Stainless Steel Coolant Temperature Sensor Adapter For LS Engine Swaps M12 1.5 To Three Eighths Inch NPT Plug And Play Install Keeps OEM Sensors In Place On LS X LS1 LS3 LS2 LM4 LM7 L76 LQ9 LR4 LS6 And More GM LS Engines

Stainless LS Coolant Sensor Adapter M12-1.5 to 3/8 NPT
✔️ Keeps original LS sensors in place; 1.7 in deep, 3/8 NPT

This stainless steel adapter lets you keep OEM coolant temperature sensors during LS engine swaps. It threads into M12-1.5 sensor ports and converts to a 3/8 in NPT connection for straightforward installation near the cylinder head.

✅ Material: Stainless steel
✅ Thread size: M12-1.5 to 3/8 NPT
✅ Depth: 1.7 in
✅ Includes: 1 adapter and 1 sealing washer
✅ Fits GM LS engines LS1, LS2, LS3, LS6, LS7, LM4, LM7, L76, LQ9, LR4 and more

💡 What is a coolant sensor adapter used for? It helps you keep OEM coolant temperature sensors during LS engine swaps while letting you adapt to a 3/8 NPT port for gauges and sensors. - Handy for preserving temperature readings without rewiring
- Converts M12-1.5 sensor ports to 3/8 NPT for gauges
- Stainless steel build resists heat and corrosion
- Works with LS engines and common sensor setups

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