Mercury Mariner Engine Coolant Thermostat Replacement

192 Degrees F OE Specified Temperature

180 Degrees F Alternate Temperature Option

192 Degrees F OE Specified Temperature

With inversed jiggle-pin; Gasket included Opening Temp: 82 C / 180 F

With inversed jiggle-pin; Gasket included Opening Temp: 87 C / 188 F OEM Recommended With OE No. 1X4Z8575EB

188 Degree; OE Temperature

180 Degrees F Alternate Temperature Option ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

192 Degrees F OE Specified Temperature ; "The patented Fail-Safe (R) thermostat is the only thermostat on the market designed to lock in the open position, allowing coolant to continue to flow in the event of overheating."

Integral Thermostat (Gasket Included) Opening Temp: 82 C / 180 F From 03/10/2005 To 01/05/2006 With OE No. 3M4Z8575A

W/O Electronic Control; 180 Degree; OE Temperature; Seal included

Integral Thermostat (Gasket Included) Opening Temp: 90 C / 194 F

194 Degree; OE Temperature; Seal included

W/Electronic Controlled Thermostat; 208 Degree; OE Temperature; Seal included