For 90 HP – 250 HP outboards, 1991 and newer, 40-300HP Evinrude E-TEC 2004-AB
OMC Cobra outdrives 1984-1996 (except 460 Cobra)
Length: 1-5/16″
Width: 1-5/8″
Thickness: 1/2″
Mounting Hole: 5/16″ diameter
Note: Anode aluminum core gets threaded from tightening the 3/8?-16 mounting screw.
EMP Aluminum anodes conform to Mil-Spec A-24779(SH)

also crosses with:
Canada Metals CM393023A
Performance Metals 00201A
GLM 12776
Technoseal 00907AL
Camp 393023
Reliance AMD-393023