180 Degrees F Alternate Temperature Option
192 Degrees F OE Specified Temperature
160 Degrees F Alternate Temperature Option
160 Degrees F Alternate Temperature Option
180 Degrees F OE Specified Temperature
195 Degrees F Higher Alternate Temperature Replacement
180 Degrees F OE Specified Temperature
160 Degrees F Alternate Temperature Option
205 Degrees F Higher Alternate Temperature Replacement
160 Degrees F Alternate Temperature Option
195 Degrees F OE Specified Temperature
160 Degrees F Alternate Temperature Option
180 Degrees F Alternate Temperature Option
195 Degrees F OE Specified Temperature
With jiggle-pin on the main valve Opening Temp: 88 C / 190 F
180 Degrees F Alternate Temperature Option
195 Degrees F OE Specified Temperature
195 Degrees F OE Specified Temperature
180 Degrees F Alternate Temperature Option
180 Degrees F Alternate Temperature Option
160 Degrees F Alternate Temperature Option
192 Degrees F OE Specified Temperature
Temperature 195 Degrees Part Replacement Replaces 48109 OE Temperature
160 Degrees F Alternate Temperature Option
160 Degrees F Alternate Temperature Option
170 Degrees F Alternate Temperature Option
180 Degrees F Alternate Temperature Option
195 Degrees F OE Specified Temperature
170 Degrees F Alternate Temperature Option
180 Degrees F Alternate Temperature Option
180 Degrees F Alternate Temperature Option
195 Degrees F OE Specified Temperature
192 Degrees F OE Specified Temperature
180 Degrees F Alternate Temperature Option
180 Degree; Alternate 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."
160 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."
195 Degree; OE Temperature
195 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."
160 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."
180 Degrees F Alternate Temperature Option
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."
195 Degrees F OE Specified Temperature
High Flow Thermostat Opening Temp: 77 C / 171 F
High Flow Thermostat; Gasket Included Opening Temp: 91 C / 196 F
192 Degrees F OE Specified Temperature
195 Degree; OE Temperature
With jiggle-pin; Gasket Included Opening Temp: 92 C / 197 F OEM Recommended With OE No. F8RZ8575AA
Gasket included: Y Housing Type:Separate Housing
160 Degree; Alternate Temperature
180 Degree; Alternate Temperature
195 Degrees F OE Specified Temperature
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."
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 Includes Seal OE Specified Temperature
180 Degrees F Includes Seal Alternate Temperature Option
160 Degrees F Includes Seal Alternate Temperature Option
180 Degrees F Alternate Temperature Option
195 Degree; OE Temperature
192 Degrees F OE Specified Temperature
180 Degree; Alternate Temperature
180 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."
160 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."
180 Degrees F Alternate Temperature Option
195 Degrees F OE Specified Temperature
192 Degrees F Includes Seal OE Specified Temperature
With inversed jiggle-pin; Gasket included Opening Temp: 87 C / 188 F
195 Degree; OE Temperature
192 Degrees F Includes Seal 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."
180 Degrees F Includes Seal 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."
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."
195 Degree; OE Temperature
180 Degrees F Alternate Temperature Option
195 Degree; OE Temperature; Seal included
195 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."
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."
180 Degree; OE Temperature
180 Degree; Alternate Temperature
160 Degrees F Includes Seal 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."
195 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."
Available Until Stock Depleted; 180 Degree; Alternate Temperature
160 deg.; Race Only
180 deg.; Race Only
195 deg.; Race Only
Browse our selection of quality engine coolant thermostat parts designed specifically for your Mercury Cougar. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base · Boss 302 · Boss 429 · Brougham · Cobra Jet · GS · LS · S · V6 · Villager · XR-7
Coupe · Hardtop · Sedan · Wagon
L4 2.0L · L4 2.3L · L6 3.3L · V6 2.5L · V6 3.8L · V8 4.2L · V8 4.6L · V8 4.7L · V8 5.0L · V8 5.8L · V8 6.4L · V8 6.6L · V8 7.0L · V8 7.5L
Automatic · Manual · U/K