Goodridge Adaptor -3JIC to M18 x 1.5 with Concave Seat
![Goodridge Adaptor -3JIC to M18 x 1.5 with Concave Seat](/files/resized/medium/G/img/g_306_03_m18d.jpg?cachebreak=023262b1b95a285cbf7b9ceb62c0d290)
Goodridge aluminium adaptor JIC to Metric concave. 306-03-M18D. Aluminium adaptor -3JIC (3/8UNF) male to M18 x 1.5 male concave seat. Used when assembling oil systems with Goodridge 600 series unions and Goodridge 600-03 hose.