Mercury 850055001 850055 Thermostat 110 Degrees 40hp 50hp 55hp 60hp 3cyl Mariner Intake Manifolds The top part is black

The top part is black plastic

this does not have that vent

Part number 912317 / 0912317

To be added Later - NOT for dry joint applications

Main Adjustment Mixture Screw for all KF3 Models

Mercury 850055001 850055 Thermostat 110 Degrees 40hp 50hp 55hp 60hp 3cyl Mariner Intake Manifolds The top part is blackPart Number(s) Included Quicksilver Mercury Mariner 850055001 850055 Thermostat Assembly **Original packaging may look different than pictured, and in some cases may not even be included with the item.** Application & Compatibility Compatibility details have not been added at this time, if you are unsure just ask! (or check with a parts diagram) Purchase with confidence! This is a NEW (New Old Stock) part from our collection of Quicksilver Mercury