CAT 289-9478 Harness Assembly
Product Overview
The CAT 289-9478 Harness Assembly is a Genuine Caterpillar OEM electrical wiring harness designed to provide reliable electrical connections between critical engine and machine electrical components. Manufactured to Caterpillar’s exact OEM specifications, this harness assembly ensures dependable power and signal transmission while maintaining the integrity of the equipment’s electrical system under demanding operating conditions. This part has been discontinued by Caterpillar, and customers should contact an authorized Cat dealer for replacement options or superseding part numbers.
The 289-9478 Harness Assembly is a factory-engineered electrical harness designed for direct integration into the original Caterpillar electrical system. As a Genuine Caterpillar OEM replacement part, it provides OEM-quality fit, connector integrity, and routing to help restore reliable electrical performance while minimizing installation time.
Key Features
- Genuine Caterpillar OEM Harness Assembly
- Part Number: 289-9478
- Complete electrical wiring harness assembly
- Factory-engineered electrical connections
- OEM-quality connectors for secure electrical continuity
- Designed for proper harness routing and installation
- Supports reliable power and signal transmission
- Built to withstand heavy-duty operating environments
- Direct OEM replacement manufactured to Caterpillar specifications
- Discontinued by Caterpillar (contact your Cat dealer for replacement options)
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 289-9478 |
| Product Type | Harness Assembly |
| Component Type | Electrical Wiring Harness |
| Function | Transfers electrical power and signals between machine components |
| Installation | Direct OEM replacement |
| Brand | Caterpillar (CAT) |
| Product Status | Discontinued |
Note: Caterpillar has not published additional specifications such as overall length, wire gauge, conductor material, insulation type, connector configuration, voltage rating, or operating temperature for the CAT 289-9478 Harness Assembly.
Application Information
The CAT 289-9478 Harness Assembly is used within Caterpillar electrical systems to provide dependable electrical communication between connected components. Properly engineered harness assemblies help maintain consistent electrical continuity, reduce the risk of intermittent electrical faults, and ensure reliable machine operation under vibration and demanding service conditions.
Manufactured to Caterpillar OEM standards, the harness assembly is designed to withstand:
- Continuous machine vibration
- Mechanical stress
- Heavy-duty operating conditions
- Engine compartment environments
- Industrial and marine applications
These characteristics help maintain dependable electrical performance and simplify service with a direct OEM replacement.
Compatible Caterpillar Equipment
The CAT 289-9478 Harness Assembly is compatible with the following Caterpillar Marine Engine models:
Marine Engines
- 3406C
- 3456
- C9
- C15
Compatibility should always be verified using the machine’s:
- Product Identification Number (PIN)
- Engine Serial Number
- Arrangement Number
- Existing harness assembly part number
Because this part has been discontinued, verification through Caterpillar Parts information or an authorized Cat dealer is recommended before ordering a replacement.
Additional Compatibility Information
The 289-9478 Harness Assembly is a configuration-specific electrical component. Before installation, verify:
- Engine model
- Engine serial number
- Product Identification Number (PIN)
- Existing harness assembly part number
- Connector configuration
- Harness routing
- Electrical system arrangement
- Engine arrangement number
Any modifications to the original equipment configuration may affect compatibility. Since this part has been discontinued, confirmation of the correct replacement through an authorized Cat dealer is recommended before installation.
Benefits
Installing a genuine CAT 289-9478 Harness Assembly helps:
- Restore reliable electrical connectivity
- Maintain consistent power and signal transmission
- Reduce the risk of intermittent electrical faults
- Ensure OEM-quality connector engagement and fit
- Simplify maintenance with a direct OEM replacement
- Preserve factory electrical system performance
- Support dependable engine operation
- Deliver OEM-quality durability and long-lasting reliability in demanding marine operating environments.
- Brand New / Genuine Surplus Caterpillar 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 Caterpillar parts. We are not an authorized Caterpillar distributor or dealer. All trademarks, product names, and model numbers are used solely for identification purposes.
