LS Engine swap coolant Water Temp Sensor Adapter M12 1.5 Adapter to 3/8 NPT Extended Length Temperature Sensor LSX LS1 LS3 LS2 LM4 LM7 L76 LQ9 LR4 LS6 L92 L99 L33 LR4 LH6






Key features
- •LS cylinder heads are machined with metric M12-1.5 coolant sensor ports,This adapter allows you to keep your original sensors and integrate them into your swapped LS engine. I would suggest measuring the length of your sensor before purchasing this adapter.
- •Adapter has a female 3/8" NPT port, 1.7" deep. Work great to run a aftermarket temp sensor,Work perfectly with your auto meter temp gauge.Works perfect with manual temp Guage sending units with long probe. M12-1.5 screws right into any LS cylinder head.
- •You can do an LS swap and the electric relay fan kit which come with a larger and longer sensor than usual.
- •Larlansz Precision threads never leaked or stripped any threads when installing.This adapter will fit all GM LS series engines.
- •Material: Aluminum AL6061,Package listing : 1 adapter & 1 sealing washer
- •NOTE:Don't over tighten.
LS Engine swap coolant Water Temp Sensor Adapter M12 1.5 Adapter to 3/8 NPT Extended Length Temperature Sensor LSX LS1 LS3 LS2 LM4 LM7 L76 LQ9 LR4 LS6 L92 L99 L33 LR4 LH6
List Price: $27.14$24.43DEALYou Save: $2.71 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 24, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection







