Homeβ€Ί HVAC > Temperature Controls and Related Componentsβ€Ί Four Seasons 74852 HVAC Heater Control Valve
Part #: 74852

Four Seasons 74852 HVAC Heater Control Valve

Heater Valve
βš™οΈ 152 vehicles fit this part
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βœ…OE Direct Replacement β€” Bolt-on fit, no modifications needed
πŸ“¦Heater Valve
πŸš—Fitment: Ford, Mercury, and Lincoln, Crown Victoria, Grand Marquis, Marauder, Town Car, Mustang, Contour, Continental, Country Squire, LTD Crown Victoria, Colony Park, LTD, Capri, Marquis, Thunderbird, Mark VII, Cougar, and Mark VI
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Overview of Four Seasons Heater Valve 74852

The Four Seasons Heater Valve 74852 is an electric temperature sensing valve designed to regulate coolant flow in your vehicle's heating system. This HVAC heater control valve is compatible with select Ford, Lincoln, and Mercury models, ensuring precise temperature control and reliable operation.

  • Electric temperature sensing heater valve
  • Constructed from durable plastic material
  • Includes 2 hose connectors with 0.75 inch (19.05 mm) openings
  • O.E. replacement part for direct fit and function
  • Compatible with multiple Ford, Lincoln, and Mercury vehicles

Detailed Product Description

The Four Seasons Heater Valve 74852 belongs to the Heater Valve product line, which focuses on temperature control components within the HVAC system. This electric valve operates by sensing temperature changes and modulating coolant flow to maintain optimal cabin heating. Made from plastic, it features two hose connectors each with a 0.75 inch (19.05 mm) opening, designed for straightforward installation and secure connections. As an O.E. replacement, this valve meets original equipment specifications, providing reliable performance for your vehicle's heating system.

Compatible Vehicles and Applications

This heater valve is compatible with a range of Ford, Lincoln, and Mercury models, including the Ford Mustang, Crown Victoria, Contour, and Thunderbird, as well as Lincoln Continental, Mark VI, Mark VII, and Town Car, and Mercury Cougar, Marauder, Colony Park, and Grand Marquis. The Four Seasons Heater Valve 74852 is ideal for owners seeking a direct replacement part to restore proper HVAC temperature control in these vehicles.

Common Issues Addressed by This Heater Valve

  • Inconsistent or no heat inside the cabin
  • Coolant leaks around the heater valve area
  • Failure to regulate temperature properly
  • Electric valve malfunction causing HVAC system errors
  • Reduced heater performance due to faulty valve operation

Installation Notes and Tips

When installing the Four Seasons Heater Valve 74852, ensure the vehicle is cool and the cooling system is depressurized. Verify hose connector sizes match the 0.75 inch (19.05 mm) openings for a secure fit. As an O.E. replacement, this valve should install directly without modification. Proper electrical connections are essential for the electric valve operation, so inspect wiring and connectors before installation.

Quality Assurance and Warranty

Four Seasons manufactures the Heater Valve 74852 to meet original equipment standards, ensuring dependable performance and durability. This part is designed to provide consistent temperature control and withstand typical operating conditions. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary.

BrandFour Seasons
Part Number74852
PositionHeater Valve
DescriptionTemperature Sensing Electric Heater Valve
Hose Connector Quantity2 Connectors
MaterialPlastic
O.E. Replacement?Yes
Opening B IN0.750
Opening B MM19.050
Opening IN0.750
Opening MM19.050
Operation TypeElectric Valve
TypeHeater Valves

