Shop by Brand Mercury OutboardShim ; Washer Back Washer 12-16448 Viewer:92 OEM No.: 12-16448 For Mercury Outboard Engine You May Also Be Interested In Shim 12-8M0050428/8M0050428 Shim 12-8M0050438/8M0050438 Washer, Pinion Nut 350038/0350038 Gasket 677-13621-00