4206345 4206343 4206340 Cylinder OIL SEAL KIT Hitachi EX100 EX120
Number: 4206345 4206343 4206340
Type: Cylinder SEAL KIT OIL KITS
Application: Hitachi EX100 EX100M EX100W EX120
Place of Origin:China/Japan
Packing: Fumigate Seaworthy Packing
Engine Brand: ISUZU/HINO/MITSUBISHI
Excavator Brand: New Holland/KOBELCO/HITACHI
4206345 4206343 4206340 ARM BOOM BUCKET Cylinder SEAL KIT OIL KITS Hitachi EX100 EX100M EX100W EX120 Excavator Parts
Number: 4206345 4206343 4206340
Type: Cylinder SEAL KIT OIL KITS
Application: Hitachi EX100 EX100M EX100W EX120
Place of Origin:China/Japan
Packing: Fumigate Seaworthy Packing
Engine Brand: ISUZU/HINO/MITSUBISHI
Excavator Brand: New Holland/KOBELCO/HITACHI


4187909 [1] CYL.;BUCKET 0310600B
1-32. 4206336 [1] CYL.(PIPELESS)
1. 4227371 [1] TUBE;CYL.(WITH BUSHING)
1A. 0310601 [1] TUBE;CYL.
1B. 0310513 [1] BUSHING;PIN
2. 4227372 [1] ROD;PISTON(WITH BUSHING)
2A. 0310602 [1] ROD;PISTON
2B. 0174403 [1] BUSHING
3. 0310603 [1] HEAD;CYL.
4. 0310604 [1] BUSHING
5. 4510494 [1] RING;RETAINING
6. 0225613 [1] RING
7. 0225611 [1] PACKING;U-RING
8. 0225612 [1] RING;BACK-UP
9. 0310605 [1] RING
10. 0225610 [1] RING;WIPER
11. A811090 [1] O-RING
12. 0310606 [1] RING;BUCK-UP
13. 0163406 [8] BOLT;SOCKET
14. 0310607 [1] PISTON
15. 0310608 [1] RING;SEAL
16. 0310609 [2] RING
17. 0310610 [2] RING
18. 0310611 [1] NUT
19. 0310612 [1] SCREW;SET
20. 0111818 [1] BALL
21. 0310613 [1] SHIM
31. J75481 [1] FITTING
32. J75581 [1] FITTING
54. 0310614 [1] PIPE
55. 0310615 [1] PIPE
56. 4509181 [2] O-RING
57. M340825 [8] BOLT;SOCKET
58. 0310616 [2] CLAMP;PIPE
59. 0310617 [2] BOLT
60. 0208516 [2] WASHER;SPRING
63. 0178820 [4] BOLT
64. A590910 [4] WASHER;SPRING
65. 0310618 [2] BAND ASS’Y
66. 0310619 [2] BAND
100. 4206345 [1] KIT;SEAL
4187908 [1] CYL.;ARM 0310500B
1-31. 4206335 [1] CYL.(PIPELESS)
1. 4227369 [1] TUBE;CYL.(WITH BUSHING)
1A. 0310501 [1] TUBE;CYL.
1B. 0310513 [1] BUSHING;PIN
2. 4227370 [1] ROD;PISTON(WITH BUSHING)
2A. 0310502 [1] ROD;PISTON
2B. 0310513 [1] BUSHING;PIN
3. 0310503 [1] HEAD;CYL.
4. 0310504 [1] BUSHING
5. 0240904 [1] RING;RETAINING
6. 0240913 [1] RING
7. 0240911 [1] PACKING;U-RING
8. 0240912 [1] RING;BACK-UP
9. 0310505 [1] RING
10. 0240910 [1] RING;WIPER
11. A811100 [1] O-RING
12. 0310506 [1] RING;BACK-UP
13. 0163406 [8] BOLT;SOCKET
14. 0310507 [1] PISTON
15. 0310508 [1] RING;SEAL
16. 0310509 [2] RING
17. 0310510 [2] RING
18. 0310511 [1] NUT
19. 0309011 [1] SCREW;SET
20. 0111707 [1] BALL;STEEL
21. 0310512 [1] BRG.;CUSHION
30. J75581 [1] FITTING
31. 0310514 [1] SHIM
53. 0310515 [1] PIPE
53A. 4174542 [1] PLUG
53B. 4506424 [1] O-RING
54. 0310516 [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. 0310517 [2] BAND ASS’Y
100. 4206343 [1] KIT;SEAL
4187906 [1] CYL.;BOOM (R) 0310300B
1-37. 4206334 [1] CYL. (PIPELESS)
1. 4227366 [1] TUBE;CYL.(WITH BUSHING)
1A. 0310301 [1] TUBE;CYL.
