464-2937 456-0200 350-0973 BOOM CYLINDER Seal Caterpillar
$1.00
464-2937 456-0200 350-0973 BOOM CYLINDER Seal O RING RING BACKUP Caterpillar 320D2 E320D2 323 E320 Excavator Spare Parts
Number:464-2937 456-0200 350-0973
Type:BOOM CYLINDER Seal O RING RING BACKUP
Application:Caterpillar 320D2 E320D2 323 E320 Excavator
Place of Origin:China/Japan
Packing: Fumigate Seaworthy Packing
Engine Brand: ISUZU/HINO/MITSUBISHI
Excavator Brand: New Holland/KOBELCO/HITACHI





0.225-4595 266-7988 289-7983 349-4146 418-5481 418-8812 225-4577 225-4580 225-4580 225-4591 CYLINDER
1. 154-0736 J
Caterpillar 325D SEAL-LIP TYPE
2. 154-0738 J
Caterpillar 325D RING-BACKUP
3. 154-0737 J
Caterpillar 325D SEAL-U-CUP
4. 154-0739 J
Caterpillar 325D SEAL-BUFFER
5. 096-5625 Caterpillar 325D BUSHING
6. 094-1931 Caterpillar 325D RING-RETAINING
7. 194-8349 Caterpillar 325D HEAD
8. 4I-3628 M
[12] BOLT-SOCKET HEAD (M18X2.5X80-MM)
9. 095-1721 J
Caterpillar 325D SEAL-O-RING
10. 4I-3627 J
Caterpillar 325D RING-BACKUP
11. 234-4567 Caterpillar 325D CYLINDER AS
11A. 228-5654 Caterpillar 325D BUSHING
12. 234-4568 Caterpillar 325D ROD AS
12A. 235-7771 Caterpillar 325D BUSHING
13. 4I-8869 Caterpillar 325D STOP
14. 126-1876 J
Caterpillar 325D RING-SEAL
15. 4I-3631 J
[2] RING-BACKUP
16. 096-1570 J
Caterpillar 325D SEAL AS
17. 247-8874 J
[2] RING
18. 096-1571 J
[2] RING
19. 247-8873 Caterpillar 325D PISTON
20. 096-6210 M
Caterpillar 325D SETSCREW-SOCKET (M14X2X14-MM)
21. 4B-9880 Caterpillar 325D BALL
22. 166-1495 [2] SEAL-LIP TYPE
23. 9X-4597 [2] SEAL-LIP TYPE
24. 3B-8489 Caterpillar 325D FITTING-GREASE (1/8-27 PTF)
AVAILABLE REPAIR KIT(S):
259-0648 J KIT-SEAL (BOOM CYLINDER)
1. 133-6904 J
Caterpillar 325D SEAL-LIP TYPE
2. 121-1372 J
Caterpillar 325D RING-BACKUP
3. 121-1371 J
Caterpillar 325D SEAL-U-CUP
4. 204-3623 J
Caterpillar 325D SEAL-BUFFER
5. 096-5625 Caterpillar 325D BUSHING
6. 094-1931 Caterpillar 325D RING-RETAINING
7. 194-8349 Caterpillar 325D HEAD
8. 4I-3628 M
[12] BOLT-SOCKET HEAD (M18X2.5X80-MM)
9. 266-7968 J
Caterpillar 325D SEAL-O-RING
10. 4I-3627 J
Caterpillar 325D RING-BACKUP
11. 234-4567 Caterpillar 325D CYLINDER AS
11A. 228-5654 Caterpillar 325D BUSHING
12. 234-4568 Caterpillar 325D ROD AS
12A. 235-7771 Caterpillar 325D BUSHING
13. 4I-8869 Caterpillar 325D STOP
#SEBP44170722
Pos. Part No Qty Parts name Comments
14. 126-1876 J
Caterpillar 325D RING-SEAL
15. 4I-3631 J
[2] RING-BACKUP
16. 096-1570 J
Caterpillar 325D SEAL AS
17. 247-8874 J
[2] RING
18. 096-1571 J
[2] RING
19. 247-8873 Caterpillar 325D PISTON
20. 096-6210 M
Caterpillar 325D SETSCREW-SOCKET (M14X2X14-MM)
21. 4B-9880 Caterpillar 325D BALL
22. 166-1495 [2] SEAL-LIP TYPE
23. 9X-4597 [2] SEAL-LIP TYPE
24. 3B-8489 Caterpillar 325D FITTING-GREASE (1/8-27 PTF)
AVAILABLE REPAIR KIT(S):
266-8015 J
Caterpillar 325D KIT-SEAL (HYDRAULIC CYLINDER)(BOOM) 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.
