Coolant Temperature Sensor Adapter for All Chevy GM, LS Engine M12-1.5 to 1/2"

Coolant Temperature Sensor Adapter for Chevy GM

This coolant temperature sensor adapter converts M12-1.5 thread to 1/2-inch, enabling a standard temperature sensor to be installed in Chevy GM LS engine blocks.

Overview

This coolant temperature sensor adapter is designed for use with Chevy GM LS engines, providing a reliable thread conversion from M12-1.5 to 1/2-inch. It allows mechanics to easily fit aftermarket temperature sensors without modifying the engine block. The adapter is machined from durable materials for long-lasting performance in cooling systems.

Built For Performance

• Precision-machined threads for leak-free connection
• Converts M12-1.5 female to 1/2-inch male fitting
• Compatible with standard 1/2-inch NPT temperature sensors
• Solid construction withstands coolant temperatures and pressure
• Easy to install using standard tools

On-The-Job Use

• Install a coolant temperature sensor on Chevy GM LS swapped engines
• Use in performance builds where factory sensor location is unavailable
• Commonly used in street rods, project cars, and engine swaps
• Enables accurate temperature monitoring for tuning and diagnostics
• Works with both analog and digital temperature gauges

Specs At A Glance

Good To Know

Q: Can this adapter be used on other engine brands besides Chevy GM? A: This adapter is specifically designed for Chevy GM LS engines, but may fit other applications with M12-1.5 port if the thread pitch matches.

Q: Should thread sealant be used during installation? A: It is recommended to use a small amount of thread sealant on the male threads to prevent coolant leaks and ensure a secure connection.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.