M18 x 1.5 to 3/8 NPT Thread Adapter: Carbon Steel

w/ Trivalent Chromate Zinc Plating

Mobile Parking Sensor Fitting Automobile Modification Accessories Oxygen Sensor Filter Joint Adapter M18 * 1.5 With Filtering Net From Blake Online, $2.38

Heavy-Duty And Versatile M12 Thread Adapter

Hydraulic Fitting Thread Chart

Metric fittings are widely used in automotive applications however repeated servicing will require replacing a washer to ensure that it does not leak. HPS AN to Metric adapter fittings converts your female metric threads to AN style fitting for easy, repeated serviceability. AN style fittings can be installed and removed many times without using any additional sealants or gaskets.

HPS Performance -10 to 18mm x 1.5 Black Aluminum Straight Adapter

Steel Adapter, Male L12 M18 x 1.5 DIN Light Duty to Female 3/8-18 NPT, Straight Hydraulic Supply Co.

Stainless M18 X 1.5 Thread Adapter, Silvery – BestArc

1PCS High Pressure Oil Tubing Joints Carbon Steel Metric Thread M14 M16 M18 M20 Hydraulic Fittings Connector Adapter - AliExpress

18mm x 1 RH to 3/4 NPT Thread Adapter - Infinite Product Solutions

Voss - Industrial Pipe Adapter: 3/8″ Female Thread, M18 x 1.5 Male Thread, Male Metric x FNPT - 84433507 - MSC Industrial Supply

Stainless Steel Swagelok Tube Fitting, Male Connector, 1/2 in. Tube OD x 1/8 in. Male NPT, Male Connectors, Tube Fittings and Adapters, Fittings, All Products

Adaptall 9022FC-08-18 9022FC-08-18

GREEN LINE HOSE & FITTINGS HYDRAULIC ADAPTOR, M18 X 1.5 MM, 1/4-18, HOLE DASH SIZE 12, CARBON STEEL/ZINC - Hydraulic Hose Adapters - GRE63016L1204