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MERCURY GRAND MARQUIS Cooling & Heating

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Results 1 - 19 of 19

Edelbrock High Performance Thermostats

Edelbrock high performance thermostats are designed to ensure consistent cooling in high performance applications. Edelbrock thermostats feature brass and copper valve assemblies with stainless steel bodies for durability. They are bolt-on OE-style replacements and are available to fit many popular domestic and import applications. They are available with160, 180, and 190 degree F ratings.

4.43 out of 5 stars ( 46 )

$22.95

$24.95

Dorman Thermostat Housings

Replace your stock thermostat housing with new parts from Dorman. These quality replacement components offer solution upgrades for your coolant system, and they are available for several applications. Don't wait for your engine to overheat or for the check engine light to illuminate--upgrade to reliable, OE-fitting thermostat housings from Dorman.

4.24 out of 5 stars ( 177 )

$13.99

$16.99

MotoRad UltraStat Thermostats

MotoRad offers UltraStat thermostats for a wide range of car, truck, and van applications from the 1980s and up. Their heavy-gauge stainless steel components provide increased reliability and long-lasting durability. The thermostats feature exclusive BLVT Valve Technology to minimize thermal shock to cooling system components. Select the model and opening temperature rating recommended for your vehicle. Additional details: * Stainless steel thermal element for unmatched corrosion resistance * Revolutionary REAX wax mixture provides quicker reaction time * AccuSpring design for stable temperature control and increased cabin comfort

4.25 out of 5 stars ( 4 )

$10.99

$16.99

On Sale

Mr. Gasket Chrome Plated O-Ring Water Necks

Mr. Gasket chrome plated water necks feature an O-ring style seal to prevent water leaks. Precision die-cast for a great fit, they're first polished to a high luster, then beautifully chrome plated for lasting beauty. These water necks come complete with an O-ring and mounting bolts.

4.23 out of 5 stars ( 64 )

$22.94


$20.65

MotoRad Fail-Safe Thermostats

MotoRad offers fail-safe thermostats for a wide range of vehicles. These OE-style replacements are designed for a direct-fit and optimum performance. High-grade stainless steel and copper construction assure good response to temperature changes in the engine coolant. The thermostats are 100 percent tested and calibrated to meet or exceed factory standards. Order the model recommended for your application.

3.0 out of 5 stars ( 2 )

$11.99

Four Seasons Water Necks

Four Seasons water necks are offered in a wide selection for most popular import and domestic vehicles. These water necks include the necessary gaskets or O-rings where applicable.

3.85 out of 5 stars ( 252 )

$10.99

$14.99

MotoRad Spec-R Racing Thermostats

In racing, precision is everything--from the driver's skill to each component under the hood. A racing engine thermostat isn't just about maintaining a lower temperature; it must endure the relentless demands of high-flow, high-pressure environments that standard parts simply can't handle. MotoRad Spec-R racing thermostats are engineered to offer rapid response and precise temperature control under extreme conditions, allowing optimal engine performance without compromise. They are manufactured to provide durability, withstand intense vibrations, and maintain reliability at every stage, ensuring that racers get consistent performance, lap after lap. Run your vehicle with maximum cooling efficiency; select the Spec-R racing thermostat best suited to your vehicle's needs. Features: * Black oxide coating for high temperature tolerance, corrosion resistance and life-long durability * Lower than OE opening temperature for cooler engine operation, resulting in more power * Specially formulated Spec R heat element mixture for faster response time * Proprietary gasket composition to withstand high-pressure/high performance cooling systems Note: Gaskets/seals may or may not be included.

5.0 out of 5 stars ( 1 )

$20.99

$23.99

Tuff Stuff Performance High-Flow Thermostats

Standard thermostats flow approximately 37 gallons of coolant per minute. Tuff Stuff Performance high-flow thermostats' number jumps to an impressive 56 gallons per minute—that's almost a 50 percent increase in coolant flow! Ideal for high performance vehicles, these thermostats increase flow, reduce delays in engine warm-ups, and allow trapped air in the cooling system to escape, thus stabilizing the pressure of the cooling system overall. Tuff Stuff Performance thermostats feature stainless steel construction with extra-large ports to ensure increased coolant flow, and the bridge design offers increased strength, stability, and reliability. These economical parts are available for thousands of make/model applications spanning the decades from the 1940s through the 1990s.

3.79 out of 5 stars ( 29 )

$17.99

Motorcraft Thermostats

Motorcraft thermostats are constructed for strength and rigidity, with a mounting flange designed to properly fit and seat the thermostat in the housing. The streamlined Venturi nozzle gives you maximum coolant flow, and the stainless steel spring offers precise operating compression.

