KOMATSU 566-13-43140 O-Ring
Product Overview
The KOMATSU 566-13-43140 O-Ring is a Genuine Komatsu OEM sealing component designed to provide a leak-free seal between mating components in the machine’s power train and hydraulic systems. It prevents the leakage of lubricants or hydraulic fluids while protecting internal assemblies from the ingress of dust, dirt, moisture, and other contaminants. Manufactured to Komatsu’s OEM engineering standards, the 566-13-43140 O-Ring delivers reliable sealing performance, precise fitment, and long service life in demanding construction, mining, quarrying, and heavy-duty haulage applications.
Designed as a direct OEM replacement, this O-ring helps maintain system pressure, preserve fluid integrity, and restore original equipment performance.
Key Features
- Genuine Komatsu OEM O-Ring
- Part Number: 566-13-43140
- Provides a reliable seal for hydraulic and lubricated assemblies
- Helps prevent fluid leakage and contamination
- Maintains hydraulic and power train system integrity
- Manufactured to Komatsu OEM specifications
- Direct OEM replacement
- Designed for durability and long service life
- Suitable for demanding construction, mining, quarrying, and heavy-duty industrial applications
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 566-13-43140 |
| Product Type | O-Ring |
| Function | Provides a fluid-tight seal between mating components |
| Installation | Direct OEM replacement |
| Brand | Komatsu |
Note: Komatsu has not publicly published additional specifications such as O-ring material, inside diameter, cross-section, hardness (durometer), operating pressure, temperature range, or weight for the 566-13-43140 O-Ring. Always verify the correct part using the machine serial number and the official Komatsu Parts Catalog before ordering.
Application Information
The KOMATSU 566-13-43140 O-Ring is a critical sealing component used in various power train and hydraulic assemblies. It creates a dependable seal between mating surfaces, preventing the loss of hydraulic oil or lubricants while protecting internal components from external contaminants. Proper sealing is essential for maintaining system pressure, maximizing component life, and ensuring reliable machine operation.
Manufactured to Komatsu OEM standards, the O-ring is designed to withstand:
- Continuous hydraulic system pressure
- Lubricating oil exposure
- Temperature fluctuations
- Heavy vibration and shock loads
- Dust, dirt, and moisture
- Severe construction, mining, and haulage operating environments
Proper installation and replacement during maintenance are essential to maintain leak-free operation and maximize component service life.
Compatible Komatsu Equipment
The KOMATSU 566-13-43140 O-Ring is used on a wide range of Komatsu equipment, including:
Crawler Dozers
- D375A-1
- D375A-2
- D375A-3
- D375A-5
- D375A-6
- D375A-8
- D375AI-8
Rigid Dump Trucks
- HD325-5
- HD325-6
- HD325-7
- HD325-8
- HD405-7
- HD465-7
- HD465-8
- HD605-7
- HD605-8
Articulated Dump Trucks
- HM350-1
- HM350-2
- HM400-1
- HM400-2
- HM400-3
- HM400-5
Compatibility varies depending on the machine serial number, production configuration, and component arrangement. Always verify compatibility using the machine’s identification information before ordering.
Additional Compatibility Information
The 566-13-43140 O-Ring is a configuration-specific sealing component. Before installation, verify:
- Machine model
- Machine Serial Number
- Product Identification Number (PIN)
- Assembly or component location
- Existing O-ring part number
- System configuration
Any modifications to the original machine configuration may affect compatibility. Verification through the official Komatsu Parts Catalog or an authorized Komatsu dealer is recommended before installation.
Benefits
Installing a genuine KOMATSU 566-13-43140 O-Ring helps:
- Restore reliable sealing performance
- Prevent hydraulic fluid and lubricant leaks
- Protect internal components from contamination
- Maintain proper hydraulic and power train system pressure
- Improve equipment reliability
- Reduce maintenance-related downtime
- Preserve original OEM system performance
- Deliver OEM-quality fit, durability, and long-lasting sealing performance in demanding heavy-duty applications.
- Brand New / Genuine Surplus Komatsu Part
- Professionally inspected before dispatch
- Ready for immediate shipment (subject to stock availability)
Worldwide Shipping
We maintain ready-to-ship inventory for many Caterpillar parts. Orders are dispatched the same business day upon receipt of bank payment, with fast worldwide delivery available via DHL and FedEx.
Disclaimer: We are an independent supplier of genuine surplus Komatsu parts. We are not an authorized Komatsu distributor or dealer. All trademarks, product names, and model numbers are used solely for identification purposes.
