Sierra Thermostat 143' OMC 435491 18-3543

Sierra Thermostat 143 degree #18-3543

• Replaces OMC: 393659, 434841, 378065, 508626, 5005440. 434841 378065508626, 5005440
• Fits: 143°- 40-250hp E-tech, 6-55hp, CrossV4,V6, 9.9 4troke(1994-01), 15 4Stroke (1994-01)