Sierra 18-7600 805218T Coolant Temp Sensor
Sierra 18-7600 805218T Coolant Temp Sensor — Product description
Precision Monitoring for Optimal Engine Performance
Keep your marine engine running at peak efficiency with this reliable coolant temperature sensor. Designed as a direct-fit replacement, it delivers accurate readings to help prevent overheating and ensure smooth operation during long days on the water. Whether you're cruising coastal waters or tackling rough offshore conditions, this sensor provides the dependable data your engine control system needs.
- Engineered for seamless integration with popular outboard and sterndrive setups.
- Constructed from durable materials to withstand corrosive saltwater environments.
- Fast response time for real-time temperature monitoring.
- Helps maintain proper cooling system function, extending engine life.
Why This Sensor Makes a Difference on the Water
A failing coolant temp sensor can lead to erratic gauge readings, warning lights, or even engine shutdowns—scenarios no boater wants mid-trip. This high-quality replacement restores precise temperature feedback, allowing your engine's ECU to adjust fuel mixtures and ignition timing accurately. Boat owners report fewer unexpected issues and better fuel economy after installation, making it a smart upgrade for preventative maintenance.
Unlike stock parts that wear out quickly in harsh marine conditions, this sensor features enhanced resistance to vibration and thermal cycling, ensuring longevity season after season.
Easy Fit for Common Marine Applications
This sensor matches the specifications of widely used OEM designs, sliding into place without modifications. It's a go-to choice for mechanics and DIY enthusiasts working on various powerheads and manifolds where coolant flow monitoring is critical.
Quick Installation Tips
- Drain the cooling system to avoid spills.
- Disconnect the wiring harness carefully to prevent damage.
- Thread the new sensor in by hand first, then torque to spec.
- Refill coolant, bleed air, and test for leaks before firing up.
Always consult your engine manual for torque values and procedures to match your setup perfectly.
Spotting Issues Early: Signs Your Sensor Needs Attention
Stay ahead of problems by watching for these common symptoms:
- Inaccurate dashboard temperature display.
- Engine running too hot or too cool consistently.
- Check engine light triggered without other obvious faults.
- Poor performance or hesitation under load.
Regular inspections during routine servicing can catch wear before it escalates. Pair this sensor with fresh coolant and clean heat exchangers for top-tier cooling performance.
Frequently Asked Questions
SKU: NVN-4003047
MPN: 18-7600
UPC: 030999977076
Technical specifications
| Brand | Sierra Engine Parts |
| Model | Sierra 18-7600 805218T Coolant Temp Sensor |
| SKU / MFR# | 4003047 |
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Frequently asked questions
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