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This Coolant Temperature Sensor Adapter is a thread adapter compatible with Chevy GM LS engines and matches thread sizes M12-1.5 to 3/8".
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
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Product Overview
This coolant temperature sensor adapter allows you to install a temperature sensor into Chevy GM LS engine coolant passages. It converts M12-1.5 threads to 3/8" NPT, enabling use of standard sensors. This adapter is essential for engine builders and enthusiasts needing precise coolant temperature monitoring.
Key Features & Performance
- Converts M12-1.5 to 3/8" NPT thread for sensor installation
- Made of durable brass or aluminum (varies by batch)
- Direct fit for Chevy GM LS engine coolant ports
- Allows use of aftermarket temperature sensors
- Easy installation with basic tools
Fitment & Compatibility
- Chevy GM LS Series Engines (LS1, LS2, LS3, LS6, LS7, etc.)
- Compatible with GM V8 engines using M12-1.5 sensor ports
Common Uses
- Install coolant temperature sensor for engine tuning
- Monitor engine temperature in performance builds
- Replace damaged or incompatible sensor adapters
- Use with aftermarket gauge systems
Technical Specifications
- Thread Size: M12-1.5 (inlet) to 3/8" NPT (outlet)
- Material: Brass or Aluminum (varies)
Frequently Asked Questions
Q: What is the thread pitch on the sensor side? A: The sensor side has M12-1.5 threads for GM LS engine ports.
Q: Can this adapter be used with any coolant temperature sensor? A: Yes, it accepts standard 3/8" NPT temperature sensors commonly used in aftermarket gauges.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.