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Mercury Monarch Thermostat

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Mercury Monarch Thermostat, Stant Thermostat - Stainless Steel, Direct Fit

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$19.51 $23.02 You Save $3.51 (15%)
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STANT SUPERSTAT HEAVY DUTY THERMOSTAT -- 180 degrees, 2-1/8 x 29/32 x 29/32 in.; Features a patented V-notch non-linear design that reduces cycling by precisely metering the amount of coolant needed; Uses a high flow venturi for maximum cooling capacity; The high strength 0.4 in. thick stainless steel flange is burnished to a bright finish for stress relief and added corrosion resistance; Its operating spring is designed with a load that is 50 percent stronger than Stant's Reverse Poppet thermostat; The power element is comparable to those thermostats used in heavy-duty trucking industry; Guarantees to deliver efficient engine operation, prolonged engine life, reduced oil consumption, improved fuel economy, and improved emissions.
  • Sku#: ST45358
  • Brand: Stant
  • Material: Stainless Steel
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually

Fits the following Mercury Monarch Years

  • 1975-1977 | Base | 6 Cyl 3.3L
  • 1975-1977 | Base | 8 Cyl 5.8L
  • 1975-1977 | Ghia | 6 Cyl 4.1L
  • 1975-1977 | Ghia | 8 Cyl 5.0L
  • 1975-1977 | Ghia | 8 Cyl 5.8L
  • 1975-1980 | Base | 6 Cyl 4.1L
  • 1975-1980 | Base | 8 Cyl 5.0L
  • 1976 | Grand Ghia | 6 Cyl 4.1L
  • 1976 | Grand Ghia | 8 Cyl 5.0L
  • 1976 | Grand Ghia | 8 Cyl 5.8L
  • 1980 | Base | 8 Cyl 4.2L
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Mercury Monarch Thermostat, Motorcraft Thermostat - Stainless Steel, Direct Fit

$33.07 $39.02 You Save $5.95 (15%)
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MOTORCRAFT ENGINE COOLANT THERMOSTAT -- Features stainless steel or brass bridge and spring frame, channel-constructed for strength and rigidity, stainless steel, tapered-end pistons with flexible elastomeric boots, streamlined venturi nozzle for maximum coolant flow, brass cover and guide for heat motor piston, mounting flanged designed to properly fit and seat the thermostat in the housing, stainless steel spring offers precise operating compression, heat motor in high-strength brass housing, rulon seal for heat motor piston, specially formulated expansive wax compound; Heavy-duty quality for long life; Replaces OE number 2L2Z8575AA.
  • Sku#: MIRT1167
  • Brand: Motorcraft
  • Material: Stainless Steel
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually

Fits the following Mercury Monarch Years

  • 1975-1977 | Base | 6 Cyl 3.3L
  • 1975-1977 | Base | 8 Cyl 5.8L
  • 1975-1977 | Ghia | 6 Cyl 4.1L
  • 1975-1977 | Ghia | 8 Cyl 5.0L
  • 1975-1977 | Ghia | 8 Cyl 5.8L
  • 1975-1978 | Base | 8 Cyl 5.0L
  • 1975-1980 | Base | 6 Cyl 4.1L
  • 1976 | Grand Ghia | 6 Cyl 4.1L
  • 1976 | Grand Ghia | 8 Cyl 5.0L
  • 1976 | Grand Ghia | 8 Cyl 5.8L
  • 1980 | Base | 8 Cyl 4.2L
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Mercury Monarch Thermostat, AC Delco Thermostat - Stainless Steel, Direct Fit

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$15.21 $17.95 You Save $2.74 (15%)
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AC DELCO ENGINE COOLING THERMOSTAT ASSEMBLY -- A high quality, OE replacement engine cooling thermostat assembly; With 12-month or 12,000-mile AC Delco limited warranty.
  • Sku#: AC12T1B
  • Brand: AC Delco
  • Material: Stainless Steel
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually

Fits the following Mercury Monarch Years

  • 1975-1977 | Base | 6 Cyl 3.3L
  • 1975-1977 | Base | 8 Cyl 5.8L
  • 1975-1977 | Ghia | 6 Cyl 4.1L
  • 1975-1977 | Ghia | 8 Cyl 5.0L
  • 1975-1977 | Ghia | 8 Cyl 5.8L
  • 1975-1979 | Base | 6 Cyl 4.1L
  • 1975-1980 | Base | 8 Cyl 5.0L
  • 1976 | Grand Ghia | 6 Cyl 4.1L
  • 1976 | Grand Ghia | 8 Cyl 5.0L
  • 1976 | Grand Ghia | 8 Cyl 5.8L
  • 1980 | Base | 6 Cyl 4.1L
  • 1980 | Base | 8 Cyl 4.2L
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Mercury Monarch Thermostat, Gates Thermostat - Direct Fit

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$13.94 $16.45 You Save $2.51 (15%)
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Gates Premium Thermostat

Gates SuperStat Thermostat incorporates an all stainless steel construction, larger heat motor and larger spring to provide superior performance. It provides precision temperature control, more efficient engine operation, faster engine warm up, fewer emissions and better fuel economy.

  • Sku#: GAT33009S
  • Brand: Gates
  • Product Fit: Direct Fit

Fits the following Mercury Monarch Years

  • 1975-1977 | Base | 6 Cyl 3.3L
  • 1975-1977 | Base | 8 Cyl 5.8L
  • 1975-1977 | Ghia | 6 Cyl 4.1L
  • 1975-1977 | Ghia | 8 Cyl 5.0L
  • 1975-1977 | Ghia | 8 Cyl 5.8L
  • 1975-1980 | Base | 6 Cyl 4.1L
  • 1975-1980 | Base | 8 Cyl 5.0L
  • 1976 | Grand Ghia | 6 Cyl 4.1L
  • 1976 | Grand Ghia | 8 Cyl 5.0L
  • 1976 | Grand Ghia | 8 Cyl 5.8L
  • 1980 | Base | 8 Cyl 4.2L
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Mercury Monarch Thermostat, Mr Gasket Thermostat - Copper and brass, Direct Fit

$25.86 $30.51 You Save $4.65 (15%)
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MR GASKET HIGH PERFORMANCE THERMOSTAT -- 160 degrees opening temperature rating, high flow; Does not include gasket; Constructed from high quality copper/brass material; Designed to resist large variations in coolant pressures that occur at high RPMs; Opens at the right temperature regardless of engine RPM; Legal for sale or use on race vehicles which may never be used on highways; With 90-day Mr Gasket limited warranty.
  • Sku#: G124363
  • Brand: Mr Gasket
  • Material: Copper and brass
  • Product Fit: Direct Fit
  • Quantity Sold: Sold Individually

Fits the following Mercury Monarch Years

  • 1975-1977 | Base | 6 Cyl 3.3L
  • 1975-1977 | Base | 8 Cyl 5.8L
  • 1975-1977 | Ghia | 8 Cyl 5.0L
  • 1975-1977 | Ghia | 8 Cyl 5.8L
  • 1975-1980 | Base | 8 Cyl 5.0L
  • 1976 | Grand Ghia | 8 Cyl 5.0L
  • 1976 | Grand Ghia | 8 Cyl 5.8L
  • 1980 | Base | 8 Cyl 4.2L
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