Amazon.com: Fitting Adapter NPT 1/8" Female Pipe to Metric M12 M12X1.25 Male : Industrial & Scientific
JOES Water Temp Adapter, M12 x 1.5 to ⅛" NPT - JOES Racing Products
MaxTow | M16 x 1.5 Male to 1/8-27 NPT Female Thread Adapter
Extended LS Coolant Temp Sensor Adapter M12 X 3/8 NPT - LS1 Swap by LSX Innovations
Oil Pressure Sensor Tee Adapter M12 x 1.5 to 1/8 NPT Port Turbo Supply Feed Line Gauge with 1/8 NPT Side Port Hose T|Oil Pressure Gauges| - AliExpress
Temp Adapter Heads 1/8 NPT to M12 X 1.5 Metric Steel | eBay
Amazon.com: Oil Pressure Sensor Tee Adapter M12 x 1.5 to 1/8 NPT Port Turbo Supply Feed Line Gauge M12x1.5 Female to M12x1.5 Male with 1/8 NPT Side Port Hose T Stainless Steel : Automotive