1 2 Inch NPT Temp Sender Temperature Sensor for MerCruiser 97258A1 171960 18-5898

This 1/2" NPT Temp Sender/Temperature Sensor is a replacement temperature sender compatible with MerCruiser engines and matches OEM Part Numbers 97258A1, 171960, and 18-5898.

Product Overview

The 1/2" NPT Temperature Sensor is designed to monitor engine coolant temperature in MerCruiser marine engines. It sends a signal to the gauge or control system for accurate temperature readings. This sensor is a direct replacement for OEM units.

Key Features & Performance

• 1/2" NPT thread for easy installation
• Direct replacement for MerCruiser part numbers 97258A1, 171960, 18-5898
• Accurate temperature sensing for engine monitoring
• Corrosion-resistant construction for marine use
• Compatible with standard gauge systems

Fitment & Compatibility

• Compatible with MerCruiser engines that use OEM temperature sender part numbers 97258A1, 171960, 18-5898

Common Uses

• Monitor engine coolant temperature
• Replace faulty temperature sender in MerCruiser engines
• Used in boat maintenance for engine diagnostics
• Ideal for repowering or engine upgrades

Technical Specifications

• Part Number(s): 97258A1, 171960, 18-5898
• Thread Size: 1/2" NPT
• Product Type: Temperature Sender / Sensor
• Application: Marine Engine Cooling System

Frequently Asked Questions

Q: Will this temperature sensor work with my MerCruiser engine? A: It is designed for MerCruiser engines that use OEM part numbers 97258A1, 171960, or 18-5898. Check your existing part number to confirm compatibility.

Q: What is the thread size of this sensor? A: The sensor has a 1/2" NPT thread, which is standard for many marine temperature senders.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.