Parker - Barbed Hose Fitting: M12 x 1.5″ x 3/8″ ID Hose, Male Connector - 80258437 - MSC Industrial Supply
Gitzo M12 to 3/8'' adapter - GS5000C | Gitzo US
Adapter M10 x 1 & M12 x 1 for Trasmet. 1/8 " - Indicators and Instruments FARIA INSTRUMENTS - MTO Nautica Store
BAMILL M6-M12 Tap Holding Chuck 3/8 Adapter Tap Wrench Adjustable Clamping Tap Chuck - Walmart.com
Amazon.com: Yemtuls Reducer Fitting Metric M12-1.5 to 3/8 NPT Adapter Design for Adding 3/8 NPT Coolant Temperature Sensor to LS Engine with Factory M12-1.5 Female Coolant Sensor Port : Automotive
Amazon.com: Pipe NPT 3/8" Female X Metric M12 M12X1 Male Adapter Fitting Fuel Air
Amazon.com: Metric M12 M12X1.5 Female to 3/8" Male NPT Pipe Fitting Gauge Adapter : Industrial & Scientific
American Grease Stick Co. Steel Adapter, 3/8"-24 Inverted to M12 x 1.0 Bubble BLF-61B - Advance Auto Parts
LS Swap Coolant Temperature Sensor Adapter M12-1.5 to 3/8" NPT Water LS1 LSX LS3 | eBay
Amazon.com: Pipe 3/8" Male BSPP BSP to M12 M12X1 M12X1.0 Metric Adapter Fitting Fuel Air : Automotive
Gitzo GS5000C - M12 Metric to 3/8 Adapter
Amazon.com: Yemtuls Reducer Fitting Metric M12-1.5 to 3/8 NPT Adapter Design for Adding 3/8 NPT Coolant Temperature Sensor to LS Engine with Factory M12-1.5 Female Coolant Sensor Port : Automotive