2003 Mercury Grand Marquis Engine Cooling Parts

Essential 2003 Mercury Grand Marquis Engine Cooling Parts

Carquest Premium – Universal Fan Clutch – Non-Thermal (Part No.211011)

Universal Fan Clutch - Non-Thermal

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$47.99
Product Features:
  • Designed, tested, and built by application
  • OE performance, fit, and appearance
  • Precision machined
  • Out of box installation
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KAI – Cooling Fan Assembly (Part No.FO3115193)

Cooling Fan Assembly

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$213.99
New Platinum Pro Radiator Fan Assembly, Without Control Unit

Product Features:
  • Without Control Unit, Made Of Plastic
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Edelbrock – Water Pump for Small-Block Ford 351W in Satin Finish (Part No.8843)

Water Pump for Small-Block Ford 351W in Satin Finish

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$308.99
Maximum cooling for street and racing engines. Internal passages are balanced for maximum flow. Impeller is larger than others for maximum pressure. Impeller vanes dramatically increase flow rates. Equal distribution to both sides of block. Only flows in one direction for optimum efficiency. In the early days of the automotive performance industry, you either ran what was available, or you fabricated something you thought met your needs. Such needs were the building blocks of this industry, and it was through the efforts of many that we have the automotive aftermarket, but it was through the work of one name in particular to which many in the industry owe a great debt, and that name is Edelbrock.

Product Features:
  • Maximum Cooling for Street and Racing Engines
  • Internal Passages Are Balanced for Maximum Flow
  • Impeller is Larger than Others For Max Pressure
  • Impeller Vanes Dramatically Increase Flow Rates
  • Equal Distribution to Both Sides of Block
  • Only Flows in One-Direction for Optimum Efficiency
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KAI – Radiator Support Tie Bar (Part No.FO1225178)

Radiator Support Tie Bar

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$59.99
New Standard Replacement Radiator Support Lower Tie Bar

Product Features:
  • Made Of Steel
  • Meets All Federal Motor Safety Standards
  • No Drilling Needed For Installation
  • No Modifications Needed For Installation
  • Direct Fit Replacement For Your Vehicle
  • Same Form Fit And Function As OE
  • Check Out The Large Selection Of Parts Available For Your Vehicle
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Dorman – Panel Trim Retainer – Interior – Ford (Part No.45650)

Panel Trim Retainer - Interior - Ford

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$1.79
Constructed of quality materials, this multi-purpose retainer provides the same function and versatility as the original equipment retainer ensuring long service life.

Product Features:
  • Ideal replacement – this retainer matches the fit and function of the original equipment retainer for this vehicle application
  • Quality material – this retainer is made of durable material for long-lasting service
  • Versatile design – this retainer is suitable for a variety of automotive uses
  • Excellent value – this part offers original equipment quality at a competitive cost
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Dorman – Pressurized Coolant Reservoir: Black And White, Plastic, Original Equipment Replacement (Part No.603-050)

Pressurized Coolant Reservoir: Black And White, Plastic, Original Equipment Replacement

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$67.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:
  • Direct replacement – this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution – engineered for a seamless installation
  • Durable construction – manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 60 Degree Neck Angle (Part No.902-1001)

Coolant Housing/Water Outlet: With Housing and Gasket, 60 Degree Neck Angle

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$12.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
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Factory Air – Standard Relay (Part No.35928)

Standard Relay

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$23.29
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Precision engineered
  • OE style molded connectors
  • Quality contacts ensure proper conductivity
  • Vehicle specific applications
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Delphi – Engine Coolant Temperature Sensor (Part No.TS10294)

Engine Coolant Temperature Sensor

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$21.49
Delphi temperature sensors are built with the latest OE technology; Delphi temperature sensors use durable, one-piece design; Delphi temperature sensors are impervious to electrical noise and interference.