This part fits 152 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2005FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
2005MercuryGrand MarquisN/AHeater Valve
2004FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
2004FordGrand MarquisN/AHeater Valve
2004MercuryGrand MarquisN/AHeater Valve
2004MercuryMarauderN/AHeater Valve
2003FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
2003FordGrand MarquisN/AHeater Valve
2003LincolnTown CarN/AHeater Valve
2003MercuryGrand MarquisN/AHeater Valve
2003MercuryMarauderN/AHeater Valve
2002FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
2002FordGrand MarquisN/AHeater Valve
2002LincolnTown CarN/AHeater Valve
2002MercuryGrand MarquisN/AHeater Valve
2001FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
2001FordGrand MarquisN/AHeater Valve
2001LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
2001MercuryGrand MarquisN/AHeater Valve
2000FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
2000FordGrand MarquisN/AHeater Valve
2000LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
2000MercuryGrand MarquisN/AHeater Valve
1999FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1999FordGrand MarquisN/AHeater Valve
1999LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1999MercuryGrand MarquisN/AHeater Valve
1998FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1998FordGrand MarquisN/AHeater Valve
1998LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1998MercuryGrand MarquisN/AHeater Valve
1997FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1997FordGrand MarquisN/AHeater Valve
1997FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1997LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1997MercuryGrand MarquisN/AHeater Valve
1996FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1996FordGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1996FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1996LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1996MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1995FordContour2.5LV6N/AHeater Valve
1995FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1995FordGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1995FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1995LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1995MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1994FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1994FordGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1994FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1994LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1994MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1993FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1993FordGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1993FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1993LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1993MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1992FordCrown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1992FordGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1992FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1992LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1992LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1992MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1991FordGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1991FordLTD Crown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1991FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1991LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1991LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1991MercuryColony ParkN/AHeater Valve
1991MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1990FordLTD Crown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1990FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1990LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1990LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1990MercuryColony ParkN/AHeater Valve
1990MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1989FordLTD Crown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1989FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1989LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1989LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1989MercuryColony ParkN/AHeater Valve
1989MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1988FordLTD Crown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1988FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1988LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1988LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1988MercuryColony ParkN/AHeater Valve
1988MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1987FordLTD Crown VictoriaN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1987FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1987LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1987LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1987MercuryColony ParkN/AHeater Valve
1987MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1986FordLTDBaseN/AHeater Valve
1986FordLTDBroughamN/AHeater Valve
1986FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1986LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1986LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1986MercuryCapriN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1986MercuryGrand MarquisBaseN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1986MercuryGrand MarquisLSN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1986MercuryGrand MarquisColony ParkN/AHeater Valve
1986MercuryMarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing; w/ AC; Heater Valve
1985FordLTDBaseN/AHeater Valve
1985FordLTDBroughamN/AHeater Valve
1985FordLTDLX BroughamN/AHeater Valve
1985FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1985LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1985LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1985MercuryCapriN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1985MercuryGrand MarquisBaseN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1985MercuryGrand MarquisLSN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1985MercuryGrand MarquisColony ParkN/AHeater Valve
1985MercuryMarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; w/ AC; Heater Valve
1984FordLTDBaseN/AHeater Valve
1984FordLTDBroughamN/AHeater Valve
1984FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1984FordThunderbird5.0LV8N/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1984FordThunderbird3.8LV6N/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1984LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1984LincolnMark VIIN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1984LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1984MercuryCapriN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1984MercuryCougarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1984MercuryGrand MarquisBaseN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1984MercuryGrand MarquisLSN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1984MercuryMarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; w/ AC; Heater Valve
1983FordLTDBaseN/AHeater Valve
1983FordLTDBroughamN/AHeater Valve
1983FordMustangN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1983FordThunderbird5.0LV8N/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1983FordThunderbird3.8LV6N/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1983LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1983LincolnMark VIN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1983LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1983MercuryCapriN/ATemperature Sensing / Lockout; w/ AC; Heater Valve
1983MercuryCougarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1983MercuryGrand MarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1983MercuryGrand MarquisBaseN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1983MercuryGrand MarquisLSN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1983MercuryMarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; w/ AC; Heater Valve
1982FordLTDSN/AHeater Valve
1982FordLTDBaseN/AHeater Valve
1982FordThunderbirdN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1982LincolnContinentalN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1982LincolnMark VIN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1982LincolnTown CarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1982MercuryCougarN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1982MercuryGrand MarquisBaseN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; Heater Valve
1982MercuryMarquisN/Aw/ ATC (Automatic Temperature Control); Temperature Sensing / Lockout; w/ AC; Heater Valve
1981LincolnTown CarN/AHeater Valve

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

11174852155832191932662462983160077410106586766018647485280201288917641AC92158CWK802012E25Y18D371AH589H77810HV9506CWV298YG238

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.