4451039 SEAL KIT MAIN HYDRAULIC PUMP Hitachi
$1.00
4451039 SEAL KIT MAIN HYDRAULIC PUMP Hitachi ZX225 ZX200LC-5G ZX160LC-3 ZX200-3 ZX250 ZX280LC Excavator Spare Parts
Number:4451039
Type:SEAL KIT MAIN HYDRAULIC PUMP
Application:Hitachi ZX225 ZX200LC-5G ZX160LC-3 ZX200-3 ZX250 ZX280LC
Place of Origin:China/Japan
Packing: Fumigate Seaworthy Packing
Engine Brand: ISUZU/HINO/MITSUBISHI
Excavator Brand: New Holland/KOBELCO/HITACHI








35. CH17951 [12] Ring
36. 4200227 [2] Dowel Pin SUB FOR TH109878
41. 1027131 [1] Cylinder Head SUB FOR TH1027131
42. 3069541 [2] Piston SUB FOR AT213762
43. 4338053 [2] Pin SUB FOR AT213876
44. 4337812 [2] Set Screw SUB FOR AT213875
46. 4355085 [2] O-Ring SUB FOR AT213975
47. 4338060 [2] Stop SUB FOR AT213877
50. 4355083 [2] O-Ring SUB FOR AT213974 OR 0444001
51. 4338061 [2] Cover SUB FOR AT213878
54. CH11560 [20] Packing
55. 19M8439 [16] Screw M8 X 25
56. 4514388 [8] Spring Washer SUB FOR TH101835
57. 3070581 [1] Packing SUB FOR AT213767
58. 34M7061 [2] Spring Pin 8 X 20 MM
59. 4342840 [1] O-Ring SUB FOR AT213890
60. 19M8341 [12] Screw M12 X 45
64. 4436271 [2] Sensor PUMP PRESSURE SUB FOR AT175981 OR TH4436271
64A. TH102560 [2] O-Ring 15.800 X 2.400 MM (0.622″ X 3/32″) SUB FOR AT175984
Pos. Part No Qty Parts name Comments
67. 9134110 [2] Fitting SUB FOR AT203649
67A. M800650 [2] Packing
69. 9207258 [1] Regulator SUB FOR TH9207258
70. 9207259 [1] Regulator SUB FOR TH9207259
72. 34M3845 [4] Spring Pin 4 X 10 MM
73. 4343074 [4] O-Ring SUB FOR AT213894
74. 4348665 [2] O-Ring SUB FOR AT213922
80. 9134111 [2] Fitting SUB FOR AT203648
80A. CH11570 [2] O-Ring 13.800 X 2.400 MM (0.543″ X 3/32″)
82. 4252767 [1] Bracket SUB FOR AT154206
83. 0209423 [1] Bolt SUB FOR TH100738
84. 12M7056 [1] Lock Washer 8 MM SUB FOR 12M7065
90. 4451039 [1] Seal Kit SUB FOR TH4451039 Excavator Engine Spare Parts










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.