Product Features:
  • Delphi temperature sensors deliver accurate readings and optimal performance
  • Delphi’s one-piece design and automated production process eliminates internal connectors and failure points
  • Each sensor is electrically insulated to eliminate interference from other components in the vehicle
  • Delphi temperature sensors are impervious to electrical noise and interference
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Dorman – Help – Drain Cock-Brass-1/4 In. NPT (Part No.61106)

Drain Cock-Brass-1/4 In. NPT

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$5.99
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.

Product Features:
  • Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers original equipment quality at a competitive price
  • Quality assured – this petcock has undergone virtual testing to assure proper fit and function
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Permatex – The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ (Part No.34328)

The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ

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$17.49
Permatex’s The Right Stuff 90 Minute Series offers the fastest return to service in a in just 90 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 90 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 90 minutes
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Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85102)

Coolant Housing/Water Outlet: Gasket Included

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$43.49
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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Autopart International Inc – Radiator (Part No.G1000651161API)

Radiator

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$119.08
Radiator

Carquest Premium – Radiator Cap Tester Adapter (Part No.12029)

Radiator Cap Tester Adapter

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$40.99
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
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Felpro – Multi-Purpose O-Ring (Part No.35489)

Multi-Purpose O-Ring

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$9.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Carquest Premium – Temperature Sender With Gauge (Part No.WTC1094)

Temperature Sender With Gauge

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$5.99
Approved materials for increased durability in even the most extreme temperatures. All MotoRad Coolant Temperature Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • 100% factory resistance calibrated to ensure precision tolerances, resulting in extremely accurate temperature for optimal performance
  • Thread Sealant and/or O-ring pre-installed on applicable sensors to ensure leak free performance
  • Brass sensor housing precision machined to meet or exceed OE thermal conductivity
  • OE precision matched thermistor position for correct output parameters
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Motorcraft – Original Equipment Radiator Cap (Part No.G1010415176MTR)

Original Equipment Radiator Cap

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$10.70
The Motorcraft Original Equipment Radiator Cap is an OES replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • Standard and safety vent radiator pressure caps available
  • Extensive coverage for most cars and trucks, as well as farm and construction equipment
  • Swivel-seal radiator caps are designed to provide increased durability and can be removed without damage to the rubber atmospheric seal
  • Zinc-plated to resist corrosion and rust
  • Pressure valve springs are made of stainless steel to maintain calibrated pressure throughout the service life
  • Rubber pressure valve gasket resists high temperatures and deterioration from coolant and additives
  • Pressure and vacuum relief features help extend radiator and hose life
  • Prevent accidental cap removal with positive low-pressure stop feature
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Carquest Premium – Electronic Automatic Temperature Control Sensor Connector (Part No.PTA3307)

Electronic Automatic Temperature Control Sensor Connector

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$51.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Permatex – Ultra Grey RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

Ultra Grey RTV Silicone Gasket Maker, 13 OZ

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$26.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Imperial – Thermostatic Fan Control – Adjustable (Part No.226208)

Thermostatic Fan Control - Adjustable

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$62.99
Controls the operating temperature of Imperial electric fans. Operates up to 2 fans.

Product Features:
  • Adjustable thermostatic fan control
  • 160°F – 210°F thread-in probe
  • For use with Imperial electric fans
  • Thread-in probe for installation in water jacket or radiator
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Permatex – Ultra Grey RTV Gasket Maker (9.5 oz.) (Part No.85084)

Ultra Grey RTV Gasket Maker (9.5 oz.)

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$32.99
OEM specified. Designed specially for high-torque and high vibration applications, like those common in import engines, this premium RTV gasket maker exceeds manufacturers’ performance requirements. Sensor-safe, low odor, and non-corrosive. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Temperature range -65ºF to 500ºF (-54 Deg. C to 260 Deg. C) intermittent.