1B. 0310307 [1] BUSHING;PIN
2. 4227368 [1] ROD;PISTON(WITH BUSHING)
2A. 0310302 [1] ROD;PISTON
2B. 0174403 [1] BUSHING
3. 0310303 [1] HEAD;CYL.
4. 0310304 [1] BUSHING
5. 0271304 [1] RING;RETAINING
6. 0271311 [1] RING
7. 0271309 [1] PACKING;U-RING
8. 0271310 [1] RING;BACK-UP
9. 0310305 [1] RING
10. 0271308 [1] RING;WIPER
11. A811090 [1] O-RING
12. 0310606 [1] RING;BUCK-UP
13. 0163406 [8] BOLT;SOCKET
14. 0310306 [1] BRG.;CUSHION
15. 0310607 [1] PISTON
16. 0310608 [1] RING;SEAL
17. 0310609 [2] RING
18. 0310610 [2] RING
19. 0310611 [1] NUT
20. 0310612 [1] SCREW;SET
21. 0111818 [1] BALL
22. 0310613 [1] SHIM
37. J75581 [1] FITTING
55. 0310308 [1] PIPE
56. 0310309 [1] PIPE
56A. 4174541 [1] PLUG
56B. 4506418 [1] O-RING
57. 4509181 [2] O-RING
58. 0310310 [4] BOLT;SOCKET
59. 0309019 [4] BOLT;SOCKET
60. 0310311 [1] BAND
61. 0310619 [1] BAND
62. 0178820 [2] BOLT
63. A590910 [2] WASHER;SPRING
64. 0310312 [2] CLAMP;PIPE
65. 0224115 [1] BOLT
66. 0208516 [1] WASHER;SPRING
100. 4206340 [1] KIT;SEAL










GZ Wins Construction Machinery Co., Ltd. is engaged in development, production, marketing and agency services.
We are a manufacturer of specialization and diversification engineering machinery parts. Our products are selling well in America, Europe, Southeast Asia, the Middle East, Africa and other countries and regions.
We Provide Original Genuine Kobelco Parts,Include the following;
Kobelco Air-conditioning System,A/C Assembly, A/C Hose,A/C Compressor,A/C Condenser,Blower Assembly,Evaporator,A/C Pipe,A/C Receiver, A/C Filter.
Kobelco Body & Stamping Parts,CAB Assy, Engine Mounting,Engine Hood, Car Body,Door Panel,Roof.
Kobelco Hydraulics System,Set plate,Piston shoe,Cylinder block,Valve plate,Drive shaft,Ball guide,Piston pump,Gear pump.
We Provide Genuine MITSUBISHI HINO ISUZU Engine Parts.
Hino:J05E, J08E, P11C.
Mitsubishi: D04FR,4M40,6D16,6D22,6D24,6D31,6D34.
Isuzu:4HK1,4JJ1,4LE1,4LE2,4JB1,4BG1,6HK1,6WG1,6BG1,6UZ1,6BD1.
KOBELCO:SK60-III SK60-5 ,SK75-8,SK120LC-III SK120-5 ,SK130LC,SK140-8 SK140SRLC ,SK150LC,SK160,SK170,SK200-3 SK200-5 SK200LC-6E? SK200SR SK200-8,SK210LC-6E SK210LC-8, SK235SR,SK250LC-6E SK250 SK250-8,SK260-8 SK260-9,SK270,SK290LC,SK300LC-2 SK300LC-3 ,SK330LC-6E SK330,SK330LC-6E SK330-8 SK330-6,SK350-8 SK350LC SK350-9 ,SK460?SK460LC-IV SK480LC-6E SK460-8 SK480-6S ,SK485LC SK485-8 .