5.0 out of 5 stars ( 5 )

$19.99

Summit Bucks

ACDelco Heater Valves

ACDelco heater valves control the flow of coolant through the heater core. These valves close to stop coolant from flowing through the heater core, permitting maximum cooling from the A/C evaporator. ACDelco aftermarket replacement HVAC heater control valves are manufactured to meet or exceed your expectations for quality and function.

4.86 out of 5 stars ( 7 )

$16.99

Universal Air Conditioner Air Conditioning Expansion Valves

Universal Air Conditioner offers an extensive line of mobile climate-control products, including A/C expansion valves that are meticulously engineered to meet OEM specifications. These components will provide proper refrigerant flow to the evaporator to control the flow of refrigerant in an A/C system and are a crucial replacement part for every A/C job. Additional features: * Helps maintain a desired temperature inside your car * Made of durable materials * Ensures reliable performance * Guarantees high-efficiency * Provides long-lasting service life

5.0 out of 5 stars ( 2 )

$15.99

$16.99

Summit Racing™ Thermostats

Summit Racing offers replacement thermostats for thousands of vehicles. They're offered in a variety of styles, materials, flow rates, temperature ratings, and more. A reliable thermostat is essential to your cooling system and overall performance—kicking in precisely when your engine needs it. Order the model best suited for your application.

4.28 out of 5 stars ( 360 )

$10.99

Four Seasons Air Conditioning Replacement Components

Maintenance on your vehicle is a must, and you can find quality replacement components for your air conditioning at Four Seasons. Whether you need a seal kit and O-ring gasket, an expansion valve screen, a service cap, or a high-flow valve core, Four Seasons has the components to keep your A/C serviced year 'round. Keep your A/C functioning properly with regular maintenance and replacement components from Four Seasons.

3.4 out of 5 stars ( 5 )

$10.99

$11.99

Four Seasons Air Conditioning Expansion Valves

Four Seasons air conditioning expansion valves will help you maintain your air conditioning system's cooling characteristics. They are available in a variety of styles and configurations to fit your specific vehicle needs. The valves are made using quality materials to meet or exceed OEM specifications.

4.55 out of 5 stars ( 11 )

$18.99

MotoRad Thermostats

All thermostats are not created equal. MotoRad thermostats offer superior, consistent performance that begins at the heart of their design. The ELAC heat motor, with its unique properties, provides a precise response to your vehicle's cooling system needs. Powered by a precisely formulated thermal-responsive wax pellet in a heat-conducting copper cup equipped with a stainless steel piston, the heat motor is 100 percent calibrated to ensure quality and performance. MotoRad encases the motor in a stainless steel assembly with a self-cleaning, self-aligning valve, flange, bridge, and spring for a securely sealed unit that will keep your engine temperature within OEM specifications. All thermostats are not alike; so, when you want a well-engineered product, look for MotoRad thermostats.

2.25 out of 5 stars ( 4 )

$10.99

Summit Bucks

ACDelco Air Intake Duct Drain Hoses

ACDelco air intake duct drain hoses feature flexible, heat-resistant materials reinforced with helical wire for longer life. You can easily cut and form them to a desired shape and length for your convenience. For the quality, reliability, and durability of original equipment—all manufactured to factory specifications for fit, form, and function—order the recommended ACDelco air intake duct drain hoses designed to fit your vehicle.

3.0 out of 5 stars ( 2 )

$18.99

Holstein Parts Blower Motor Resistors

Holstein Parts blower motor resistors offer superior coverage for many domestic and import vehicle applications. The blower motor resistor is an electrical component that is a part of the vehicle's interior heating and air conditioning system. A failed blower motor resistor can cause issues with the entire heating and air conditioning system's operation. Holstein Parts uses only the highest quality materials and engineering for truly built parts to match or exceed the OEM parts to help restore proper function. Select the Holstein blower motor resister model designed to fit your application needs.

Not Yet Reviewed

$13.99

Universal Air Conditioner Air Conditioner System Seal Kits

Universal Air Conditioner offers Rapid Seal O-ring kits for air conditioner systems found in many vehicles—including a variety of Ford, Lincoln, Mercury, and Jaguar models from the 1980s and up. Each kit includes dozens of rubber O-rings in different sizes to facilitate your rebuild or sealing maintenance.

Not Yet Reviewed

$14.99

$15.99

Universal Air Conditioner Air Conditioning Repair Kits

Universal Air Conditioner offers a comprehensive line of mobile climate-control products, including air conditioning repair kits that will help you to restore your vehicle's A/C system back to its proper operation. Choose the UAC air conditioning repair kit designed for your specific application needs.

Not Yet Reviewed

$19.99

$20.99

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