Product Features:
  • Designed specially for high-torque and high vibration applications
  • Maximum vibration resistance with outstanding resistance to oils, cooling and shop fluids
  • OEM specified
  • Low-odor, non-corrosive formula
  • Temperature Range: -65 Deg. F to 500 Deg. F (-54 Deg. C to 260 Deg. C)
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Motorad – Thermostat Kit: Includes Housing, Thermostat and Seal, 195 Degrees (Part No.5617KT)

Thermostat Kit: Includes Housing, Thermostat and Seal, 195 Degrees

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$28.99
Kit includes thermostat, housing, and all necessary seals/gaskets to do the complete job. These individual parts are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat and housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Felpro – WATER PUMP GASKET SET (Part No.ES 73048)

WATER PUMP GASKET SET

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$6.79
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Unsurpassed quality you can trust
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Carquest Premium – Standard Thermostat: 180 Degrees (Part No.13358)

Standard Thermostat: 180 Degrees

from

$9.99
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Motorcraft – Thermostat O-Ring (Part No.G4030195862MTR)

Thermostat O-Ring

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$3.89
Thermostat O-Ring

Carquest Premium – Connector (Part No.PTA1198)

Connector

from

$24.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Permatex – Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ (Part No.22074)

Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ

from

$6.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Dorman – Radiator Fan Assembly: Single, With Controller, Cost Effective And Reliable (Part No.621-353)

Radiator Fan Assembly: Single, With Controller, Cost Effective And Reliable

from

$268.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
  • Complete package – assembly is designed with the same materials and components as the original part
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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2003 Mercury Grand Marquis Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Mercury Grand Marquis. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 59 different Engine Cooling Parts in our inventory ranging from $1.41 to $199.99. That means you can find the exact parts or products you need to keep that 2003 Mercury Grand Marquis running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 15 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Mercury Grand Marquis. Permatex, Carquest Premium, and Felpro are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Cooling Parts for your 2003 Mercury Grand Marquis, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 2,046 reviews in this category, some of the top rated parts include Adjustable Thermostatic Fan Control with 4.8 stars and Adjustable Thermostatic Fan Control with 3.4 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Mercury Grand Marquis rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Cooling Parts Brands To Make Your 2003 Mercury Grand Marquis Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Mercury Grand Marquis demands trusted brand parts and products to keep it running. Many trusted brands of Engine Cooling Parts make up Advance Auto Parts’ inventory, and all are ready to help make your Grand Marquis the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Motorad UltraStats Engine Cooling Parts

We carry Motorad UltraStats parts in our stock across Thermostats categories, plus more. For a 2003 Mercury Grand Marquis, our most popular Motorad UltraStats Engine Cooling Parts include:
Thermostat: 180 Degrees
from $18.29
(1)
Thermostat: 180 Degrees
Thermostats

FAQs for 2003 Mercury Grand Marquis Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Mercury Grand Marquis?

Out of 59 Engine Cooling Parts for the 2003 Mercury Grand Marquis, the most popular in our inventory are:
Multi-Purpose O-Ring
from $9.99
(110)
Multi-Purpose O-Ring
Engine Coolant Thermostat O-Rings
High Flow Thermostat: 170 Degrees
from $14.29
(16)
High Flow Thermostat: 170 Degrees
Thermostats
Thermostat: 195 Degrees
from $18.29
This product is not rated
Thermostat: 195 Degrees
Thermostats

What are the top-rated 2003 Mercury Grand Marquis Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Mercury Grand Marquis based on customer reviews/ratings are:
Adjustable Thermostatic Fan Control
from $22.99
(35)
Adjustable Thermostatic Fan Control
“good price, but does not come with knob to set temp”
Adjustable Thermostatic Fan Control
from $55.99
(33)
Adjustable Thermostatic Fan Control
“If you read the instructions it’s pretty self explanatory.”
Engine Water Pump: New, Gasket/Seals Included
from $67.99
(26)
Engine Water Pump: New, Gasket/Seals Included
“Perfect fit also came with a new gasket.”