Pinion Nut - 18-3719

Sierra Pinion Nut-  18-3719

5/8" (15.9mm) - 18 thread • 1 1/16" wrench

Interchangeable with the following:

GLM
11190

Mercruiser Stern Drive
11-35921

Mercury Marine
11-35921
11-47411
11-826375

Chrysler/Force/US Marine
11-35921
11-826375
11-F694188

Johnson/Evinrude Outboard
314730

OMC Stern Drive
314730