4206344 Arm Cylinder Seal Kit for Hitachi EX100 EX100M EX120 Excavators
Aftermarket 4206344 arm cylinder seal kit. Compatible with Hitachi EX100, EX100M, and EX120 excavators. Engineered for reliable leak prevention and standard hydraulic cylinder maintenance. Built for durability and precise fitment.
Brand: WINSCHEN
Country of Origin: CHINA
Minimum order quantity: 1 SET
Delivery time: 1-3 Days
SKU: HIT-4206344
4206344 Arm Cylinder Seal Kit for Hitachi Equipment
Address hydraulic fluid leaks and restore proper arm cylinder pressure with the WINSCHEN 4206344 Seal Kit. Engineered to meet the rigorous operational standards of Hitachi excavators, this aftermarket seal kit provides the essential elastomeric components required to fully rebuild and service your hydraulic cylinder assemblies.
Key Features
- Direct Replacement: Manufactured to precise OEM dimensional tolerances, ensuring a seamless fit and straightforward installation as a direct replacement for Hitachi part number 4206344.
- Industrial Durability: Constructed from fluid-resistant polyurethane and high-grade rubber compounds designed to withstand continuous internal friction, high pressure spikes, and environmental contaminants typical in earthmoving applications.
- Cost-Effective Maintenance: A highly functional aftermarket alternative that meets original equipment specifications, providing a reliable solution for hydraulic cylinder rebuilding and minimizing routine equipment downtime.
Compatible Equipment Models
Based on official catalog cross-reference data, the 4206344 arm cylinder seal kit is engineered for the following Hitachi excavator models:
- Excavators: EX100, EX100M, EX120
Parts List Reference
| Pos. | Part No | Qty | Parts name |
|---|---|---|---|
| 4187912 | 1 | CYL.;ARM | |
| 1-31. | 4206338 | 1 | CYL. (PIPELESS) |
| 1. | 4227362 | 1 | TUBE;CYL. |
| 1A. | 0310901 | 1 | TUBE;CYL. |
| 1B. | 0174403 | 1 | BUSHING |
| 2. | 4227363 | 1 | ROD;PISTON |
| 2A. | 0310902 | 1 | ROD;PISTON |
| 2B. | 0174403 | 1 | BUSHING |
| 3. | 0310903 | 1 | HEAD;CYL. |
| 4. | 0309304 | 1 | BUSHING |
| 5. | 0208604 | 1 | RING;RETAINING |
| 6. | 0309305 | 1 | RING |
| 7. | 0208605 | 1 | PACKING;U-RING |
| 8. | 0208606 | 1 | RING;BACK-UP |
| 9. | 0309306 | 1 | RING |
| 10. | 0208607 | 1 | RING;WIPER |
| 11. | A811110 | 1 | O-RING |
| 12. | 0310904 | 1 | RING;BACK-UP |
| 13. | 0310905 | 8 | BOLT;SOCKET |
| 14. | 0310906 | 1 | PISTON |
| 15. | 0225614 | 1 | RING;SEAL |
| 16. | 0310907 | 2 | RING |
| 17. | 0310908 | 2 | RING |
| 18. | 0309010 | 1 | NUT |
| 19. | 0309011 | 1 | SCREW;SET |
| 20. | 0111707 | 1 | BALL;STEEL |
| 21. | 0310909 | 1 | BRG.;CUSHION |
| 30. | J75581 | 1 | FITTING |
| 31. | 0309013 | 1 | SHIM |
| 53. | 0310910 | 1 | PIPE |
| 53A. | 4174542 | 1 | PLUG |
| 53B. | 4506424 | 1 | O-RING |
| 54. | 0310911 | 1 | PIPE |
| 54A. | 4174542 | 1 | PLUG |
| 54B. | 4506424 | 1 | O-RING |
| 55. | 4506430 | 2 | O-RING |
| 56. | 0309019 | 8 | BOLT;SOCKET |
| 57. | 0309021 | 2 | CLAMP;PIPE |
| 58. | 0309022 | 2 | BOLT |
| 59. | 0208516 | 2 | WASHER;SPRING |
| 62. | 0178820 | 2 | BOLT |
| 63. | A590910 | 2 | WASHER;SPRING |
| 64. | 0310912 | 2 | BAND |
Specifications
| Part Number | 4206344 |
| Part Type | Arm Cylinder Seal Kit |
| Application | Hydraulic Cylinder Rebuild |
| Brand | WINSCHEN |
| SKU | HIT-4206344 |
| MOQ | 1 SET |
| Delivery Time | 1-3 Days |
To ensure proper fitment, please verify your machine’s exact model, equipment serial number, and original hydraulic cylinder configuration with our support team prior to purchasing. We offer fast global shipping to keep your heavy machinery operating efficiently.
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