Kobelco Engine Assy,Engine Gasket Kits,Camshaft,Sprocket Camshaft,Tensioner,Crankshaft,Crankshaft Pulley,Crankshaft Bearing,Valve,Valve Seat,Valve Arm,Rocker Cover,Valve Spring,Valve Guide,Cylinder Head,Cylinder Liner,Cylinder Block,Washer,Piston,Piston Pin,Piston Ring,Piston Liner,Flywheel,Ring Gear of Flywheel,Timing Chain/Belt,Connecting Rod,Connecting Rod Bearing,Rocker Arm Shaft,Valve Cotter,Thrust Washer.
Injection Fueling System,Air Cleaner,Air Cleaner Cover,Exhaust Muffler,Exhaust Manifold,Exhaust Pipe,Intake Manifold,EGR Tube,Radiator,Water Hose,Fan,Thermostat,Oil Pan,Oil Level Gauge,Oil Filter.

Global Logistics & Secure Transit
We deliver high-performance construction machinery parts to wholesalers, repair shops, and operators worldwide. To minimize your machinery downtime, we offer flexible shipping options tailored to your urgency and budget:
Our Reliable Shipping Methods:
- Express Delivery (DHL, FedEx, UPS): 3–7 business days worldwide. Best for urgent orders (e.g., electronic controllers, injector nozzles, seal kits).
- Standard & Economy Shipping: 7–21 days depending on the destination. Ideal for cost-effective transit with full end-to-end tracking.
- Sea Freight & Air Cargo: Recommended for heavy assemblies such as complete engine blocks, hydraulic main pumps, and undercarriage track links.
Dispatch Timeline:
- Orders for in-stock items placed before 2:00 PM (GMT+8, Monday–Friday) are dispatched the same day.
- Later orders or customized orders will be shipped the next working day.
Critical Selection Reminder: Please make sure your Part Numbers match our product listings. If you are unsure, simply contact our engineering team via WhatsApp. We will cross-verify compatibility using official electronic catalogs (SIS/EPC) based on your machinery nameplate.
Payment Methods & Export Terms
To ensure a smooth B2B procurement experience, WinsParts supports multiple secure global payment methods:
- International Credit/Debit Cards: Secure online processing via Visa, Mastercard, and major global gateways.
- Digital Wallets: Fast and verified transfers via PayPal and Stripe.
- Bank Telegraphic Transfer (T/T): Recommended for large-scale wholesale orders. A formal Proforma Invoice (PI) containing our official corporate bank details will be sent via email upon order confirmation.
Export Customs & VAT Policy:
- All prices displayed on our website are exclusive of local VAT and destination import duties unless specified otherwise.
- Full shipping documentation—including Commercial Invoices, Packing Lists, and Certificates of Origin (CO)—is provided with every shipment to ensure seamless customs clearance in your country.
Gz Wins Construction Engineering Co., Ltd. is a premier manufacturer and global supplier specializing in the diversification of engineering machinery parts. With over a decade of industry expertise, we integrate development, production, and professional marketing to provide a one-stop solution for the world’s most demanding machinery brands.
We don’t just sell parts; we manage reliability. Our products are rigorously tested and successfully exported to America, Europe, Southeast Asia, the Middle East, and Africa. We pride ourselves on maintaining a massive inventory that ensures your machinery downtime is kept to an absolute minimum.
Strategic Brand Specialization
We are the preferred choice for heavy machinery operators who prioritize uptime and performance. Our inventory is specifically optimized for:
KOBELCO Excavators: * Unrivaled stock of Genuine Engine Components series.Full range of Hydraulic Pump & Valve solutions to restore factory-speed operation.
HITACHI Excavators: * Comprehensive parts support for Zaxis series, from ISUZU engine internals to advanced electronic controllers.
Why Professional Buyers Choose Us:
Technical Match Precision: We use official parts catalogs to ensure 100% compatibility based on your machine’s serial number.
Global Supply Strength: Specialized export experience to America, Europe, and the Middle East ensures smooth logistics for your KOBELCO and HITACHI parts.
