Shop by Brand Mercury OutboardShim ; Washer Back Washer- 12-858234 Viewer:271 OEM NO. 12-858234 You May Also Be Interested In Shim 12-8M0050427/8M0050427 Washer- 12-858234 Oil Seal 26-817397-1/817397 1 Piston 6L2-11635-00-00 0.25