CAT 602-5251 Oil Temperature Sensor Wiring Harness
Product Overview
The CAT 602-5251 Oil Temperature Sensor Wiring Harness is a genuine Caterpillar OEM oil temperature sensor wiring harness designed to provide reliable electrical power and signal transmission between the oil temperature sensor and the engine’s electronic control system. Engineered to Caterpillar’s exact OEM specifications, this harness ensures accurate temperature signal communication from the engine cylinder block, helping maintain optimal engine monitoring, protection, and performance.
Manufactured using premium-grade insulated wiring, durable protective sleeving, and OEM-quality sealed connectors, the 602-5251 Oil Temperature Sensor Wiring Harness is built to withstand vibration, heat, oil exposure, moisture, and harsh operating conditions. As a direct OEM replacement, it provides seamless integration with Cat engine electrical systems while maintaining factory reliability and simplifying maintenance.
Key Features
- Genuine Caterpillar OEM Oil Temperature Sensor Wiring Harness
- Part Number: 602-5251
- Designed specifically for engine oil temperature sensor applications
- Provides reliable electrical power and signal transmission
- Connects the oil temperature sensor to the engine control system
- Engineered for installation on the engine cylinder block
- High-quality OEM sealed connectors
- Heavy-duty insulated wiring for harsh operating environments
- Resistant to heat, vibration, moisture, oil, and abrasion
- Direct OEM replacement for simplified installation
- Designed for long service life and dependable engine monitoring performance
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 602-5251 |
| Product Type | Oil Temperature Sensor Wiring Harness |
| Component Type | Electrical Wiring Harness |
| Function | Electrical power and signal transmission |
| Sensor Type | Engine Oil Temperature Sensor |
| Installation Location | Engine Cylinder Block |
| Connector Type | OEM Caterpillar sealed connectors |
| Protective Covering | Heavy-duty insulated wiring |
| Installation | Direct OEM replacement |
| Brand | Caterpillar (CAT) |
Note: Caterpillar has not published detailed dimensional or electrical specifications for this wiring harness.
Application Information
The CAT 602-5251 Oil Temperature Sensor Wiring Harness is designed to provide dependable electrical connectivity between the engine oil temperature sensor and the machine’s electronic control system. It enables accurate transmission of oil temperature data, allowing the ECM to monitor engine operating conditions and support proper engine protection strategies.
The harness supports:
- Engine oil temperature sensor connectivity
- Electrical power distribution to the sensor
- Accurate temperature signal transmission
- Engine monitoring and diagnostics
- Reliable communication with the Electronic Control Module (ECM)
- Protected wire routing for long-term durability
Its rugged construction ensures dependable performance in high-temperature engine compartments exposed to vibration, oil, moisture, and contaminants.
Compatible Caterpillar Equipment
The CAT 602-5251 Oil Temperature Sensor Wiring Harness is compatible with the following Caterpillar equipment:
Generator Sets
- DE350SGC
- DE400GC
- DE400SGC
- DE450GC
- DE450SGC
- DE500GC
- DE500SGC
- DE550GC
Generator Set Engine
- C13
Compatibility should always be verified using the equipment Product Identification Number (PIN) or engine serial number before ordering, as wiring harness configurations may vary by engine arrangement and generator set configuration.
Additional Compatibility Information
The 602-5251 Oil Temperature Sensor Wiring Harness is a configuration-specific electrical component. Before installation, verify:
- Generator set or engine model
- Product Identification Number (PIN)
- Engine serial number
- Existing harness part number
- Oil temperature sensor configuration
- Connector type and pin configuration
- Engine electrical system arrangement
- Applicable ECM configuration
Changes to the original equipment configuration may affect compatibility. Confirmation through Caterpillar parts information or an authorized Cat dealer is recommended.
Benefits
Installing a genuine CAT 602-5251 Oil Temperature Sensor Wiring Harness helps:
- Ensure accurate engine oil temperature monitoring
- Maintain reliable communication between the oil temperature sensor and ECM
- Improve engine protection and diagnostic accuracy
- Reduce downtime caused by damaged or failed wiring
- Protect wiring from heat, vibration, oil, and environmental contaminants
- Simplify maintenance with an OEM direct-fit replacement
- Extend the service life of the engine’s electrical system
- Deliver OEM-quality fit, durability, and long-lasting electrical performance
- 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.