shears, earth augers, hydraulic grabs, orange peel grapples, hydraulic power thumbs and grab buckets. Adhering to the core tenet of "Quality Changes the Future", we focus heavily on the R&D, precision production and after-sales service of high-end hydraulic breakers. As a national high-tech enterprise in China, we adopt intelligent manufacturing strategies and persistent technological innovation to break core industrial technical bottlenecks, leading the development of heavy-duty hydraulic breaker technology. Our HL40 to HL210 breaker series fully adapts to excavators ranging from 0.5 to 100 tons. Beyond finished equipment, we provide professional OEM manufacturing for mainstream global hydraulic hammer brands. Equipped with mature technical databases and standard precision drawings, we supply a full range of qualified parts including seal kits, pistons, diaphragms, cylinders, front and back heads, chisels, accumulators, bushings, through bolts, valve sleeves and charging kits, all complying with original factory performance standards. We strive to be your reliable one-stop supplier for excavator attachments, delivering high-precision, durable and cost-effective products to minimize your equipment downtime.


- Hydraulic Breaker seal kit
- Excavator seal kit
- Crane seal kit
- Wheel Loaders seal kit
- Crawler Dozers seal kit
- Pump seal kit, Motor seal kit
- Dump Trucks seal kit
- Wear Ring/ O-ring / X-ring
- Center Swing seal (ROI /SWR)
- Track adjuster seal (OUY)
- Control lever and pedal level
- PTFE Seals: Rod Seals, Piston Seals, Rotary Seals
1. Q: Are you a manufacturer or a trading company?
A: We are a direct professional manufacturer, with more than 17 years of accumulated experience in high-precision component production.
2. Q: Do you provide product warranties?
A: Absolutely. We provide exclusive targeted warranty coverage for every single one of our products.
3. Q: What quality control measures do you implement?
A: We have a dedicated, experienced in-house QC team. All products from each order will undergo strict inspection and full functional testing before shipment.
4. Q:Do you support wholesale and distributor cooperation?
A: Yes. We sincerely welcome global wholesalers, distributors and long-term strategic partners, and we will provide highly competitive direct factory prices for all cooperative customers.
5. Q:Do you support customization?
A: Customization is fully supported. We can manufacture customized parts per your needs, upon your provision of part dimensions or technical drawings. With 17 years of professional manufacturing experience, we have been consistently supplying high-quality OEM parts for hydraulic breakers across all brands and models.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.